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PCA9306 Question about VREF

Other Parts Discussed in Thread: PCA9306

I have a question about VREF on PCA9306.

 

 On my application, VREF is specified as follows; 

(1) VREF1=1.8V, VREF2=3.3V

 

However, It needs to be work applied voltage only on VREF1 due to an application issue. 

(2) VREF1=1.8V, VREF2=0V, EN=0V

I2C bus does not work on above (2), and it is no problem. 

 

I understand it works on above (2) without malfunction.  Is that right?

 

Regsrds,

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