The recommended layout and routing for the ADS8867IDGSR 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 important to keep the analog and digital power supplies separate and to use decoupling capacitors to reduce noise.
To optimize the performance of the ADS8867IDGSR in a noisy environment, use shielding, filtering, and grounding techniques to reduce electromagnetic interference (EMI). Additionally, use a low-pass filter at the input to reduce high-frequency noise, and consider using a ferrite bead or a common-mode choke to filter out high-frequency noise.
The maximum sampling rate of the ADS8867IDGSR is 1 MSPS (million samples 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 ADS8867IDGSR has an internal calibration circuit that can be used to calibrate the device. The calibration process involves applying a known input voltage and then adjusting the internal calibration registers to achieve the desired accuracy. The calibration process can be performed using the SPI interface.
The power consumption of the ADS8867IDGSR depends on the operating mode and the clock frequency. In normal operation, the device consumes around 35 mW of power. In power-down mode, the device consumes around 10 μW of power.
ADS8867IDGSR datasheet
by Texas Instruments
