Product Information

LTC2497CUHF#PBF

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Datasheet
Analog to Digital Converters - ADC 16 Bit, 16 Channel I2C Easy Drive Delta Sigma ADC
Manufacturer: Analog Devices



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MOQ : 1
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LTC2497CUHF#PBF
Analog Devices

1 : $ 13.8079
10 : $ 9.0789
25 : $ 8.6526
100 : $ 7.5
250 : $ 7.1684
500 : $ 6.5211
1000 : $ 5.9526
2500 : $ 5.7632
5000 : $ 5.5579

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Manufacturer
Analog Devices
Product Category
Analog to Digital Converters - ADC
RoHS - XON
Y Icon ROHS
Number of Channels
16 Channel
Architecture
Sigma-Delta
Resolution
16 Bit
Input Type
Differential/Single-Ended
Interface Type
I2c
Maximum Operating Temperature
+70 C
Mounting Style
Smd/Smt
Package / Case
QFN-38
Packaging
Tube
Product
Analog To Digital Converters
Sampling Rate
0.0068 Ks/S
Series
Ltc2497
Type
Precision
Brand
Analog Devices
Reference Type
External
Shutdown
No Shutdown
Analog Supply Voltage
2.7 v to 5.5 V
Development Kit
-
Digital Supply Voltage
2.7 v to 5.5 V
Dnl - Differential Nonlinearity
1 Lsb
Gain Error
1 Lsb
Inl - Integral Nonlinearity
0.5 Lsb
Minimum Operating Temperature
0 C
Pd - Power Dissipation
0.48 mW
Product Type
Adcs - Analog To Digital Converters
Factory Pack Quantity :
52
Subcategory
Data Converter Ics
Cnhts
8542390000
Hts Code
8542390001
Mxhts
85423901
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LTC2497 16-Bit 8-/16-Channel DS ADC with Easy Drive Input Current 2 Cancellation and I C Interface Fea T Descrip T ? n Up to Eight Differential or 16 Single-Ended Inputs The LTC 2497 is a 16-channel (eight differential), 16-bit, TM TM n Easy Drive Technology Enables Rail-to-Rail No Latency DS ADC with Easy Drive technology and 2 Inputs with Zero Differential Input Current a 2-wire, I C interface. The patented sampling scheme n Directly Digitizes High Impedance Sensors with eliminates dynamic input current errors and the shortcom- Full Accuracy ings of on-chip buffering through automatic cancellation of 2 n 2-Wire I C Interface with 27 Addresses Plus One differential input current. This allows large external source Global Address for Synchronization impedances and rail-to-rail input signals to be directly n 600nV RMS Noise (0.02LSB Transition Noise) digitized while maintaining exceptional DC accuracy. n GND to V Input/Reference Common Mode Range CC The LTC2497 includes an integrated oscillator. This device n Simultaneous 50Hz/60Hz Rejection can be configured to measure an external signal from com- n 2ppm INL, No Missing Codes binations of 16 analog input channels operating in single- n 1ppm Offset and 15ppm Full-Scale Error ended or differential modes. It automatically rejects line n No Latency: Digital Filter Settles in a Single Cycle, frequencies of 50Hz and 60Hz simultaneously. Even After a New Channel Is Selected n The LTC2497 allows a wide, common mode input range Single Supply, 2.7V to 5.5V Operation (0.8mW) n (0V to V ), independent of the reference voltage. Any Internal Oscillator CC n combination of single-ended or differential inputs can be Tiny 5mm ? 7mm QFN Package selected and the first conversion, after a new channel is selected, is valid. Access to the multiplexer output enables a T optional external amplifiers to be shared between all n Direct Sensor Digitizer analog inputs and auto calibration continuously removes n Direct Temperature Measurement their associated offset and drift. n Instrumentation L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and No Latency ?? and Easy Drive are trademarks of Linear Technology Corporation. All other n Industrial Process Control trademarks are the property of their respective owners. Typical a T + ? Easy Drive Data Acquisition System +FS Error vs R at IN and IN SOURCE 80 2.7V TO 5.5V V = 5V CC V = 5V REF 60 + V = 3.75V IN CH0 MUXOUT/ V 10?F 0.1?F CC ? V = 1.25V IN ADCIN CH1 40 f = GND O ? T = 25?C A ? 