ADS8691 Datasheet PDF (SAR ADC) | Download Texas Instruments ADS8691

ADS8691 - SAR ADC

Description

The ADS8691, ADS8695, and ADS8699 belong to a family of integrated data acquisition system based on a successive approximation (SAR) analog-to-digital converter (ADC).

Features

18-bit ADC with integrated analog front-end.
High speed:.
ADS8691: 1 MSPS.
ADS8695: 500 kSPS.
ADS8699: 100 kSPS.
Software programmable input ranges:.
Bipolar ranges: ±12.288 V, ±10.24 V, ±6.144 V, ±5.12 V, and ±2.56 V.
Unipolar ranges: 0 V.
12.288 V, 0 V.
10.24 V, 0 V.
6.144 V, and 0 V.
5.12 V.
5-V analog supply: 1.65-V to 5-V I/O supply.
Constant resistive input impedance ≥ 1 M.

Datasheet Details

Part number	ADS8691
Manufacturer	Texas Instruments
File Size	2.77 MB
Description	SAR ADC
Datasheet	ADS8691 Datasheet
Additional preview pages of the ADS8691 datasheet.

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Full PDF Text Transcription

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www.ti.com ADS8691, ADS8695, ADS8699 SBAS777B – DECAEMDBSE8R629011,6A– DRESV8IS6E9D5,MAARDCSH82609291 SBAS777B – DECEMBER 2016 – REVISED MARCH 2021 ADS869x 18-Bit, High-Speed, Single-Supply, SAR ADC Data Acquisition System With Programmable, Bipolar Input Ranges 1 Features • 18-bit ADC with integrated analog front-end • High speed: – ADS8691: 1 MSPS – ADS8695: 500 kSPS – ADS8699: 100 kSPS • Software programmable input ranges: – Bipolar ranges: ±12.288 V, ±10.24 V, ±6.144 V, ±5.12 V, and ±2.56 V – Unipolar ranges: 0 V–12.288 V, 0 V–10.24 V, 0 V–6.144 V, and 0 V–5.12 V • 5-V analog supply: 1.65-V to 5-V I/O supply • Constant resistive input impedance ≥ 1 MΩ • Input overvoltage protection: up to ±20 V • On-chip, 4.096-V reference with low drift • Excellent performance: – DNL: ±0.

Published: May 10, 2023 |