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ADS1191 - 16-Bit Analog Front-End

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.

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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Datasheet preview – ADS1191

Datasheet Details

Part number ADS1191
Manufacturer Texas Instruments
File Size 2.56 MB
Description 16-Bit Analog Front-End
Datasheet download datasheet ADS1191 Datasheet
Additional preview pages of the ADS1191 datasheet.

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Full PDF Text Transcription

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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.
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