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AD7878 Datasheet LC2MOS Complete 12-Bit 100 kHz Sampling ADC with DSP Interface

Manufacturer: Analog Devices

Download the AD7878 datasheet PDF. This datasheet also includes the AD7-87 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AD7-87-8.pdf) that lists specifications for multiple related part numbers.

General Description

The AD7878 is a fast, complete, 12-bit A/D converter with a versatile DSP interface consisting of an 8-word, first-in, first-out (FIFO) memory and associated control logic.

The FIFO memory allows up to eight samples to be digitized before the microprocessor is required to service the A/D converter.

The eight words can then be read out of the FIFO at maximum microprocessor speed.

Overview

a LC2MOS Complete 12-Bit 100 kHz Sampling ADC with DSP Interface AD7878 FUNCTIONAL BLOCK.

Key Features

  • Complete ADC with DSP Interface, Comprising: Track/Hold Amplifier with 2 ␮s Acquisition Time 7 ␮s A/D Converter 3 V Zener Reference 8-Word FIFO and Interface Logic 72 dB SNR at 10 kHz Input Frequency Interfaces to High Speed DSP Processors, e. g. , ADSP-2100, TMS32010, TMS32020 41 ns max Data Access Time Low Power, 60 mW typ.

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