Texas Instruments provides a recommended PCB layout in the XADS7128IRTER datasheet (section 10.1) and in the XADS7128IRTER Evaluation Module User's Guide (SLAU445). It's essential to follow these guidelines to minimize noise, ensure proper signal routing, and optimize performance.
The XADS7128IRTER has multiple ADC modes, including continuous conversion, single-shot conversion, and burst mode. Configuration is done through the device's registers, which are described in the datasheet (section 7). You can use the TI-provided software development kit (SDK) or write your own code to configure the device according to your application's requirements.
The maximum sampling rate for the XADS7128IRTER is 12.5 MSPS (mega-samples per second). To achieve this rate, you need to configure the device in continuous conversion mode, use an external clock source, and ensure that the input signals are properly filtered and conditioned. Refer to the datasheet (section 7.3) for more information on sampling rate configuration.
The XADS7128IRTER has built-in POR and BOR features to ensure proper device operation during power-up and power-down sequences. To handle these features, you need to ensure that your system design includes a proper power-up sequence, and that the device is properly reset after a power failure. Refer to the datasheet (section 6.3) for more information on POR and BOR operation.
To ensure optimal performance, it's essential to properly condition and filter the input signals to the XADS7128IRTER. This includes using anti-aliasing filters, signal amplifiers, and impedance matching networks. Texas Instruments provides guidelines for input signal conditioning in the datasheet (section 9) and in application notes such as SLAA544.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
