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Texas Instruments Evaluation Module Kit | New Product Brief

September 28, 2019 by Mouser Electronics

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.

Texas Instruments Evaluation Module Kit

Texas Instruments’ ADS125H02EVM is designed to demonstrate the space-saving and high-accuracy ADS125H02 ADC. The ADS125H02 is a ±20V Delta-Sigma ADC with a low-noise programmable gain amplifier, internal reference, clock oscillator, and out-of-range monitoring. 

This level of integration simplifies layout and reduces board area by up to 50%, compared to a more discrete design. A TI processor is used to communicate with the ADC over SPI and the host PC over USB.

Onboard regulators and LDOs are used to derive analog, digital, and ±15V rails from USB power. The high-voltage can also be supplied externally.

Designers can use the ADS125H02EVM with TI’s Delta-Sigma ADC EvaluaTIon Software to easily acquire data and manipulate registers to quickly evaluate the ADS125H02 ADC.

  • ADS125H02 ±20V Delta-Sigma ADC
    • 2-channel, 40ksps, 24-bit
    • Integrated low-noise PGA and voltage reference
  • ADC integration reduces board area by up to 50% vs discrete solution
  • TI TM4C1294NCPDT Processor for communication between ADC and PC
  • Digital, analog, and high-voltage supplies derived from USB power
  • Option to supply high-voltage supply externally
    • ±5V to ±18V or 10V to 36V
  • Delta-sigma ADC EvaluaTIon software enables quick configuration and analysis

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