ADS823E datasheet by Texas Instruments

ADS823E Frequently Asked Questions (FAQs)

• What is the recommended layout and placement for the ADS823E?
  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.
• How do I optimize the ADS823E's performance for my specific application?
  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.
• What is the maximum input voltage that the ADS823E can handle?
  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.
• How do I calibrate the ADS823E for accurate measurements?
  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.
• What is the ADS823E's noise performance, and how can I minimize noise in my design?
  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.