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What is the range of value of pull up resistor for LiS3DH for open drain outputs and how can we find the range?

RRain.1
Associate II

10K Pull up is mentioned in the data sheet

5 REPLIES 5
Eleon BORLINI
ST Employee

Hi @RRain.1​ ,

did this thread solved your issue?

Typically, I2C lines pull-ups range from 1kOhm to 40kOhm. 101kOhm is about in the center of this range. It's mostly related to the driving capability of the I2C pins.

-Eleon

RRain.1
Associate II

I want to know the resistor value in kilo ohms but the value you mentioned is in kHz.

Please clarify.

Sorry wrong unit measure from my side

RRain.1
Associate II

How 1 - 40 K range is obtained?

You might refer to documents like this.

But in general the valued are determined at application level.

-Eleon