GENERAL DESCRIPTION

The AD7923 is a 12-bit, high speed, low power, 4-channel, successive approximation (SAR) ADC. It operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 200 kSPS. It contains a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 8 MHz.

FEATURES

Fast throughput rate: 200 kSPS

Specified for AVDD of 2.7 V to 5.25 V

Low power

3.6 mW max at 200 kSPS with 3 V supply

7.5 mW max at 200 kSPS with 5 V supply

4 (single-ended) inputs with sequencer

Wide input bandwidth

70 dB Min SNR at 50 kHz input frequency

Flexible power/serial clock speed management

No pipeline delays

High speed serial interface SPI®-/QSPITM-/

MICROWIRETM-/DSP-compatible

Shutdown mode: 0.5 μA max

16-lead TSSOP package

Qualified for automotive applications