The recommended power-up sequence is to apply VCC first, followed by VREF, and then the digital inputs. This ensures proper device operation and prevents potential latch-up conditions.
To ensure accurate voltage output, it's essential to use a low-noise, low-impedance voltage reference (VREF) and to decouple the VREF pin with a capacitor. Additionally, use a stable clock signal and ensure the DAC is operated within its specified temperature range.
The DAC101C081 supports clock frequencies up to 40 MHz. However, the maximum clock frequency may vary depending on the specific application and system constraints.
To ensure proper synchronization and data alignment, use a common clock signal for all devices, and align the data transmission with the clock signal. Additionally, consider using a synchronization signal or a data-ready signal to ensure proper data alignment.
To minimize noise and ensure signal integrity, use a multi-layer PCB with a solid ground plane, and route the analog and digital signals separately. Keep the analog signals away from the digital signals, and use shielding or guard rings to minimize noise coupling.
DAC101C081CISD/NOPB datasheet
by Texas Instruments
