Texas Instruments provides a layout and routing guide in the application note SLAA554, which recommends keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the analog input traces.
The ADS7818E/250G4 has an internal calibration circuit that can be used to calibrate the device. The calibration process involves writing specific values to the calibration registers, and then performing a self-calibration cycle. The details of the calibration process are provided in the datasheet and the application note SLAA555.
The maximum sampling rate of the ADS7818E/250G4 is 250 kSPS. The power consumption of the device increases with the sampling rate, and the maximum power consumption is specified in the datasheet. However, the actual power consumption can be lower depending on the specific application and the sampling rate used.
The ADS7818E/250G4 has a serial interface that can be used to communicate with a microcontroller or FPGA. The recommended communication protocols are SPI or I2C, and the datasheet provides details on the interface timing and protocol requirements.
The ADS7818E/250G4 has a maximum junction temperature of 125°C, and the device's performance and reliability can be affected by high temperatures. Thermal management considerations include providing adequate heat sinking, using a thermally conductive PCB material, and minimizing the power consumption of the device.
ADS7818E/250G4 datasheet
by Texas Instruments
