The recommended power-up sequence is to apply VCC first, followed by AVCC, and then the digital inputs. This ensures that the internal voltage regulators are powered up correctly.
To ensure accurate voltage output, it is essential to use a high-quality voltage reference, such as the Texas Instruments REF5025. Additionally, the DAC7718 requires a stable power supply, and the output voltage should be filtered using a low-pass filter to reduce noise.
The maximum output current of the DAC7718 is 5mA. Exceeding this current limit can cause damage to the device or affect its accuracy.
The DAC7718 can be interfaced with a microcontroller using a serial interface, such as SPI or I2C. The specific interface protocol depends on the microcontroller and the application requirements. Texas Instruments provides example code and application notes to facilitate the interface design.
The DAC7718 is specified to operate over a temperature range of -40°C to 125°C. However, the device's accuracy and linearity may be affected at extreme temperatures.
DAC7718SRGZT datasheet
by Texas Instruments
