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AD7705 - Sigma-Delta ADCs

This page provides the datasheet information for the AD7705, a member of the AD7706 Sigma-Delta ADCs family.

Description

The AD7705/AD7706 are complete analog front ends for low frequency measurement applications.

These 2-/3-channel devices can accept low level input signals directly from a transducer and produce serial digital output.

Features

  • AD7705: 2 fully differential input channel ADCs AD7706: 3 pseudo differential input channel ADCs 16 bits no missing codes 0.003% nonlinearity Programmable gain front end: gains from 1 to 128 3-wire serial interface SPI®-, QSPI™-,.

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Datasheet Details

Part number AD7705
Manufacturer Analog Devices
File Size 431.90 KB
Description Sigma-Delta ADCs
Datasheet download datasheet AD7705 Datasheet
Additional preview pages of the AD7705 datasheet.

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Full PDF Text Transcription

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FEATURES AD7705: 2 fully differential input channel ADCs AD7706: 3 pseudo differential input channel ADCs 16 bits no missing codes 0.003% nonlinearity Programmable gain front end: gains from 1 to 128 3-wire serial interface SPI®-, QSPI™-, MICROWIRE™-, and DSP-compatible Schmitt-trigger input on SCLK Ability to buffer the analog input 2.7 V to 3.3 V or 4.75 V to 5.25 V operation Power dissipation 1 mW maximum @ 3 V Standby current 8 μA maximum 16-lead PDIP, 16-lead SOIC, and 16-lead TSSOP packages GENERAL DESCRIPTION The AD7705/AD7706 are complete analog front ends for low frequency measurement applications. These 2-/3-channel devices can accept low level input signals directly from a transducer and produce serial digital output.
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