The recommended layout and routing for the ADS8509IDWR involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the analog input traces. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog power plane and a dedicated digital power plane.
To optimize the performance of the ADS8509IDWR in noisy environments, use a low-pass filter at the input, use a shielded cable for the analog input, and consider using a common-mode filter. Additionally, ensure that the analog and digital grounds are separated and that the digital noise is not coupled into the analog circuitry.
The maximum sampling rate of the ADS8509IDWR is 250 kSPS. However, the actual sampling rate may be limited by the system's clock frequency, the analog input frequency, and the digital output data rate.
The ADS8509IDWR does not require calibration. It has an internal calibration circuit that ensures accurate conversions. However, the device may require an external voltage reference, which should be calibrated according to the manufacturer's specifications.
The power consumption of the ADS8509IDWR depends on the operating frequency, voltage supply, and other factors. Typically, the device consumes around 15 mW of power when operating at 250 kSPS with a 5V supply voltage.
ADS8509IDWR datasheet
by Texas Instruments
