This user's guide describes the characteristics, operation, and use of the ADS131B04-Q1 evaluation module (EVM). This kit is an evaluation platform for the ADS131B04-Q1, which is a 4-channel, simultaneously-sampling, 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC). The ADS131B04-Q1 offers wide dynamic range and internal calibration features, making the device excellent for energy metering, power quality, protection relay, and circuit breaker applications.
The ADS131B04-Q1EVM eases the evaluation of the device with hardware, software, and computer connectivity through the universal serial bus (USB) interface. This user's guide includes complete circuit descriptions, schematic diagrams, and a bill of materials. Throughout this document, the abbreviation EVM and the term evaluation module are synonymous with the ADS131B04-Q1EVM. The following related documents are available through the Texas Instruments web site at www.ti.com.
Device | Literature Number |
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ADS131B04-Q1 | SBASA31 |
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The ADS131B04-Q1EVM is a platform for evaluating the performance of the ADS131B04-Q1, which is a 4-channel, simultaneously-sampling, 24-bit, ΔΣ ADC. The evaluation kit includes the ADS131B04-Q1EVM board and the precision host interface (PHI) controller board that enables the accompanying computer software to communicate with the ADC over the USB for data capture and analysis.
The ADS131B04-Q1EVM board includes the ADS131B04-Q1 ADC and all the peripheral analog circuits and components required to extract optimum performance from the ADC.
The PHI board primarily serves three functions:
The ADS131B04-Q1 evaluation module kit includes the following features:
Figure 1 illustrates an example system setup for evaluation.