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ADS1281IPWR The ADS1281IPWR is a 31-bit sigma-delta ADC from Texas Instruments with 4 kSPS sampling rate and 130 dB SNR. It is designed for seismic and energy exploration applications.
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ADS1281IPWR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The ADS1281IPWR is a 31-bit sigma-delta ADC from Texas Instruments with 4 kSPS sampling rate and 130 dB SNR. It is designed for seismic and energy exploration applications.
✓ Total Stock: 1,463 pcs
$ Price Range: $44.29

ADS1281IPWR Available from 1 distributor

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Xingangxin ✓
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1,463 pcs
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ADS1281IPWR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Architecture
Configuration
Data Interface
Input Type
Mounting Type
Number of A
Number of Bits
Number of Inputs
Operating Temperature
Reference Type
Sampling Rate (Per Second)
Supplier Device Package
Tape & Reel
Voltage
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ADS1281IPWR Description

Short technical summary and product information.

The ADS1281IPWR is a high-performance 31-bit sigma-delta analog-to-digital converter (ADC) from Texas Instruments. It features a fourth-order modulator with selectable digital filter (Sinc, FIR, IIR) and offers data rates from 250 SPS to 4 kSPS. The ADC achieves a signal-to-noise ratio of 130 dB at 250 SPS and 127 dB at 500 SPS, with total harmonic distortion of -122 dB typical and integral nonlinearity of 0.6 ppm.

 

This ADC is designed for demanding applications such as seismic monitoring, energy exploration, and high-accuracy instrumentation. It supports differential or single-ended input, operates from a 5V unipolar or ±2.5V bipolar analog supply, and a 1.8V to 3.3V digital supply. Power consumption is 12 mW typical, with a shutdown mode of 10 µW. The device includes offset and gain calibration, a SYNC input, and a fast over-range detection feature.

 

The ADS1281IPWR is packaged in a 24-TSSOP (0.173", 4.40mm Width) surface mount package, available in tape and reel with 2,000 pieces per reel. Its operating temperature range is -40°C to 85°C, making it suitable for industrial environments. The device is RoHS and REACH compliant.

ADS1281IPWR Quick Information

Product Type: Analog-to-Digital Converter (ADC)
Series: ADS1281
Canonical Name: ADS1281IPWR
Subcategory: Precision ADCs

ADS1281IPWR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): Level 1 (Unlimited)
REACH Status: Compliant
Lead Free: Lead Free (NiPdAu)

ADS1281IPWR Estimated Pricing

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1+ $44.29 $44.29

Estimated market price range - modelled values for guidance only, not live distributor offers.

ADS1281IPWR Features

  • 31-bit precision delta-sigma analog-to-digital converter.
  • 4 kSPS sampling rate with selectable digital filter.
  • 130dB SNR at 250 SPS.
  • -122dB THD typical for low distortion.
  • Low power operation with 10µW shutdown.

ADS1281IPWR Applications

  • Used in seismic monitoring systems.
  • Ideal for energy exploration equipment.
  • Suitable for high-accuracy instrumentation.
  • Applicable in geophysical data acquisition.

ADS1281IPWR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type for the ADS1281IPWR?

24-TSSOP (0.173", 4.40mm Width).

What is the operating temperature range?

-40°C to 85°C.

Is the ADS1281IPWR RoHS compliant?

Yes, RoHS compliant (unverified).

What is the resolution of the ADC?

31 bits.

What is the sampling rate?

4 kSPS (4000 SPS).

What is the signal-to-noise ratio (SNR)?

130 dB at 250 SPS, 127 dB at 500 SPS.

What is the typical power consumption?

12 mW operating, 10 µW shutdown.

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