The recommended power-up sequence is to apply VCC first, followed by AVCC, and then the analog input signal. This ensures proper operation and prevents damage to the device.
To minimize noise and ensure accurate conversions, keep the analog input traces short and away from digital traces, use a solid ground plane, and decouple the power supplies with capacitors. Additionally, use a low-ESR capacitor for the AVCC pin.
The maximum sampling rate of the ADS8344EB/2K5 is 100 kSPS. However, the actual sampling rate may be limited by the system's clock frequency, analog input bandwidth, and other factors.
The ADS8344EB/2K5 outputs data in binary format. The most significant bit (MSB) is the sign bit, and the remaining bits represent the magnitude of the converted value.
The REFOUT pin provides a buffered reference voltage output that can be used as a reference for other devices in the system. Connect a 0.1 μF capacitor from REFOUT to GND to filter the reference voltage.