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ADS1274 - 24-Bit ADC

General 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.

Key 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.

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📁 Similar Datasheet

Part Number Description Manufacturer
ADS1274 (ADS1274 / ADS1278) 24-Bit Analog-to-Digital Converters Burr-Brown
ADS1271 ANALOG-TO-DIGITAL CONVERTER Burr-Brown Corporation
ADS1278 (ADS1274 / ADS1278) 24-Bit Analog-to-Digital Converters Burr-Brown
ADS1201 High Dynamic Range DELTA-SIGMA MODULATOR Burr-Brown Corporation
ADS1202 Delta-Sigma Modulator Burr-Brown Corporation

Other Datasheets by Texas Instruments

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.