20 + ? REF 1.7k + C = 1mF CH7 IN IN 16-CHANNEL 0 CH8 SDA 16-BIT ?? ADC 2-WIRE MUX 2 ? WITH EASY DRIVE I C INTERFACE SCL ? ?20 ? ? IN CH15 ? REF ?40 COM ?60 f O MUXOUT/ OSC ADCIN ?80 2497 TA01 1 10 100 1k 10k 100k R (?) SOURCE 2497 TA01b 2497fb For more information www.linear.com/LTC2497 1 +FS ERROR (ppm) ion pplica ions pplica ion uresLTC2497 16-Bit 8-/16-Channel DS ADC with Easy Drive Input Current 2 Cancellation and I C Interface Fea T Descrip T ? n Up to Eight Differential or 16 Single-Ended Inputs The LTC 2497 is a 16-channel (eight differential), 16-bit, TM TM n Easy Drive Technology Enables Rail-to-Rail No Latency DS ADC with Easy Drive technology and 2 Inputs with Zero Differential Input Current a 2-wire, I C interface. The patented sampling scheme n Directly Digitizes High Impedance Sensors with eliminates dynamic input current errors and the shortcom- Full Accuracy ings of on-chip buffering through automatic cancellation of 2 n 2-Wire I C Interface with 27 Addresses Plus One differential input current. This allows large external source Global Address for Synchronization impedances and rail-to-rail input signals to be directly n 600nV RMS Noise (0.02LSB Transition Noise) digitized while maintaining exceptional DC accuracy. n GND to V Input/Reference Common Mode Range CC The LTC2497 includes an integrated oscillator. This device n Simultaneous 50Hz/60Hz Rejection can be configured to measure an external signal from com- n 2ppm INL, No Missing Codes binations of 16 analog input channels operating in single- n 1ppm Offset and 15ppm Full-Scale Error ended or differential modes. It automatically rejects line n No Latency: Digital Filter Settles in a Single Cycle, frequencies of 50Hz and 60Hz simultaneously. Even After a New Channel Is Selected n The LTC2497 allows a wide, common mode input range Single Supply, 2.7V to 5.5V Operation (0.8mW) n (0V to V ), independent of the reference voltage. Any Internal Oscillator CC n combination of single-ended or differential inputs can be Tiny 5mm ? 7mm QFN Package selected and the first conversion, after a new channel is selected, is valid. Access to the multiplexer output enables a T optional external amplifiers to be shared between all n Direct Sensor Digitizer analog inputs and auto calibration continuously removes n Direct Temperature Measurement their associated offset and drift. n Instrumentation L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and No Latency ?? and Easy Drive are trademarks of Linear Technology Corporation. All other n Industrial Process Control trademarks are the property of their respective owners. Typical a T + ? Easy Drive Data Acquisition System +FS Error vs R at IN and IN SOURCE 80 2.7V TO 5.5V V = 5V CC V = 5V REF 60 + V = 3.75V IN CH0 MUXOUT/ V 10?F 0.1?F CC ? V = 1.25V IN ADCIN CH1 40 f = GND O ? T = 25?C A ? 20 + ? REF 1.7k + C = 1mF CH7 IN IN 16-CHANNEL 0 CH8 SDA 16-BIT ?? ADC 2-WIRE MUX 2 ? WITH EASY DRIVE I C INTERFACE SCL ? ?20 ? ? IN CH15 ? REF ?40 COM ?60 f O MUXOUT/ OSC ADCIN ?80 2497 TA01 1 10 100 1k 10k 100k R (O) SOURCE 2497 TA01b 2497fb For more information www.linear.com/LTC2497 1 +FS ERROR (ppm) ion pplica ions pplica ion uresLTC2497 a Te Maxi Mu M r a T p in c F T (Notes 1, 2) TOP VIEW Supply Voltage (V ) ................................... ?0.3V to 6V CC Analog Input Voltage 38 37 36 35 34 33 32 (CH0-CH15, COM) .....................?0.3V to (V + 0.3V) CC GND 1 31 GND + ? REF , REF ................................?0.3V to (V + 0.3V) ? CC SCL 2 30 REF + ADCINN, ADCINP, SDA 3 29 REF MUXOUTP MUXOUTN ..............?0.3V to (V + 0.3V) GND 4 28 V CC CC NC 5 27 MUXOUTN Digital Input Voltage......................?0.3V to (V + 0.3V) CC GND 6 26 ADCINN Digital Output Voltage ...................?0.3V to (V + 0.3V) CC 39 COM 7 25 ADCINP Operating Temperature Range CH0 8 24 MUXOUTP LTC2497C .................................................0?C to 70?C CH1 9 23 CH15 LTC2497I ............................................. ?40?C to 85?C CH2 10 22 CH14 Storage Temperature Range ...................?65?C to 150?C CH3 11 21 CH13 CH4 12 20 CH12 13 14 15 16 17 18 19 UHF PACKAGE 38-LEAD (5mm ? 7mm) PLASTIC QFN T = 125?C, ? = 34?C/W JMAX JA EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB o r Der i n F Ma T LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC2497CUHF#PBF LTC2497CUHF#TRPBF 2497 0?C to 70?C 38-Lead (5mm ? 7mm) Plastic QFN LTC2497IUHF#PBF LTC2497IUHF#TRPBF 2497 38-Lead (5mm ? 7mm) Plastic QFN ?40?C to 85?C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ 2497fb 2 For more information www.linear.com/LTC2497 CH5 CA2 CH6 CA1 CH7 CA0 CH8 f O GND CH9 CH10 GND CH11 GND ion or ion igura on ings bsoluLTC2497 16-Bit 8-/16-Channel DS ADC with Easy Drive Input Current 2 Cancellation and I C Interface Fea T Descrip T ? n Up to Eight Differential or 16 Single-Ended Inputs The LTC 2497 is a 16-channel (eight differential), 16-bit, TM TM n Easy Drive Technology Enables Rail-to-Rail No Latency DS ADC with Easy Drive technology and 2 Inputs with Zero Differential Input Current a 2-wire, I C interface. The patented sampling scheme n Directly Digitizes High Impedance Sensors with eliminates dynamic input current errors and the