• State Verified Answer
  • Replies 2 replies
  • Subscribers 5 subscribers
  • Views 332 views
  • Users 0 members are here
Options
Related

[ADuC7026]external Voltage reference device selection

sofy
  •  Analog Employees 
on Aug 21, 2015

Hello,

When I choose external reference for ADuC7026's ADC, which should I choose external Vref at the point of view about output current ?

I cannot find a specification of external reference on ADuC7026 (Rev.F) datasheet.

Thank you for your help in advance.

Best regards,

Sofy

Parents
  • 0
    •  Analog Employees 
    on Aug 21, 2015 4:17 AM

    As in the data-sheet specified - a external reference should be in the range from 0.625V to AVDD.

    As can be expected the output current to the Vref input isn't that big - so as a guidance you can start with the  ADR291 specifications- we placed on the evaluation-boards.

Reply
  • 0
    •  Analog Employees 
    on Aug 21, 2015 4:17 AM

    As in the data-sheet specified - a external reference should be in the range from 0.625V to AVDD.

    As can be expected the output current to the Vref input isn't that big - so as a guidance you can start with the  ADR291 specifications- we placed on the evaluation-boards.

Children
No Data