Low current (120uA) in potential divider means noise problems?

[treez]

Hello,

I am using the MCP4018T-502E digital pot to divide a voltage of 0.6V. (The 0.6V comes from a ZXRE160 , 0.6V reference)

The digital pot has a total resistance of 5K, so theres only going to be 120uA in its resistance.

Due to this low current, do you think the divide point voltage will be noisy?

(I will be feeding the divided voltage into the "LD" pin of the HV9910B LED driver (its a comparator input).


Will it be noisy, and if so, can i just add more and more capacitance to the voltage (to ground) until the noise problem goes.?

 

[picgak]

Hi,
If you are feeding the output to comparator input there wont be any problem. if at all any problem you can remove it by connecting a .1uf capacitor from that point to ground
regards ani