ADS1281IPW - 

Analogue to Digital Converter, 31 bit, 4 kSPS, Dual (+/-), 1.8 V, 3.3 V, TSSOP

ADS1281IPW - Analogue to Digital Converter, 31 bit, 4 kSPS, Dual (+/-), 1.8 V, 3.3 V, TSSOP

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Product Overview

The ADS1281IPW is an ultra high resolution delta sigma Analog-to-digital (A/D) Converter for seismic and energy exploration. The ADS1281 is 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 modulator that provides outstanding noise and linearity performance. The modulator is used either in conjunction with the on-chip digital filter or can be bypassed for use with post-processing filters. The digital filter consists of sinc and finite impulse response (FIR) low-pass stages followed by an infinite impulse response (IIR) high-pass filter (HPF) stage. The FIR low-pass stage provides both linear and minimum phase response. The HPF features an adjustable corner frequency. On-chip gain and offset scaling registers support system calibration.
  • High resolution
  • High accuracy
  • Inherently stable modulator with fast responding over-range detection
  • Flexible digital filter
  • Filter bypass option
  • Low power consumption
  • Calibration engine for offset and
  • Gain correction
  • SYNC Input
  • Green product and no Sb/Br


Signal Processing, Sensing & Instrumentation


This IC can be damaged by ESD. We recommend that all ICs be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.

Product Information

Dual (+/-)
Differential, Single Ended
MSL 1 - Unlimited
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More stock available week commencing 8/27/18

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