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AD7912 - 10-/12-Bit ADCs

General Description

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.

Key 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™/.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 GENERAL DESCRIPTION The AD7912/AD79221 are 10-bit and 12-bit, high speed, low power, 2-channel successive approximation ADCs, respectively.