shortcom- Full Accuracy ings of on-chip buffering through automatic cancellation of 2 n 2-Wire I C Interface with 27 Addresses Plus One differential input current. This allows large external source Global Address for Synchronization impedances and rail-to-rail input signals to be directly n 600nV RMS Noise (0.02LSB Transition Noise) digitized while maintaining exceptional DC accuracy. n GND to V Input/Reference Common Mode Range CC The LTC2497 includes an integrated oscillator. This device n Simultaneous 50Hz/60Hz Rejection can be configured to measure an external signal from com- n 2ppm INL, No Missing Codes binations of 16 analog input channels operating in single- n 1ppm Offset and 15ppm Full-Scale Error ended or differential modes. It automatically rejects line n No Latency: Digital Filter Settles in a Single Cycle, frequencies of 50Hz and 60Hz simultaneously. Even After a New Channel Is Selected n The LTC2497 allows a wide, common mode input range Single Supply, 2.7V to 5.5V Operation (0.8mW) n (0V to V ), independent of the reference voltage. Any Internal Oscillator CC n combination of single-ended or differential inputs can be Tiny 5mm ? 7mm QFN Package selected and the first conversion, after a new channel is selected, is valid. Access to the multiplexer output enables a T optional external amplifiers to be shared between all n Direct Sensor Digitizer analog inputs and auto calibration continuously removes n Direct Temperature Measurement their associated offset and drift. n Instrumentation L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and No Latency ?? and Easy Drive are trademarks of Linear Technology Corporation. All other n Industrial Process Control trademarks are the property of their respective owners. Typical a T + ? Easy Drive Data Acquisition System +FS Error vs R at IN and IN SOURCE 80 2.7V TO 5.5V V = 5V CC V = 5V REF 60 + V = 3.75V IN CH0 MUXOUT/ V 10?F 0.1?F CC ? V = 1.25V IN ADCIN CH1 40 f = GND O ? T = 25?C A ? 20 + ? REF 1.7k + C = 1mF CH7 IN IN 16-CHANNEL 0 CH8 SDA 16-BIT ?? ADC 2-WIRE MUX 2 ? WITH EASY DRIVE I C INTERFACE SCL ? ?20 ? ? IN CH15 ? REF ?40 COM ?60 f O MUXOUT/ OSC ADCIN ?80 2497 TA01 1 10 100 1k 10k 100k R (O) SOURCE 2497 TA01b 2497fb For more information www.linear.com/LTC2497 1 +FS ERROR (ppm) ion pplica ions pplica ion uresLTC2497 16-Bit 8-/16-Channel DS ADC with Easy Drive Input Current 2 Cancellation and I C Interface Fea T Descrip T ? n Up to Eight Differential or 16 Single-Ended Inputs The LTC 2497 is a 16-channel (eight differential), 16-bit, TM TM n Easy Drive Technology Enables Rail-to-Rail No Latency DS ADC with Easy Drive technology and 2 Inputs with Zero Differential Input Current a 2-wire, I C interface. The patented sampling scheme n Directly Digitizes High Impedance Sensors with eliminates dynamic input current errors and the shortcom- Full Accuracy ings of on-chip buffering through automatic cancellation of 2 n 2-Wire I C Interface with 27 Addresses Plus One differential input current. This allows large external source Global Address for Synchronization impedances and rail-to-rail input signals to be directly n 600nV RMS Noise (0.02LSB Transition Noise) digitized while maintaining exceptional DC accuracy. n GND to V Input/Reference Common Mode Range CC The LTC2497 includes an integrated oscillator. This device n Simultaneous 50Hz/60Hz Rejection can be configured to measure an external signal from com- n 2ppm INL, No Missing Codes binations of 16 analog input channels operating in single- n 1ppm Offset and 15ppm Full-Scale Error ended or differential modes. It automatically rejects line n No Latency: Digital Filter Settles in a Single Cycle, frequencies of 50Hz and 60Hz simultaneously. Even After a New Channel Is Selected n The LTC2497 allows a wide, common mode input range Single Supply, 2.7V to 5.5V Operation (0.8mW) n (0V to V ), independent of the reference voltage. Any Internal Oscillator CC n combination of single-ended or differential inputs can be Tiny 5mm ? 7mm QFN Package selected and the first conversion, after a new channel is selected, is valid. Access to the multiplexer output enables a T optional external amplifiers to be shared between all n Direct Sensor Digitizer analog inputs and auto calibration continuously removes n Direct Temperature Measurement their associated offset and drift. n Instrumentation L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and No Latency ?? and Easy Drive are trademarks of Linear Technology Corporation. All other n Industrial Process Control trademarks are the property of their respective owners. Typical a T + ? Easy Drive Data Acquisition System +FS Error vs R at IN and IN SOURCE 80 2.7V TO 5.5V V = 5V CC V = 5V REF 60 + V = 3.75V IN CH0 MUXOUT/ V 10?F 0.1?F CC ? V = 1.25V IN ADCIN CH1 40 f = GND O ? T = 25?C A ? 