The recommended power-on sequence is to apply VCC first, followed by VREF, and then the analog and digital inputs. This sequence helps prevent latch-up and ensures proper device operation.
To optimize the analog input filter design, use a low-pass filter with a cutoff frequency of around 10 kHz to 20 kHz to remove high-frequency noise and aliasing. A simple RC filter or a more complex active filter can be used, depending on the specific application requirements.
The recommended clock frequency is 256 fs (where fs is the sampling frequency), and the clock jitter tolerance is ±50 ppm. It's essential to use a high-quality clock source to ensure accurate conversion and minimize jitter-induced errors.
The PCM1704U-K outputs data in a 24-bit, MSB-first, two's complement format. Ensure that the receiving device is configured to accept this format and alignment to avoid data corruption or misinterpretation.
The PCM1704U-K has a maximum junction temperature of 150°C. Ensure good thermal conductivity between the device and the PCB, and consider using thermal vias, heat sinks, or other thermal management techniques to maintain a safe operating temperature.
PCM1704U-K datasheet
by Texas Instruments
