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AD7475 - 12-Bit ADC

Description

The AD7475/AD74951 are 12-bit, high speed, low power, successive-approximation ADCs that operate from a single 2.7 V to 5.25 V power supply with throughput rates up to 1 MSPS.

They contain a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies above 1 MHz.

Features

  • Fast throughput rate: 1 MSPS Specified for VDD of 2.7 V to 5.25 V Low power 4.5 mW max at 1 MSPS with 3 V supplies 10.5 mW max at 1 MSPS with 5 V supplies Wide input bandwidth: 68 dB SNR at 300 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

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Data Sheet FEATURES Fast throughput rate: 1 MSPS Specified for VDD of 2.7 V to 5.25 V Low power 4.5 mW max at 1 MSPS with 3 V supplies 10.5 mW max at 1 MSPS with 5 V supplies Wide input bandwidth: 68 dB SNR at 300 kHz input frequency Flexible power/serial clock speed management No pipeline delays High speed serial interface SPI-/QSPI™-/MICROWIRE-/DSP-compatible On-board reference: 2.5 V (AD7495 only) Standby mode: 1 µA max 8-lead MSOP and SOIC packages APPLICATIONS Battery-powered systems Personal digital assistants Medical instruments Mobile communications Instrumentation and control systems Data acquisition systems Optical sensors GENERAL DESCRIPTION The AD7475/AD74951 are 12-bit, high speed, low power, successive-approximation ADCs that operate from a single 2.7 V to 5.
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