20 + ? REF 1.7k + C = 1mF CH7 IN IN 16-CHANNEL 0 CH8 SDA 16-BIT ?? ADC 2-WIRE MUX 2 ? WITH EASY DRIVE I C INTERFACE SCL ? ?20 ? ? IN CH15 ? REF ?40 COM ?60 f O MUXOUT/ OSC ADCIN ?80 2497 TA01 1 10 100 1k 10k 100k R (O) SOURCE 2497 TA01b 2497fb For more information www.linear.com/LTC2497 1 +FS ERROR (ppm) ion pplica ions pplica ion uresLTC2497 a Te Maxi Mu M r a T p in c F T (Notes 1, 2) TOP VIEW Supply Voltage (V ) ................................... ?0.3V to 6V CC Analog Input Voltage 38 37 36 35 34 33 32 (CH0-CH15, COM) .....................?0.3V to (V + 0.3V) CC GND 1 31 GND + ? REF , REF ................................?0.3V to (V + 0.3V) ? CC SCL 2 30 REF + ADCINN, ADCINP, SDA 3 29 REF MUXOUTP MUXOUTN ..............?0.3V to (V + 0.3V) GND 4 28 V CC CC NC 5 27 MUXOUTN Digital Input Voltage......................?0.3V to (V + 0.3V) CC GND 6 26 ADCINN Digital Output Voltage ...................?0.3V to (V + 0.3V) CC 39 COM 7 25 ADCINP Operating Temperature Range CH0 8 24 MUXOUTP LTC2497C .................................................0?C to 70?C CH1 9 23 CH15 LTC2497I ............................................. ?40?C to 85?C CH2 10 22 CH14 Storage Temperature Range ...................?65?C to 150?C CH3 11 21 CH13 CH4 12 20 CH12 13 14 15 16 17 18 19 UHF PACKAGE 38-LEAD (5mm ? 7mm) PLASTIC QFN T = 125?C, ? = 34?C/W JMAX JA EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB o r Der i n F Ma T LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC2497CUHF#PBF LTC2497CUHF#TRPBF 2497 0?C to 70?C 38-Lead (5mm ? 7mm) Plastic QFN LTC2497IUHF#PBF LTC2497IUHF#TRPBF 2497 38-Lead (5mm ? 7mm) Plastic QFN ?40?C to 85?C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ 2497fb 2 For more information www.linear.com/LTC2497 CH5 CA2 CH6 CA1 CH7 CA0 CH8 f O GND CH9 CH10 GND CH11 GND ion or ion igura on ings bsoluLTC2497 e Trical c T T The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T = 25?C. (Notes 3, 4) A PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No Missing Codes) 0.1V ? V ? V , ?FS ? V ? +FS (Note 5) 16 Bits REF CC IN Integral Nonlinearity 5V ? V ? 5.5V, V = 5V, V = 2.5V (Note 6) l 2 20 ppm of V CC REF IN(CM) REF 2.7V ? V ? 5.5V, V = 2.5V, V = 1.25V (Note 6) 1 ppm of V CC REF IN(CM) REF + ? l Offset Error 2.5V ? V ? V , GND ? IN = IN ? V (Note 13) 0.5 2.5 ?V REF CC CC + ? Offset Error Drift 2.5V ? V ? V , GND ? IN = IN ? V 10 nV/?C REF CC CC + ? l Positive Full-Scale Error 2.5V ? V ? V , IN = 0.75V , IN = 0.25V 32 ppm of V REF CC REF REF REF + ? Positive Full-Scale Error Drift 2.5V ? V ? V , IN = 0.75V , IN = 0.25V 0.1 ppm of V /?C REF CC REF REF REF + ? l Negative Full-Scale Error 2.5V ? V ? V , IN = 0.25V , IN = 0.75V 32 ppm of V REF CC REF REF REF + ? Negative Full-Scale Error Drift 2.5V ? V ? V , IN = 0.25V , IN = 0.75V 0.1 ppm of V /?C REF CC REF REF REF Total Unadjusted Error 5V ? V ? 5.5V, V = 2.5V, V = 1.25V 15 ppm of V CC REF IN(CM) REF 5V ? V ? 5.5V, V = 5V, V = 2.5V 15 ppm of V CC REF IN(CM) REF 2.7V ? V ? 5.5V, V = 2.5V, V = 1.25V 15 ppm of V CC REF IN(CM) REF Output Noise 2.7V < V < 5.5V, 2.5V ? V ? V , 0.6 ?V CC REF CC RMS + ? GND ? IN = IN ? V (Note 12) CC c Ter c T TThe l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T = 25?C. (Note 3) A PARAMETER CONDITIONS MIN TYP MAX UNITS + ? Input Common Mode Rejection DC 2.5V ? V ? V , GND ? IN = IN ? V (Note 5) l 140 dB REF CC CC + ? Input Normal Mode Rejection 50Hz/60Hz ?2% 2.5V ? V ? V , GND ? IN = IN ? V (Notes 5, 9) l 87 dB REF CC CC + ? l Reference Common Mode Rejection DC 2.5V ? V ? V , GND ? IN = IN ? V (Note 5) 120 140 dB REF CC CC + ? Power Supply Rejection DC V = 2.5V, IN = IN = GND 120 dB REF + ? Power Supply Rejection, 50Hz ?2% V = 2.5V, IN = IN = GND (Notes 7, 9) 120 dB REF + ? Power Supply Rejection, 60Hz ?2% V = 2.5V, IN = IN = GND (Notes 8, 9) 120 dB REF a nalog i T an D r e FThe l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T = 25?C. (Note 3) A SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS + + IN Absolute/Common Mode IN Voltage GND ? 0.3V V + 0.3V V CC + (IN Corresponds to the Selected Positive Input Channel) ? ? IN Absolute/Common Mode IN Voltage GND ? 0.3V V + 0.3V V CC ? (IN Corresponds to the Selected Negative Input Channel or COM) + ? l V Input Voltage Range (IN ? IN ) Differential/Single-Ended ?FS +FS V IN + ? l FS Full Scale of the Input (IN ? IN ) Differential/Single-Ended 0.5V V REF 16 l LSB Least Significant Bit of the Output Code FS/2 + + l REF Absolute/Common Mode REF Voltage 0.1 V V CC ? ? + l REF Absolute/Common Mode REF Voltage GND REF ? 