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.
Use the internal calibration feature of the ADS1000A0QDBVRQ1, which can be enabled through the CAL_EN pin. The device will automatically adjust the gain and offset to optimize performance.
Power up the device in the following sequence: AVDD, DVDD, and then CLK. This ensures that the analog and digital power supplies are stable before the clock is applied.
Use a buffer amplifier or a low-impedance output stage to drive the output of the ADS1000A0QDBVRQ1. This will ensure that the output signal is not loaded down and remains stable.
The recommended clock frequency for the ADS1000A0QDBVRQ1 is between 1 MHz and 20 MHz. However, the optimal clock frequency may vary depending on the specific application and requirements.
ADS1000A0QDBVRQ1 datasheet
by Texas Instruments
Findchips
