GENERAL DESCRIPTION

The AD7910/AD79201 are, respectively, 10-bit and 12-bit, high speed, low power, successive approximation ADCs. The parts operate from a single 2.35 V to 5.25 V power supply and feature throughput rates up to 250 kSPS. The parts contain a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 13 MHz.

FEATURES

Throughput rate: 250 kSPS

Specified for VDD of 2.35 V to 5.25 V

Low power

3.6 mW typ at 250 kSPS with 3 V supplies

12.5 mW typ at 250 kSPS with 5 V supplies

Wide input bandwidth

71 dB 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 max

6-lead SC70 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