The ADS7804UB requires careful layout and routing to minimize noise and ensure accurate conversions. TI recommends using a 4-layer PCB with a solid ground plane, keeping analog and digital traces separate, and using a common mode filter to reduce noise.
The ADS7804UB outputs 16-bit data in two's complement format. The most significant bit (MSB) represents the sign bit, and the remaining 15 bits represent the magnitude. You can use a microcontroller or FPGA to process the output data.
The ADS7804UB can operate with a clock frequency between 1 MHz and 4 MHz. However, TI recommends using a clock frequency of 2.4576 MHz for optimal performance.
The ADS7804UB does not require calibration. It has an internal calibration circuit that ensures accurate conversions. However, you may need to perform system-level calibration depending on your specific application.
The ADS7804UB has a power-on reset (POR) circuit that resets the device when the supply voltage rises above 1.5 V. The POR circuit ensures that the device starts in a known state after power-up.
ADS7804UB datasheet
by Texas Instruments
