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GENERAL DESCRIPTION

The AD7276/AD7277/AD7278 are 12-/10-/8-bit, high speed, low power, successive approximation analog-to-digital converters (ADCs), respectively. The parts operate from a single 2.35 V to 3.6 V power supply and feature throughput rates of up to 3 MSPS. The parts contain a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 55 MHz.

FEATURES

Throughput rate: 3 MSPS

Specified for VDD of 2.35 V to 3.6 V

Power consumption

12.6 mW at 3 MSPS with 3 V supplies

Wide input bandwidth

70 dB SNR at 1 MHz input frequency

Flexible power/serial clock speed management

No pipeline delays

High speed serial interface

SPI-/QSPI?-/MICROWIRE?-/DSP compatible

Temperature range: ?40°C to +125°C

Power-down mode: 0.1 μA typical

6-lead TSOT package

8-lead MSOP package

AD7476 and AD7476A pin compatible