The recommended layout and routing for the ADS8887IDGSR 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 ADS8887IDGSR in noisy environments, use a low-pass filter on the analog input, use a shielded cable for the analog input, and consider using a common-mode filter or a differential amplifier to reduce common-mode noise. Additionally, use a low-noise power supply and consider using a ferrite bead or a choke to reduce high-frequency noise.
The maximum sampling rate of the ADS8887IDGSR 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 ADS8887IDGSR 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 done using the SPI interface and the device's calibration registers.
The power consumption of the ADS8887IDGSR depends on the operating mode and the clock frequency. In normal operation, the device consumes around 35 mW at 1 MSPS. In power-down mode, the device consumes around 10 μW.
ADS8887IDGSR datasheet
by Texas Instruments
