ADS1100EVM

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Analog-to-Digital Converters, commonly referred to as ADCs, convert physical, real-world signals like voltage and temperature into a digital representation. The ADS1100EVM is an Evaluation Board—also referred to as an Evaluation Module (EVM)—for Analog-to-Digital Converters (ADC) developed by Texas Instruments. The primary goal of this EVM is to provide a platform to explore the features and capabilities ofTIsADS1100 analog-to-digital converters.

TheADS1100EVM is unique in that it offers five different input ranges: 400 mV, 1.25 V, 2.5 V, 4.9 V, and 10 V. The boardalso provides two analog input channels. Together, these features enable the evaluation of the ADS1100s capability to accurately measure a broad range of analog signals. TheADS1100EVMalso provides ports for power, I2C communications, UART, and analog output.

TheADS1100EVMis designed to make it easy to evaluate theADS1100s performance. By connecting theADS1100EVMto a standard USB port, the user can easily access all the features of the board. Using theTI Grace GUI application that comes with the board, users can configure the board, measure analog signals, and view the results. Additionally, users can also capture and store data. This feature is especially useful when evaluating the performance of theADS1100 ADC over time.

TheADS1100EVMis powered by a TI TPS2590 digital DC-DC step down converter. This low-noise regulator ensures that theADS1100 remains consistent and reliable, even when taking measurements with varying power supplies. Additionally, this board also features a low-pass power supply filter, which helps reduce unwanted noise that may affect the ADC’s accuracy.

TheADS1100 EVMfeaturestwo analog input channels, with each channel capable of independently measuring between four voltage ranges: 400 mV, 1.25 V, 2.5 V, and 4.9 V. The two channels can be connected to various sources, such as temperature sensors, pressure sensors, or voltage sources. TheADS1100EVMis also designed to process signals with frequencies of up to 400 Hz.

In addition to measuring analog signals, the ADS1100EVM also provides an analog output for each channel. The user can use this port to measure the performance of the analog-to-digital converter. Additionally, the TI Grace GUI application can be used to configure the output range and power the output.

The ADS1100EVM is a useful tool for designers looking to evaluate the features and capabilities of the ADS1100 ADC. With its multiple input ranges and low-noise power supply, the ADS1100EVM can accurately measure a wide variety of signals. Additionally, the board includes ports for I2C, UART, and analog output, making it easy to use and configure. With its intuitive UI and its ability to capture and store data, the ADS1100EVM is an ideal tool for evaluating TIs ADS1100 analog-to-digital converter.

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