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 latch-up.
To ensure accurate voltage output, it is essential to use a stable and low-noise voltage reference, and to decouple the AVCC and VCC pins with suitable capacitors. Additionally, the output voltage should be buffered with an op-amp if it needs to drive a load.
The DAC8802IPW can handle clock frequencies up to 50 MHz. However, the maximum clock frequency may be limited by the specific application and the quality of the clock signal.
To implement a bipolar output voltage range, you can use an external amplifier to invert and scale the output voltage. Alternatively, you can use a voltage translator or a level shifter to shift the output voltage range.
The DAC8802IPW's performance is affected by temperature, with the output voltage and current changing by ±1% over the operating temperature range of -40°C to 125°C. It is essential to consider temperature effects when designing the application.
DAC8802IPW datasheet
by Texas Instruments
