stm32L051 Comparator input impedance

mailbox · ‎2016-03-23

Posted on March 23, 2016 at 15:11

Hello,

I'd like to monitor battery voltage (V~8volts) using comparator and voltage devider with two resistors (1-10M). Coud you please specify analog comparator input impedance, so i can select appropriate resistor value. I'd like to minimize ground current throught divider.

Thanks!

#stm32l1 #comparator

Radosław · ‎2016-03-23

Posted on March 23, 2016 at 16:30

Whit succes i use 5M impadance devider for comparator. Check in datasheet input leakage current.

mailbox · ‎2016-03-24

Posted on March 24, 2016 at 10:13

Thank you for reply, 5M is ok