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ADS1278-EP - 24-Bit ADC

Description

Based on the single-channel ADS1271, the ADS1278 (octal) is a 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC) with data rates up to 128 k samples per second (SPS), allowing simultaneous sampling of eight channels.

Features

  • 1.
  • 234 Simultaneously Measure Eight Channels.
  • Up to 128-kSPS Data Rate.
  • AC Performance: 62-kHz Bandwidth 111-dB SNR (High-Resolution Mode).
  • 108-dB THD.
  • DC Accuracy: 0.8-μV/°C Offset Drift 1.3-ppm/°C Gain Drift.
  • Selectable Operating Modes: High-Speed: 128 kSPS, 106 dB SNR High-Resolution: 52 kSPS, 111 dB SNR Low-Power: 52 kSPS, 31 mW/ch Low-Speed: 10 kSPS, 7 mW/ch.
  • Linear Phase Digital Filter.
  • SPI™ or Frame-Sync Serial Interfac.

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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
ADS1278-EP www.ti.com SBAS579 – AUGUST 2012 OCTAL SIMULTANEOUS-SAMPLING 24-BIT ANALOG-TO-DIGITAL CONVERTER Check for Samples: ADS1278-EP FEATURES 1 •234 Simultaneously Measure Eight Channels • Up to 128-kSPS Data Rate • AC Performance: 62-kHz Bandwidth 111-dB SNR (High-Resolution Mode) –108-dB THD • DC Accuracy: 0.8-μV/°C Offset Drift 1.3-ppm/°C Gain Drift • Selectable Operating Modes: High-Speed: 128 kSPS, 106 dB SNR High-Resolution: 52 kSPS, 111 dB SNR Low-Power: 52 kSPS, 31 mW/ch Low-Speed: 10 kSPS, 7 mW/ch • Linear Phase Digital Filter • SPI™ or Frame-Sync Serial Interface • Low Sampling Aperture Error • Modulator Output Option (digital filter bypass) • Analog Supply: 5 V • Digital Core: 1.8 V • I/O Supply: 1.8 V to 3.
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