0.1V V + ? V Reference Voltage Range (REF ? REF ) l 0.1 V V REF CC + + CS(IN ) IN Sampling Capacitance 11 pF ? ? CS(IN ) IN Sampling Capacitance 11 pF CS(V ) V Sampling Capacitance 11 pF REF REF + + + I IN DC Leakage Current Sleep Mode, IN = GND l ?10 1 10 nA DC_LEAK(IN ) 2497fb For more information www.linear.com/LTC2497 3 erence npu ics eris harac onver ics eris harac lecLTC2497 16-Bit 8-/16-Channel DS ADC with Easy Drive Input Current 2 Cancellation and I C Interface Fea T Descrip T ? n Up to Eight Differential or 16 Single-Ended Inputs The LTC 2497 is a 16-channel (eight differential), 16-bit, TM TM n Easy Drive Technology Enables Rail-to-Rail No Latency DS ADC with Easy Drive technology and 2 Inputs with Zero Differential Input Current a 2-wire, I C interface. The patented sampling scheme n Directly Digitizes High Impedance Sensors with eliminates dynamic input current errors and the shortcom- Full Accuracy ings of on-chip buffering through automatic cancellation of 2 n 2-Wire I C Interface with 27 Addresses Plus One differential input current. This allows large external source Global Address for Synchronization impedances and rail-to-rail input signals to be directly n 600nV RMS Noise (0.02LSB Transition Noise) digitized while maintaining exceptional DC accuracy. n GND to V Input/Reference Common Mode Range CC The LTC2497 includes an integrated oscillator. This device n Simultaneous 50Hz/60Hz Rejection can be configured to measure an external signal from com- n 2ppm INL, No Missing Codes binations of 16 analog input channels operating in single- n 1ppm Offset and 15ppm Full-Scale Error ended or differential modes. It automatically rejects line n No Latency: Digital Filter Settles in a Single Cycle, frequencies of 50Hz and 60Hz simultaneously. Even After a New Channel Is Selected n The LTC2497 allows a wide, common mode input range Single Supply, 2.7V to 5.5V Operation (0.8mW) n (0V to V ), independent of the reference voltage. Any Internal Oscillator CC n combination of single-ended or differential inputs can be Tiny 5mm ? 7mm QFN Package selected and the first conversion, after a new channel is selected, is valid. Access to the multiplexer output enables a T optional external amplifiers to be shared between all n Direct Sensor Digitizer analog inputs and auto calibration continuously removes n Direct Temperature Measurement their associated offset and drift. n Instrumentation L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and No Latency ?? and Easy Drive are trademarks of Linear Technology Corporation. All other n Industrial Process Control trademarks are the property of their respective owners. Typical a T + ? Easy Drive Data Acquisition System +FS Error vs R at IN and IN SOURCE 80 2.7V TO 5.5V V = 5V CC V = 5V REF 60 + V = 3.75V IN CH0 MUXOUT/ V 10?F 0.1?F CC ? V = 1.25V IN ADCIN CH1 40 f = GND O ? T = 25?C A ? 20 + ? REF 1.7k + C = 1mF CH7 IN IN 16-CHANNEL 0 CH8 SDA 16-BIT ?? ADC 2-WIRE MUX 2 ? WITH EASY DRIVE I C INTERFACE SCL ? ?20 ? ? IN CH15 ? REF ?40 COM ?60 f O MUXOUT/ OSC ADCIN ?80 2497 TA01 1 10 100 1k 10k 100k R (O) SOURCE 2497 TA01b 2497fb For more information www.linear.com/LTC2497 1 +FS ERROR (ppm) ion pplica ions pplica ion uresLTC2497 16-Bit 8-/16-Channel DS ADC with Easy Drive Input Current 2 Cancellation and I C Interface Fea T Descrip T ? n Up to Eight Differential or 16 Single-Ended Inputs The LTC 2497 is a 16-channel (eight differential), 16-bit, TM TM n Easy Drive Technology Enables Rail-to-Rail No Latency DS ADC with Easy Drive technology and 2 Inputs with Zero Differential Input Current a 2-wire, I C interface. The patented sampling scheme n Directly Digitizes High Impedance Sensors with eliminates dynamic input current errors and the shortcom- Full Accuracy ings of on-chip buffering through automatic cancellation of 2 n 2-Wire I C Interface with 27 Addresses Plus One differential input current. This allows large external source Global Address for Synchronization impedances and rail-to-rail input signals to be directly n 600nV RMS Noise (0.02LSB Transition Noise) digitized while maintaining exceptional DC accuracy. n GND to V Input/Reference Common Mode Range CC The LTC2497 includes an integrated oscillator. This device n Simultaneous 50Hz/60Hz Rejection can be configured to measure an external signal from com- n 2ppm INL, No Missing Codes binations of 16 analog input channels operating in single- n 1ppm Offset and 15ppm Full-Scale Error ended or differential modes. It automatically rejects line n No Latency: Digital Filter Settles in a Single Cycle, frequencies of 50Hz and 60Hz simultaneously. Even After a New Channel Is Selected n The LTC2497 allows a wide, common mode input range Single Supply, 2.7V to 5.5V Operation (0.8mW) n (0V to V ), independent of the reference voltage. Any Internal Oscillator CC n combination of single-ended or differential inputs can be Tiny 5mm ? 