Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep the analog and digital signals separate. The datasheet provides a recommended layout and routing guide, but it's essential to follow good PCB design practices to minimize noise and ensure optimal performance.
To optimize the ADC's performance, consider the following: choose the correct clock frequency, adjust the input range and gain, select the suitable conversion mode, and optimize the digital filter settings. Additionally, ensure proper PCB layout, decoupling, and power supply noise reduction.
The ADS5281IPFP can handle input voltages up to 5.5V, but the recommended input range is 0V to 4.096V. Exceeding the maximum input voltage can damage the device.
The ADS5281IPFP has a latency of 2.5 clock cycles, and the throughput is dependent on the clock frequency. To handle latency and throughput requirements, consider using a FIFO or a buffer to store the converted data, and optimize the system's clock frequency and data transfer rate accordingly.
The ADS5281IPFP has a maximum junction temperature of 150°C. Ensure proper thermal management by providing adequate heat dissipation, using a heat sink if necessary, and avoiding high ambient temperatures.
ADS5281IPFP datasheet
by Texas Instruments
