The recommended layout and routing for the ADS7863IDBQR involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the analog input traces. It's also 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 ADS7863IDBQR in noisy environments, use a low-pass filter at the analog input, use a shielded cable for the analog input, and consider using a common-mode filter or a differential amplifier to reduce noise. Additionally, ensure that the analog and digital grounds are properly separated and decoupled.
The maximum sampling rate of the ADS7863IDBQR is 250 kSPS (kilosamples per second) for a single channel, and 125 kSPS for multiple channels.
The ADS7863IDBQR has an internal calibration circuit that can be used to calibrate the device. The calibration process involves applying a known input voltage to the device and then using the calibration circuit to adjust the device's gain and offset. The calibration process can be performed using the device's internal calibration registers.
The power consumption of the ADS7863IDBQR depends on the operating mode and the sampling rate. In normal operating mode, the device consumes around 15 mW of power. In power-down mode, the device consumes around 10 μW of power.
ADS7863IDBQR datasheet
by Texas Instruments
