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AD7982 - 1-MSPS PulSAR ADC

General Description

VDD.

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Data Sheet 18-Bit, 1 MSPS PulSAR ADC in MSOP/LFCSP AD7982 FEATURES FUNCTIONAL BLOCK DIAGRAM High performance 2.5V TO 5V 2.5V True differential analog input range: ±VREF 0 V to VREF with VREF between 2.5 V to 5 V Easy to drive with the ADA4941-1 or ADA4940-1 Throughput: 1 MSPS Zero latency architecture 18-bit resolution with no missing codes INL: ±1 LSB typical, ±2 LSB maximum ±10V, ±5V, .. ADA4940-1/ ADA4941-1 REF VDD VIO IN+ SDI AD7982 SCK IN– GND SDO CNV 1.8V TO 5V 3- OR 4-WIRE INTERFACE (SPI, CS DAISY CHAIN) 06513-001 Dynamic range: 99 dB, VREF = 5 V SNR: 98 dB at fIN = 1 kHz, VREF = 5 V THD: −119 dB at fIN = 1 kHz, VREF = 5 V Figure 1.