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ADS1191 - 16-Bit Analog Front-End

General Description

The ADS1191/2 are a family of multichannel, simultaneous sampling, 16-bit, delta-sigma (ΔΣ) analog-to-digital converters (ADCs) with a built-in programmable gain amplifier (PGA), internal reference, and an onboard oscillator.

Key Features

  • 1.
  • 23 Two Low-Noise PGAs and Two High-Resolution ADCs (ADS1192).
  • Low Power: 335 μW/channel.
  • Input-Referred Noise: 24 μVPP (150-Hz BW, G = 6).
  • Input Bias Current: 1 nA.
  • Data Rate: 125 SPS to 8 kSPS.
  • CMRR:.
  • 95 dB.
  • Programmable Gain: 1, 2, 3, 4, 6, 8, or 12.
  • Supplies: Unipolar or Bipolar.
  • Analog: 2.7 V to 5.25 V.
  • Digital: 1.7 V to 3.6 V.
  • Built-In Right Leg Drive Amplifier, Lead-Off Detection, T.

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Other Datasheets by Texas Instruments

Part Number Description
ADS1192 16-Bit Analog Front-End
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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
ADS1191 ADS1192 www.ti.com SBAS566A – DECEMBER 2011 – REVISED SEPTEMBER 2012 Low-Power, 2-Channel, 16-Bit Analog Front-End for Biopotential Measurements Check for Samples: ADS1191, ADS1192 FEATURES 1 •23 Two Low-Noise PGAs and Two High-Resolution ADCs (ADS1192) • Low Power: 335 μW/channel • Input-Referred Noise: 24 μVPP (150-Hz BW, G = 6) • Input Bias Current: 1 nA • Data Rate: 125 SPS to 8 kSPS • CMRR: –95 dB • Programmable Gain: 1, 2, 3, 4, 6, 8, or 12 • Supplies: Unipolar or Bipolar – Analog: 2.7 V to 5.25 V – Digital: 1.7 V to 3.