The recommended power-up sequence is to apply VCC first, followed by AVCC, 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 stable and low-noise reference voltage, keep the analog input voltage within the specified range, and minimize noise on the digital inputs. Additionally, consider using a voltage reference buffer and a low-pass filter to further improve accuracy.
The maximum output current of the DAC8832 is 5mA. Exceeding this current may cause the output voltage to droop or the device to overheat. If higher output currents are required, consider using an external op-amp or buffer.
During power-down or reset, it's recommended to keep the digital inputs in a high-impedance state or pull them low to prevent unwanted output voltage transitions. This ensures that the DAC output remains stable and doesn't cause any system disturbances.
The thermal impedance of the DAC8832's QFN package is typically around 30°C/W. This information is essential for thermal management and heat sink design to prevent overheating and ensure reliable device operation.
DAC8832IBRGYR datasheet
by Texas Instruments