7mm QFN Package selected and the first conversion, after a new channel is selected, is valid. Access to the multiplexer output enables a T optional external amplifiers to be shared between all n Direct Sensor Digitizer analog inputs and auto calibration continuously removes n Direct Temperature Measurement their associated offset and drift. n Instrumentation L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and No Latency ?? and Easy Drive are trademarks of Linear Technology Corporation. All other n Industrial Process Control trademarks are the property of their respective owners. Typical a T + ? Easy Drive Data Acquisition System +FS Error vs R at IN and IN SOURCE 80 2.7V TO 5.5V V = 5V CC V = 5V REF 60 + V = 3.75V IN CH0 MUXOUT/ V 10?F 0.1?F CC ? V = 1.25V IN ADCIN CH1 40 f = GND O ? T = 25?C A ? 20 + ? REF 1.7k + C = 1mF CH7 IN IN 16-CHANNEL 0 CH8 SDA 16-BIT ?? ADC 2-WIRE MUX 2 ? WITH EASY DRIVE I C INTERFACE SCL ? ?20 ? ? IN CH15 ? REF ?40 COM ?60 f O MUXOUT/ OSC ADCIN ?80 2497 TA01 1 10 100 1k 10k 100k R (O) SOURCE 2497 TA01b 2497fb For more information www.linear.com/LTC2497 1 +FS ERROR (ppm) ion pplica ions pplica ion uresLTC2497 a Te Maxi Mu M r a T p in c F T (Notes 1, 2) TOP VIEW Supply Voltage (V ) ................................... ?0.3V to 6V CC Analog Input Voltage 38 37 36 35 34 33 32 (CH0-CH15, COM) .....................?0.3V to (V + 0.3V) CC GND 1 31 GND + ? REF , REF ................................?0.3V to (V + 0.3V) ? CC SCL 2 30 REF + ADCINN, ADCINP, SDA 3 29 REF MUXOUTP MUXOUTN ..............?0.3V to (V + 0.3V) GND 4 28 V CC CC NC 5 27 MUXOUTN Digital Input Voltage......................?0.3V to (V + 0.3V) CC GND 6 26 ADCINN Digital Output Voltage ...................?0.3V to (V + 0.3V) CC 39 COM 7 25 ADCINP Operating Temperature Range CH0 8 24 MUXOUTP LTC2497C .................................................0?C to 70?C CH1 9 23 CH15 LTC2497I ............................................. ?40?C to 85?C CH2 10 22 CH14 Storage Temperature Range ...................?65?C to 150?C CH3 11 21 CH13 CH4 12 20 CH12 13 14 15 16 17 18 19 UHF PACKAGE 38-LEAD (5mm ? 7mm) PLASTIC QFN T = 125?C, ? = 34?C/W JMAX JA EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB o r Der i n F Ma T LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC2497CUHF#PBF LTC2497CUHF#TRPBF 2497 0?C to 70?C 38-Lead (5mm ? 7mm) Plastic QFN LTC2497IUHF#PBF LTC2497IUHF#TRPBF 2497 38-Lead (5mm ? 7mm) Plastic QFN ?40?C to 85?C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ 2497fb 2 For more information www.linear.com/LTC2497 CH5 CA2 CH6 CA1 CH7 CA0 CH8 f O GND CH9 CH10 GND CH11 GND ion or ion igura on ings bsoluLTC2497 16-Bit 8-/16-Channel DS ADC with Easy Drive Input Current 2 Cancellation and I C Interface Fea T Descrip T ? n Up to Eight Differential or 16 Single-Ended Inputs The LTC 2497 is a 16-channel (eight differential), 16-bit, TM TM n Easy Drive Technology Enables Rail-to-Rail No Latency DS ADC with Easy Drive technology and 2 Inputs with Zero Differential Input Current a 2-wire, I C interface. The patented sampling scheme n Directly Digitizes High Impedance Sensors with eliminates dynamic input current errors and the shortcom- Full Accuracy ings of on-chip buffering through automatic cancellation of 2 n 2-Wire I C Interface with 27 Addresses Plus One differential input current. This allows large external source Global Address for Synchronization impedances and rail-to-rail input signals to be directly n 600nV RMS Noise (0.02LSB Transition Noise) digitized while maintaining exceptional DC accuracy. n GND to V Input/Reference Common Mode Range CC The LTC2497 includes an integrated oscillator. This device n Simultaneous 50Hz/60Hz Rejection can be configured to measure an external signal from com- n 2ppm INL, No Missing Codes binations of 16 analog input channels operating in single- n 1ppm Offset and 15ppm Full-Scale Error ended or differential modes. It automatically rejects line n No Latency: Digital Filter Settles in a Single Cycle, frequencies of 50Hz and 60Hz simultaneously. Even After a New Channel Is Selected n The LTC2497 allows a wide, common mode input range Single Supply, 2.7V to 5.5V Operation (0.8mW) n (0V to V ), independent of the reference voltage. Any Internal Oscillator CC n combination of single-ended or differential inputs can be Tiny 5mm ? 