Texas Instruments recommends a 4-layer PCB with a solid ground plane, and placing the ADS823E close to the analog signal sources to minimize noise. Additionally, it's recommended to keep the analog and digital grounds separate and connect them at a single point.
Optimizing the ADS823E's performance requires careful consideration of the input signal range, gain, and filtering. TI provides an ADS823E evaluation module and software tools to help engineers optimize the device's performance for their specific application.
The ADS823E can handle input voltages up to ±25V, but it's recommended to limit the input voltage to ±10V to ensure optimal performance and prevent damage to the device.
The ADS823E requires a two-point calibration process, which involves applying a known input voltage and adjusting the device's offset and gain to achieve accurate measurements. TI provides a calibration procedure in the device's datasheet and application notes.
The ADS823E has a typical noise floor of 10nV/√Hz, but noise performance can be affected by the PCB layout, component selection, and input signal quality. To minimize noise, use a low-noise power supply, keep the analog signal paths short, and use shielding and filtering as needed.
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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.
