EVALUATION KIT AVAILABLE MAX11329MAX11332 3Msps, 12-/10-Bit, 8-/16-Channel ADCs with Post-Mux External Signal Conditioning Access General Description Benefits and Features S Scan Modes, Internal Averaging, and Internal Clock The MAX11329MAX11332 are 12-/10-bit with external reference and 500kHz, full-linear-bandwidth, high-speed, S 16-Entry First-In/First-Out (FIFO) low-power, serial-output successive approximation reg- S SampleSet: User-Defined Channel Sequence with ister (SAR) analog-to-digital converters (ADCs). The Maximum Length of 256 MAX11329MAX11332 provide external access to the S Input Pins output of the integrated mux and ADC input, to simplify the Any Combination of Single-Ended, Differential signal conditional circuitry. The MAX11329MAX11332 and Pseudo-Differential Pairs Allowed include both internal and external clock modes. These S Analog Multiplexer with True Differential devices feature scan mode in both internal and external Track/Hold clock modes. The internal clock mode features internal 16-/8-Channel Single-Ended averaging to increase SNR. The external clock mode fea- 8-/4-Channel Fully-Differential Pairs tures the SampleSetK technology, a user-programmable 15-/8-Channel Pseudo-Differential Relative to analog input channel sequencer. The SampleSet approach a Common Input provides greater sequencing flexibility for multichannel S Externally Accessible Multiplex Output and applications while alleviating significant microcontroller or ADC Input DSP (controlling unit) communication overhead. S Two Software-Selectable Bipolar Input Ranges External pins provide access to the output of the QV /2, QV REF+ REF+ multiplexer and ADC inputs to simplify multichannel sig- S Flexible Input Configuration Across All Channels nal conditioning. The internal clock mode features an inte- S High Accuracy grated FIFO allowing data to be sampled at high speeds Q1 LSB INL, Q1 LSB DNL, No Missing Codes and then held for readout at any time or at a lower clock rate. Internal averaging is also supported in internal clock S 70dB SINAD Guaranteed at 100kHz Input mode improving SNR for noisy input signals. The devices Frequency feature analog input channels that can be configured to S 1.5V to 3.6V Digital I/O Supply Voltage be single-ended inputs, fully differential pairs, or pseudo- S 2.35V to 3.6V Supply Voltage differential inputs with respect to one common input. The S Extended Battery Life for Portable Applications MAX11329MAX11332 operate from a 2.35V to 3.6V sup- 15.2mW at 3Msps with 3V Supplies ply and consume only 15.2mW at 3Msps. 2A Full-Shutdown Current The MAX11329MAX11332 include AutoShutdownK, S External Differential Reference (1V to V ) DD fast wake-up, and a high-speed 3-wire serial interface. S 48MHz, 3-Wire SPI-/QSPI-/MICROWIRE-/DSP- The devices feature full power-down mode for optimal Compatible Serial Interface power management. The 48MHz, 3-wire serial interface S Wide -40NC to +125NC Operation directly connects to SPI, QSPIK, and MICROWIREM devices without external logic. S Space-Saving, 32-Pin, 5mm x 5mm TQFN Packages S 3Msps Conversion Rate, No Pipeline Delay Excellent dynamic performance, low voltage, low power, ease of use, and small package size make these convert- ers ideal for portable battery-powered data-acquisition Applications applications, and for other applications that demand low power consumption and small space. High-Speed Data Acquisition Systems The MAX11329MAX11332 are available in 32-pin, 5mm High-Speed Closed-Loop Systems x 5mm, TQFN packages and operate over the -40NC to Industrial Control Systems +125NC temperature range. Medical Instrumentation SampleSet and AutoShutdown are trademarks of Maxim Battery-Powered Instruments Integrated Products, Inc. Portable Systems QSPI is a trademark of Motorola, Inc. MICROWIRE is a registered trademark of National Semiconductor Corp. For related parts and recommended products to use with this part, Ordering Information appears at end of data sheet. refer to www.maximintegrated.com/MAX11329-MAX11332.related. For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maximintegrated.com. 19-6262 Rev 1 6/12MAX11329MAX11332 3Msps, 12-/10-Bit, 8-/16-Channel ADCs with Post-Mux External Signal Conditioning Access ABSOLUTE MAXIMUM RATINGS V to GND .............................................................-0.3V to +4V Continuous Power Dissipation (T = +70NC) DD A OVDD, AIN0AIN13, CNVST/AIN14, REF+, REF-/AIN15 TQFN (derate 34.4mW/NC above +70NC)..................2758mW to GND ......................-0.3V to the lower of (V + 0.3V) and +4V Operating Temperature Range ........................ -40NC to +125NC DD Junction Temperature .....................................................+150NC CS, SCLK, DIN, DOUT, EOC TO GND .......-0.3V to the lower of Storage Temperature Range ............................ -65NC to +150NC (V + 0.3V) and +4V OVDD Lead Temperature (soldering, 10s) ................................+300NC DGND to GND ......................................................-0.3V to +0.3V Soldering Temperature (reflow) ......................................+260NC Input/Output Current (all pins) ...........................................50mA Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional opera- tion 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. PACKAGE THERMAL CHARACTERISTICS (Note 1) TQFN Junction-to-Ambient Thermal Resistance (B ) ...........29NC/W JA Junction-to-Case Thermal Resistance (B ) ..................2NC/W JC Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. ELECTRICAL CHARACTERISTICS (MAX11331/MAX11332) (V = 2.35V to 3.6V, V = 1.5V to 3.6V, f = 3Msps, f = 48MHz, 50% duty cycle, V = V , T = -40NC to +125NC, DD OVDD SAMPLE SCLK REF+ DD A unless otherwise noted. Typical values are at T = +25NC.) (Note 2) A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DC ACCURACY (Notes 3 and 4) Resolution RES 12 bit 12 Bits Integral Nonlinearity INL Q1.0 LSB Differential Nonlinearity DNL No missing codes Q1.0 LSB Offset Error 1.2 Q3.0 LSB Gain Error (Note 5) 0 LSB Q5.5 Offset Error Temperature Coefficient OE Q2 ppm/NC TC Gain Temperature Coefficient GE Q0.8 ppm/NC TC Channel-to-Channel Offset Matching Q0.5 LSB Line Rejection PSR (Note 6) Q0.3 Q2 LSB/V DYNAMIC PERFORMANCE (100kHz, input sine wave) (Notes 3 and 7) Signal-to-Noise Plus Distortion SINAD 70 71.9 dB Signal-to-Noise Ratio SNR 70 72.3 dB Total Harmonic Distortion THD -88 -76 dB (Up to the 5th Harmonic) Spurious-Free Dynamic Range SFDR 77 84 dB Intermodulation Distortion IMD f = 99.2432kHz, f = 69.2139kHz -85 dB 1 2 -3dB 30 Full-Power Bandwidth MHz -0.1dB 5 Full-Linear Bandwidth SINAD 70dB 0.5 MHz Maxim Integrated 2