7mm QFN Package selected and the first conversion, after a new channel is selected, is valid. Access to the multiplexer output enables a T optional external amplifiers to be shared between all n Direct Sensor Digitizer analog inputs and auto calibration continuously removes n Direct Temperature Measurement their associated offset and drift. n Instrumentation L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and No Latency ?? and Easy Drive are trademarks of Linear Technology Corporation. All other n Industrial Process Control trademarks are the property of their respective owners. Typical a T + ? Easy Drive Data Acquisition System +FS Error vs R at IN and IN SOURCE 80 2.7V TO 5.5V V = 5V CC V = 5V REF 60 + V = 3.75V IN CH0 MUXOUT/ V 10?F 0.1?F CC ? V = 1.25V IN ADCIN CH1 40 f = GND O ? T = 25?C A ? 20 + ? REF 1.7k + C = 1mF CH7 IN IN 16-CHANNEL 0 CH8 SDA 16-BIT ?? ADC 2-WIRE MUX 2 ? WITH EASY DRIVE I C INTERFACE SCL ? ?20 ? ? IN CH15 ? REF ?40 COM ?60 f O MUXOUT/ OSC ADCIN ?80 2497 TA01 1 10 100 1k 10k 100k R (O) SOURCE 2497 TA01b 2497fb For more information www.linear.com/LTC2497 1 +FS ERROR (ppm) ion pplica ions pplica ion uresLTC2497 16-Bit 8-/16-Channel DS ADC with Easy Drive Input Current 2 Cancellation and I C Interface Fea T Descrip T ? n Up to Eight Differential or 16 Single-Ended Inputs The LTC 2497 is a 16-channel (eight differential), 16-bit, TM TM n Easy Drive Technology Enables Rail-to-Rail No Latency DS ADC with Easy Drive technology and 2 Inputs with Zero Differential Input Current a 2-wire, I C interface. The patented sampling scheme n Directly Digitizes High Impedance Sensors with eliminates dynamic input current errors and the shortcom- Full Accuracy ings of on-chip buffering through automatic cancellation of 2 n 2-Wire I C Interface with 27 Addresses Plus One differential input current. This allows large external source Global Address for Synchronization impedances and rail-to-rail input signals to be directly n 600nV RMS Noise (0.02LSB Transition Noise) digitized while maintaining exceptional DC accuracy. n GND to V Input/Reference Common Mode Range CC The LTC2497 includes an integrated oscillator. This device n Simultaneous 50Hz/60Hz Rejection can be configured to measure an external signal from com- n 2ppm INL, No Missing Codes binations of 16 analog input channels operating in single- n 1ppm Offset and 15ppm Full-Scale Error ended or differential modes. It automatically rejects line n No Latency: Digital Filter Settles in a Single Cycle, frequencies of 50Hz and 60Hz simultaneously. Even After a New Channel Is Selected n The LTC2497 allows a wide, common mode input range Single Supply, 2.7V to 5.5V Operation (0.8mW) n (0V to V ), independent of the reference voltage. Any Internal Oscillator CC n combination of single-ended or differential inputs can be Tiny 5mm ? 7mm QFN Package selected and the first conversion, after a new channel is selected, is valid. Access to the multiplexer output enables a T optional external amplifiers to be shared between all n Direct Sensor Digitizer analog inputs and auto calibration continuously removes n Direct Temperature Measurement their associated offset and drift. n Instrumentation L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and No Latency ?? and Easy Drive are trademarks of Linear Technology Corporation. All other n Industrial Process Control trademarks are the property of their respective owners. Typical a T + ? Easy Drive Data Acquisition System +FS Error vs R at IN and IN SOURCE 80 2.7V TO 5.5V V = 5V CC V = 5V REF 60 + V = 3.75V IN CH0 MUXOUT/ V 10?F 0.1?F CC ? V = 1.25V IN ADCIN CH1 40 f = GND O ? T = 25?C A ? 20 + ? REF 1.7k + C = 1mF CH7 IN IN 16-CHANNEL 0 CH8 SDA 16-BIT ?? ADC 2-WIRE MUX 2 ? WITH EASY DRIVE I C INTERFACE SCL ? ?20 ? ? IN CH15 ? REF ?40 COM ?60 f O MUXOUT/ OSC ADCIN ?80 2497 TA01 1 10 100 1k 10k 100k R (O) SOURCE 2497 TA01b 2497fb For more information www.linear.com/LTC2497 1 +FS ERROR (ppm) ion pplica ions pplica ion uresLTC2497 a Te Maxi Mu M r a T p in c F T (Notes 1, 2) TOP VIEW Supply Voltage (V ) ................................... ?0.3V to 6V CC Analog Input Voltage 38 37 36 35 34 33 32 (CH0-CH15, COM) .....................?0.3V to (V + 0.3V) CC GND 1 31 GND + ? REF , REF ................................?0.3V to (V + 0.3V) ? CC SCL 2 30 REF + ADCINN, ADCINP, SDA 3 29 REF MUXOUTP MUXOUTN ..............?0.3V to (V + 0.3V) GND 4 28 V CC CC NC 5 27 MUXOUTN Digital Input Voltage......................?0.3V to (V + 0.3V) CC GND 6 26 ADCINN Digital Output Voltage ...................?0.3V to (V + 0.3V) CC 39 COM 7 25 ADCINP Operating Temperature Range CH0 8 24 MUXOUTP LTC2497C .................................................0?C to 70?C CH1 9 23 CH15 LTC2497I ............................................. ?40?C to 85?C CH2 10 22 CH14 Storage Temperature Range ...................?65?C to 150?C CH3 11 21 CH13 CH4 12 20 CH12 13 14 15 16 17 18 19 UHF PACKAGE 38-LEAD (5mm ? 