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DAC38RF82: External Reference

Hans
Genius 12865 points
Part Number: DAC38RF82

Hello Team,

the DAC38RF82 has a built-in reference voltage for the DAC core of 0.9V. The reference voltage can be measured on the pin EXTIO.

According to the datasheet, this pin is I/O. Is it possible to use an external 0.9V as reference voltage? What are the current drive requirements for an external reference to override the internal reference?

Thanks and Best Regards,

Hans