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AD7725 Datasheet 16-Bit 900 kSPS ADC with a Programmable Postprocessor

Manufacturer: Analog Devices

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General Description

The AD7725 is a complete 16-bit, ⌺-⌬ analog-to-digital converter with on-chip, user-programmable signal conditioning.

The output of the modulator is processed by three cascaded finite impulse response (FIR) filters, followed by a fully user-programmable postprocessor.

The postprocessor provides processing power of up to 130 million accumulates (MAC) per second.

Overview

16-Bit 900 kSPS ⌺-⌬ ADC with a Programmable Postprocessor AD7725.

Key Features

  • Programmable Filtering: Any Characteristic up to 108 Tap FIR and/or IIR Polynomial Signal Conditioning up to 8th Order Programmable Decimation and Output Word Rate Flexible Programming Modes: Boot from DSP or External EPROM Parallel/Serial Interface Internal Default Filter for Evaluation 14.4 MHz Max Master Clock Frequency 0 V to +4 V (Single-Ended) or ؎2 V (Differential) Input Range Power Supplies: AVDD, DVDD: 5 V ؎ 5% On-Chip 2.5 V Voltage Reference 44-Lead MQFP Package.

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