The recommended layout and routing for the ADS7866IDBVR 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 ADS7866IDBVR 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. Additionally, ensure that the analog and digital grounds are properly separated and that the power supply is well-regulated.
The maximum sampling rate of the ADS7866IDBVR is 250 kSPS (kilosamples per second). However, the actual sampling rate may be limited by the system's clock frequency, the analog input bandwidth, and the digital interface.
The ADS7866IDBVR does not require calibration. It has an internal calibration circuit that performs a self-calibration sequence during power-up. However, the user may need to perform an external calibration depending on the specific application requirements.
The power consumption of the ADS7866IDBVR depends on the operating mode and the clock frequency. In normal operation, the typical power consumption is around 15 mW at 3.3 V and 10 MHz clock frequency. In power-down mode, the typical power consumption is around 10 μW.
ADS7866IDBVR datasheet
by Texas Instruments
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