Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep analog and digital signals separate. Use short, direct traces for analog signals, and avoid crossing digital signals over analog signals. Also, decouple the power supply with a 10uF capacitor and a 100nF capacitor in parallel.
Optimize the ADC's performance by selecting the correct gain, offset, and sampling rate for your application. Use the ADS8688AIDBTR's built-in calibration feature to minimize gain and offset errors. Also, consider using an external reference voltage and a low-pass filter to reduce noise.
The maximum sampling rate of the ADS8688AIDBTR is 500 kSPS. However, the power consumption increases with the sampling rate. At 500 kSPS, the power consumption is approximately 35 mW. To reduce power consumption, consider using a lower sampling rate or enabling the ADC's power-down mode when not in use.
The ADS8688AIDBTR has a parallel interface that can be easily interfaced with a microcontroller or FPGA. Use a 16-bit or 18-bit bus to connect the ADC to the microcontroller or FPGA. Ensure that the interface signals are properly synchronized and that the data is read correctly.
Decouple the power supply with a 10uF capacitor and a 100nF capacitor in parallel, placed as close to the ADC as possible. Additionally, use a low-pass filter with a cutoff frequency of around 10 MHz to filter out high-frequency noise.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
ADS8688AIDBTR Overview
Use the download button to access the ADS8688AIDBTR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like ADS86,
or try a keyword search, such as Analog to Digital Converters
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.
