Hi,
On the datasheet of an IC which I am using suggests that a 10Kohms resistor is connected between the IC logic input and the MCU (please see attached diagram 1).
Now I decided to use an opto isolator, hence I have to connect another resistor with the collector (please see diagram 2).
In this case shell I remove the 10Kohms and replace a resistor with the same value to the collector? or it is best to divide the 10kohms between the two resistors?
On the datasheet of an IC which I am using suggests that a 10Kohms resistor is connected between the IC logic input and the MCU (please see attached diagram 1).
Now I decided to use an opto isolator, hence I have to connect another resistor with the collector (please see diagram 2).
In this case shell I remove the 10Kohms and replace a resistor with the same value to the collector? or it is best to divide the 10kohms between the two resistors?
Attachments
-
2.8 KB Views: 15
-
16.5 KB Views: 17