The maximum output current of the DAC8551 is 5mA per channel. However, it's recommended to limit the output current to 3mA per channel to ensure accurate voltage output and to prevent overheating.
To ensure accurate voltage output from the DAC8551, make sure to use a stable and low-noise power supply, decouple the power supply pins with capacitors, and use a low-impedance output load. Additionally, consider using an external voltage reference if the internal reference is not sufficient for your application.
The settling time of the DAC8551 is typically around 10μs to 15μs, depending on the output voltage and load conditions. However, this can vary depending on the specific application and layout. It's recommended to consult the datasheet and application notes for more information.
Yes, the DAC8551 can be used with a single supply voltage. However, the output voltage range will be limited to 0V to VCC-1.4V. If you need a bipolar output voltage range, you'll need to use a dual supply voltage.
To program the DAC8551 using SPI, you'll need to send a 16-bit command word to the device. The command word consists of a 4-bit command code, a 6-bit address, and 6 bits of data. Consult the datasheet and application notes for more information on the SPI protocol and command codes.
DAC8551IDGKRG4 datasheet
by Texas Instruments
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