7mm) PLASTIC QFN T = 125?C, ? = 34?C/W JMAX JA EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB o r Der i n F Ma T LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC2497CUHF#PBF LTC2497CUHF#TRPBF 2497 0?C to 70?C 38-Lead (5mm ? 7mm) Plastic QFN LTC2497IUHF#PBF LTC2497IUHF#TRPBF 2497 38-Lead (5mm ? 7mm) Plastic QFN ?40?C to 85?C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ 2497fb 2 For more information www.linear.com/LTC2497 CH5 CA2 CH6 CA1 CH7 CA0 CH8 f O GND CH9 CH10 GND CH11 GND ion or ion igura on ings bsoluLTC2497 e Trical c T T The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T = 25?C. (Notes 3, 4) A PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No Missing Codes) 0.1V = V = V , ?FS = V = +FS (Note 5) 16 Bits REF CC IN Integral Nonlinearity 5V = V = 5.5V, V = 5V, V = 2.5V (Note 6) l 2 20 ppm of V CC REF IN(CM) REF 2.7V = V = 5.5V, V = 2.5V, V = 1.25V (Note 6) 1 ppm of V CC REF IN(CM) REF + ? l Offset Error 2.5V = V = V , GND = IN = IN = V (Note 13) 0.5 2.5 ?V REF CC CC + ? Offset Error Drift 2.5V = V = V , GND = IN = IN = V 10 nV/?C REF CC CC + ? l Positive Full-Scale Error 2.5V = V = V , IN = 0.75V , IN = 0.25V 32 ppm of V REF CC REF REF REF + ? Positive Full-Scale Error Drift 2.5V = V = V , IN = 0.75V , IN = 0.25V 0.1 ppm of V /?C REF CC REF REF REF + ? l Negative Full-Scale Error 2.5V = V = V , IN = 0.25V , IN = 0.75V 32 ppm of V REF CC REF REF REF + ? Negative Full-Scale Error Drift 2.5V = V = V , IN = 0.25V , IN = 0.75V 0.1 ppm of V /?C REF CC REF REF REF Total Unadjusted Error 5V = V = 5.5V, V = 2.5V, V = 1.25V 15 ppm of V CC REF IN(CM) REF 5V = V = 5.5V, V = 5V, V = 2.5V 15 ppm of V CC REF IN(CM) REF 2.7V = V = 5.5V, V = 2.5V, V = 1.25V 15 ppm of V CC REF IN(CM) REF Output Noise 2.7V < V < 5.5V, 2.5V = V = V , 0.6 ?V CC REF CC RMS + ? GND = IN = IN = V (Note 12) CC c Ter c T TThe l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T = 25?C. (Note 3) A PARAMETER CONDITIONS MIN TYP MAX UNITS + ? Input Common Mode Rejection DC 2.5V = V = V , GND = IN = IN = V (Note 5) l 140 dB REF CC CC + ? Input Normal Mode Rejection 50Hz/60Hz ?2% 2.5V = V = V , GND = IN = IN = V (Notes 5, 9) l 87 dB REF CC CC + ? l Reference Common Mode Rejection DC 2.5V = V = V , GND = IN = IN = V (Note 5) 120 140 dB REF CC CC + ? Power Supply Rejection DC V = 2.5V, IN = IN = GND 120 dB REF + ? Power Supply Rejection, 50Hz ?2% V = 2.5V, IN = IN = GND (Notes 7, 9) 120 dB REF + ? Power Supply Rejection, 60Hz ?2% V = 2.5V, IN = IN = GND (Notes 8, 9) 120 dB REF a nalog i T an D r e FThe l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T = 25?C. (Note 3) A SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS + + IN Absolute/Common Mode IN Voltage GND ? 0.3V V + 0.3V V CC + (IN Corresponds to the Selected Positive Input Channel) ? ? IN Absolute/Common Mode IN Voltage GND ? 0.3V V + 0.3V V CC ? (IN Corresponds to the Selected Negative Input Channel or COM) + ? l V Input Voltage Range (IN ? IN ) Differential/Single-Ended ?FS +FS V IN + ? l FS Full Scale of the Input (IN ? IN ) Differential/Single-Ended 0.5V V REF 16 l LSB Least Significant Bit of the Output Code FS/2 + + l REF Absolute/Common Mode REF Voltage 0.1 V V CC ? ? + l REF Absolute/Common Mode REF Voltage GND REF ? 0.1V V + ? V Reference Voltage Range (REF ? REF ) l 0.1 V V REF CC + + CS(IN ) IN Sampling Capacitance 11 pF ? ? CS(IN ) IN Sampling Capacitance 11 pF CS(V ) V Sampling Capacitance 11 pF REF REF + + + I IN DC Leakage Current Sleep Mode, IN = GND l ?10 1 10 nA DC_LEAK(IN ) 2497fb For more information www.linear.com/LTC2497 3 erence npu ics eris harac onver ics eris harac lec

Tariff Concession Code
Tariff Desc

Free
8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
AD4
ANALOG DEVICES
Analog Devices Hittite
ANALOG DEVICES (LINEAR TECHNOLOGY)
Analog Devices / Hittite
Analog Devices / Linear Technology
Analog Devices Inc
Analog Devices Inc.
Analog Devices, Inc.
ANALOG MICRO ELECTRONICS
ANALOG MICROELECTRONICS
LINEAR
LINEAR TECH
Linear Technology
Linear Technology (part of ADI)
LT
LT4
Technology