AD7938
AD7938 is 12-Bit and 10-Bit Parallel ADCs manufactured by Analog Devices.
FEATURES
Throughput rate: 1.5 MSPS Specified for VDD of 2.7 V to 5.25 V Power consumption
6 m W maximum at 1.5 MSPS with 3 V supplies 13.5 m W maximum at 1.5 MSPS with 5 V supplies 8 analog input channels with a sequencer Software-configurable analog inputs 8-channel single-ended inputs 4-channel fully differential inputs 4-channel pseudo differential inputs 7-channel pseudo differential inputs Accurate on-chip 2.5 V reference ±0.2% maximum @ 25°C, 25 ppm/°C maximum 69 d B SINAD at 50 k Hz input frequency No pipeline delays High speed parallel interface- word/byte modes Full shutdown mode: 2 µA maximum 32-lead LFCSP and TQFP packages
GENERAL DESCRIPTION
The AD7938/AD7939 are 12-bit and 10-bit, high speed, low power, successive approximation (SAR) analog-to-digital converters (ADCs). The parts operate from a single 2.7 V to 5.25 V power supply and feature throughput rates up to 1.5 MSPS....
