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ADS1198 Datasheet 16-Bit Analog Front-End

Manufacturer: Texas Instruments

Download the ADS1198 datasheet PDF. This datasheet also includes the ADS1194 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (ADS1194-etcTI.pdf) that lists specifications for multiple related part numbers.

General Description

The ADS1194/6/8 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.

With its high levels of integration and exceptional performance, the ADS1194/6/8 family enables the creation of scalable medical instrumentation systems at significantly reduced size, power, and overall cost.

The ADS1194/6/8 have a flexible input multiplexer per channel that can be independently connected to the internally-generated signals for test, temperature, and lead-off detection.

Overview

ADS1194, ADS1196 ADS1198 www.ti.com SBAS471C – APRIL 2010 – REVISED NOVEMBER 2011 Low-Power, 8-Channel, 16-Bit Analog Front-End for Biopotential Measurements Check for Samples: ADS1194, ADS1196,.

Key Features

  • 1.
  • 23 Eight Low-Noise PGAs and Eight High-Resolution ADCs (ADS1198).
  • Low Power: 0.55mW/channel.
  • Input-Referred Noise: 12μVPP (150Hz BW, G = 6).
  • Input Bias Current: 200pA.
  • Data Rate: 125SPS to 8kSPS.
  • CMRR:.
  • 105dB.
  • Programmable Gain: 1, 2, 3, 4, 6, 8, or 12.
  • Supports AAMI EC11, EC13, IEC60601-1, IEC60601-2-27, and IEC60601-2-51 Standards.
  • Supplies: Unipolar or Bipolar.
  • Analog: 2.7V to 5.25V.
  • D.