Texas Instruments provides a recommended layout and routing guide in the ADS7883SDBVR evaluation module user's guide (SLAU445). It's essential to follow this guide to ensure proper operation and minimize noise and interference.
The ADS7883SDBVR requires a high-speed clock input, which can be challenging to handle. It's recommended to use a clock buffer or a dedicated clock generator to ensure a clean and stable clock signal. Additionally, the clock signal should be routed as a differential pair to minimize noise and jitter.
The ADS7883SDBVR has a high-impedance analog input, which makes it sensitive to noise and interference. It's recommended to use a low-pass filter or a band-pass filter to remove high-frequency noise and aliasing. The filter design should be optimized for the specific application and signal frequency range.
The ADS7883SDBVR requires a stable power supply and proper decoupling to ensure reliable operation. It's recommended to use a low-noise power supply, and to decouple the power pins with a combination of ceramic and electrolytic capacitors. The decoupling capacitors should be placed as close as possible to the power pins.
The ADS7883SDBVR has a maximum sampling rate of 1 MSPS, but this can be limited by the system clock frequency, the analog input signal bandwidth, and the digital interface speed. The actual sampling rate may be lower depending on the specific application and system design.