ADS1274 Datasheet PDF - Texas Instruments 24-Bit ADC Specs

ADS1274 - 24-Bit ADC

Datasheet Summary

Description

Based on the single-channel ADS1271, the ADS1274 (quad) and ADS1278 (octal) are 24-bit, delta-sigma (ΔΣ) analog-to-digital converters (ADCs) with data rates up to 144k samples per second (SPS), allowing simultaneous sampling of four or eight channels.

Features

1.
234 Simultaneously Measure Four/Eight Channels.
Up to 144kSPS Data Rate.
AC Performance: 70kHz Bandwidth 111dB SNR (High-Resolution Mode).
108dB THD.
DC Accuracy: 0.8μV/°C Offset Drift 1.3ppm/°C Gain Drift.
Selectable Operating Modes: High-Speed: 144kSPS, 106dB SNR High-Resolution: 52kSPS, 111dB SNR Low-Power: 52kSPS, 31mW/ch Low-Speed: 10kSPS, 7mW/ch.
Linear Phase Digital Filter.
SPI™ or Frame-Sync Serial Interface.

Datasheet Details

Part number	ADS1274
Manufacturer	Texas Instruments
File Size	1.67 MB
Description	24-Bit ADC
Datasheet	ADS1274 Datasheet
Additional preview pages of the ADS1274 datasheet.

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Full PDF Text Transcription

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ADS1274 ADS1278 www.ti.com SBAS367F – JUNE 2007 – REVISED FEBRUARY 2011 Quad/Octal, Simultaneous Sampling, 24-Bit Analog-to-Digital Converters Check for Samples: ADS1274, ADS1278 FEATURES 1 •234 Simultaneously Measure Four/Eight Channels • Up to 144kSPS Data Rate • AC Performance: 70kHz Bandwidth 111dB SNR (High-Resolution Mode) –108dB THD • DC Accuracy: 0.8μV/°C Offset Drift 1.3ppm/°C Gain Drift • Selectable Operating Modes: High-Speed: 144kSPS, 106dB SNR High-Resolution: 52kSPS, 111dB SNR Low-Power: 52kSPS, 31mW/ch Low-Speed: 10kSPS, 7mW/ch • Linear Phase Digital Filter • SPI™ or Frame-Sync Serial Interface • Low Sampling Aperture Error • Modulator Output Option (digital filter bypass) • Analog Supply: 5V • Digital Core: 1.8V • I/O Supply: 1.8V to 3.

Published: Jul 8, 2020 |