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Details for Texas Instruments


24-bit 128-kSPS 2-channel simultaneous-sampling delta-sigma ADC
Buy Directly from Texas Instruments (5779 in Stock)
$3.1500 per unit
Series Information for ADS131A02IPBSR - Texas Instruments


  • feature
    2 or 4 Simultaneously-Sampling Differential Inputs
  • feature
    ADC Self Checks
  • feature
    Cyclic Redundancy Check (CRC) and Hamming Code Error Correction on Communications
  • feature
    Data Rates Up to 128 kSPS
  • feature
    Digital Supply: 1.65 V to 3.6 V
  • feature
    Flexible Analog Power-Supply Operation: u2013 Using Negative Charge Pump: 3.0 V to 3.45 V u2013 Unipolar Supply: 3.3 V to 5.5 V u2013 Bipolar Supply: u00b12.5 V
  • feature
    Integrated Negative Charge Pump
  • feature
    Low-Drift Internal Voltage Reference: 4 ppm/u00b0C
  • feature
    Multiple SPI Data Interface Modes: u2013 Asynchronous Interrupt u2013 Synchronous Master and Slave
  • feature
    Noise Performance: u2013 Single-Channel Accuracy: Better Than 0.1% at 10,000:1 Dynamic Range u2013 Effective Resolution: 20.6 Bits at 8 kSPS u2013 THD: u2013100 dB at 50 Hz and 60 Hz
  • feature
    Operating Temperature Range:
  • feature
    Package: 32-Pin TQFP


The ADS131A02 and ADS131A04 are two- and fourchannel, simultaneously-sampling, 24-bit, delta-sigma (ΔΣ), analog-to-digital converters (ADCs). The wide dynamic range, scalable data rates, and internal fault monitors make the ADS131A02 and ADS131A04 ideally-suited for energy monitoring, protection, and control applications. The ADC inputs can be independently and directly interfaced to a resistordivider network, a transformer to measure voltage or current, or a Rogowski coil to measure current. Flexible power-supply options, including an internal negative charge pump, are available to maximize the effective resolution for high dynamic range applications. Asynchronous and synchronous master and slave interface options are available, providing ADC configuration flexibility when chaining multiple devices in a single system. Several interface checks, ADC startup checks, and data integrity checks can be enabled on the interface to report errors in the ADC and during data transfer. The ADS131A02 and ADS131A04 support data rates up to 128 kSPS. The complete analog front-end (AFE) solutions are packaged in a 32-pin TQFP package and are specified over the industrial temperature range of –40°C to +125°C.


IC Function:
Analogue Front End Device IC
Supply Voltage Min:
Supply Voltage Max:
IC Package Type:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 2 - 1 year
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

ADC Quad Delta-Sigma 128ksps 24-Bit Serial 32-Pin TQFP T/R

Avnet America product

Avnet Europe

ADC Quad Delta-Sigma 128ksps 24-Bit Serial 32-Pin TQFP T/R

Avnet Europe product

Texas Instruments

24-bit 128-kSPS 2-channel simultaneous-sampling delta-sigma ADC

Texas Instruments product