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ADS1281 Datasheet ADC

Manufacturer: Texas Instruments

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General Description

The ADS1281 is an extremely high-performance, single-chip analog-to-digital converter (ADC) designed for the demanding needs of energy exploration and seismic monitoring environments.

The single-chip design promotes board area savings for improvements in high-density applications.

The converter uses a fourth-order, inherently stable, delta-sigma (ΔΣ) modulator that provides outstanding noise and linearity performance.

Overview

ADS1281 ADS1281 www.ti.com SBAS378D – AUGUST 2007 – REVISED JUNE 2010 High-Resolution Analog-to-Digital Converter Check for Samples:.

Key Features

  • 1.
  • 2 High Resolution:.
  • 130dB SNR (250SPS).
  • 127dB SNR (500SPS).
  • High Accuracy:.
  • THD:.
  • 122dB (typ),.
  • 115dB (max).
  • INL: 0.6ppm.
  • Inherently Stable Modulator with Fast Responding Over-Range Detection.
  • Flexible Digital Filter:.
  • Sinc + FIR + IIR (Selectable).
  • Linear or Minimum Phase Response.
  • Programmable High-Pass Filter.
  • Selectable FIR Data Rates:.
  • 250SPS to 4kSPS.

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