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DAC8831-EP: Vref inquiry

Part Number: DAC8831-EP

Hello Team,

Good day. My Customer wanted to know if what will be the result if he supplied Vref above Vdd? The Vref specified between 1.25V and VDD in electrical characteristics. They wanted to know if the component is stressed if I supply above (during reference transient for example).

Are there protection diodes to VDD at the Vref inputs?

Regards, 

Renan

  • Hi Renan,

    There are ESD diodes on VREF to VDD, so they would start to conduct as the VREF > VDD.  I recommend you use a large capacitor on the VREF pin to help suppress the transients.

    Thanks,

    Paul