MAX1132/MAX1133 19-2083 Rev 0 8/01 16-Bit ADC, 200ksps, 5V Single-Supply with Reference General Description Features The MAX1132/MAX1133 are 200ksps, 16-bit ADCs. 200ksps (Bipolar) and 150ksps (Unipolar) These serially interfaced ADCs connect directly to Sampling ADC SPI, QSPI, and MICROWIRE devices without 16-Bits, No Missing Codes external logic. They combine an input scaling network, internal track/hold, clock, a +4.096V reference, and 1.5LSB INL Guaranteed three general-purpose digital output pins (for external 85dB (min) SINAD multiplexer or PGA control) in a 20-pin SSOP package. The excellent dynamic performance (SINAD 85dB), +5V Single-Supply Operation high-speed (200ksps), and low power (7.5mA) of these Low-Power Operation, 7.5mA (Unipolar Mode) ADCs, make them ideal for applications such as indus- trial process control, instrumentation, and medical 2.5A Shutdown Mode applications. The MAX1132 accepts input signals of 0 to +12V (unipolar) or 12V (bipolar), while the Software-Configurable Unipolar and Bipolar Input MAX1133 accepts input signals of 0 to +4.096V (unipo- Ranges lar) or 4.096V (bipolar). Operating from a single 0 to +12V and 12V (MAX1132) +4.75V to +5.25V analog supply and a +4.75V to 0 to +4.096V and 4.096V (MAX1133) +5.25V digital supply, power-down modes reduce Internal or External Reference current consumption to 1mA at 10ksps and further Internal or External Clock reduce supply current to less than 20A at slower data rates. A serial strobe output (SSTRB) allows direct con- SPI/QSPI/MICROWIRE-Compatible Serial Interface nection to the TMS320 family of digital signal proces- Three User-Programmable Logic Outputs sors. The MAX1132/MAX1133 user can select either the internal clock, or an external serial-interface clock for Small 20-Pin SSOP Package the ADC to perform analog-to-digital conversions. The MAX1132/MAX1133 feature internal calibration cir- cuitry to correct linearity and offset errors. On-demand Ordering Information calibration allows the user to optimize performance. Three user-programmable logic outputs are provided INL PART TEMP. RANGE PIN-PACKAGE for the control of an 8-channel mux or a PGA. (LSB) MAX1132ACAP* 0C to +70C 20 SSOP 1.5 MAX1132BCAP 0C to +70C 20 SSOP 2.5 Applications Ordering Information continued at end of data sheet. Industrial Process Control Industrial I/O Modules Pin Configuration Data-Acquisition Systems TOP VIEW Medical Instruments REF 1 20 AIN Portable and Battery-Powered Equipment REFADJ 2 19 AGND AGND 3 18 CREF AV 4 17 CS DD MAX1132 DGND 5 16 DIN MAX1133 SHDN 6 15 DV DD P2 7 14 DGND Functional Diagram appears at end of data sheet. P1 8 13 SCLK Typical Application Circuit appears at end of data sheet. P0 9 12 RST SPI and QSPI are trademarks of Motorola, Inc. SSTRB 10 11 DOUT MICROWIRE is a trademark of National Semiconductor Corp. SSOP Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com. EVALUATION KIT AVAILABLE16-Bit ADC, 200ksps, 5V Single-Supply with Reference ABSOLUTE MAXIMUM RATINGS AV to AGND, DV to DGND .............................-0.3V to +6V Operating Temperature Ranges DD DD AGND to DGND.....................................................-0.3V to +0.3V MAX113 CAP ......................................................0C to +70C AIN to AGND.....................................................................16.5V MAX113 EAP....................................................-40C to +85C REFADJ, CREF, REF to AGND.................-0.3V to (AV + 0.3V) Storage Temperature Range .............................-60C to +150C DD Digital Inputs to DGND.............................................-0.3V to +6V Junction Temperature......................................................+150C Digital Outputs to DGND .........................-0.3V to (DV + 0.3V) Lead Temperature (soldering, 10s) .................................+300C DD Continuous Power Dissipation (T = +70C) A 20-Pin SSOP (derate 8.00mW/C above +70C) .........640mW Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (AV = DV = +5V 5%, f = 4.8MHz, external clock (50% duty cycle), 24 clocks/conversion (200ksps), bipolar input, external DD DD SCLK V = +4.096V, V = AV , C = 2.2F, C = 1F, T = T to T , unless otherwise noted. Typical values are at REF REFADJ DD REF CREF A MIN MAX T = +25C.) A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DC ACCURACY (Note 1) Resolution 16 Bits MAX113 A 1.5 Relative Accuracy (Note 2) INL Bipolar mode LSB MAX113 B 2.5 No Missing Codes 16 Bits MAX113 A -1 +1 Differential Nonlinearity DNL Bipolar mode LSB MAX113 B -1 +1.75 Transition Noise 0.77 LSB RMS MAX1132 4 Unipolar MAX1133 2 Offset Error mV MAX1132 6 Bipolar MAX1133 5 Unipolar 0.2 Gain Error (Note 3) %FSR Bipolar 0.3 o Offset Dr i ft (Bi p olar and U ni p olar ) Excluding reference drift 1 ppm/ C o G ai n Dr i ft (Bi p ol ar and U ni p olar ) Excluding reference drift 1 ppm/ C DYNAMIC SPECIFICATIONS (5kHz sine-wave input, 200ksps, 4.8MHz clock, bipolar input mode. MAX1132: 24Vp-p. MAX1133: 8.192Vp-p) f = 5kHz 85 IN SINAD dB f = 100kHz 85 IN f = 5kHz 87 IN SNR dB f = 100kHz 92 IN f = 5kHz -90 IN THD dB f = 100kHz -92 IN f = 5kHz 92 IN SFDR dB f = 100kHz 96 IN 2 MAX1132/MAX1133