The recommended layout and routing for the ADS7886SBDBVT involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the analog input traces. Additionally, it is 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 ADS7886SBDBVT 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 reject common-mode noise.
The maximum sampling rate of the ADS7886SBDBVT is 1.5 MSPS (mega-samples per second). However, the actual sampling rate may be limited by the system clock frequency and the conversion mode.
The ADS7886SBDBVT does not require calibration. It has an internal calibration circuit that performs a self-calibration sequence during power-up. However, if the device is used in a system that requires calibration, an external calibration circuit can be implemented using the device's calibration pins.
The power consumption of the ADS7886SBDBVT depends on the operating mode and the clock frequency. In normal operation, the device consumes around 15 mW at 1.5 MSPS. In power-down mode, the device consumes around 10 μW.
ADS7886SBDBVT datasheet
by Texas Instruments
