The AD7912/AD79221 are 10-bit and 12-bit, high speed, low power, 2-channel successive approximation ADCs, respectively. The parts operate from a single 2.35 V to 5.25 V power supply and feature throughput rates of up to 1 MSPS. The parts contain a low noise, wide bandwidth track-and-hold amplifier, which can handle input frequencies in excess of 6 MHz.

FEATURES
Fast throughput rate: 1 MSPS
Specified for VDD of 2.35 V to 5.25 V
Low power:
   4.8 mW typ at 1 MSPS with 3 V supplies
   15.5mW typ at 1 MSPS with 5 V supplies
Wide input bandwidth:
    71 dB minimum SNR at 100 kHz input frequency
Flexible power/serial clock speed management
No pipeline delays
High speed serial interface:
SPI®/QSPI™/MICROWIRE™/DSP compatible
Standby mode: 1 µA maximum
Daisy-chain mode
8-lead TSOT package
8-lead MSOP package

APPLICATIONS
Battery-powered systems:
   Personal digital assistants
   Medical instruments
   Mobile communications
Instrumentation and control systems
Data acquisition systems
High speed modems
Optical sensors