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AD7864 Datasheet 12-Bit ADC

Manufacturer: Analog Devices

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General Description

The AD7864 is a high speed, low power, 4-channel, simultaneous sampling 12-bit analog-to-digital converter (ADC) that operates from a single 5 V supply.

The part contains a 1.65 μs successive approximation ADC, four track-and-hold amplifiers, a 2.5 V reference, an on-c

Overview

4-Channel, Simultaneous Sampling, High Speed, 12-Bit ADC AD7864.

Key Features

  • High speed (1.65 μs) 12-bit ADC 4 simultaneously sampled inputs 4 track-and-hold amplifiers 0.35 μs track-and-hold acquisition time 1.65 μs conversion time per channel HW/SW select of channel sequence for conversion Single-supply operation Selection of input ranges ±10 V, ±5 V for AD7864-1 ±2.5 V for AD7864-3 0 V to 2.5 V, 0 V to 5 V for AD7864-2 High speed parallel interface that allows Interfacing to 3 V processors Low power, 90 mW typical Power saving mode, 20 μW typical Overvoltage protectio.

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