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About ADUM2250 I2C isolator logic level

Question asked by Tarzan on May 10, 2016
Latest reply on May 13, 2016 by MSCantrell

Hi there, I have concerns about connecting ADUM2250 with MCU device such as RL78.

In case of Vdd=3.3V for RL78(MCU), ADUM2250 VoL(0.9V) is higher than ViL(0.2*Vsupply,0.66V at 3.3V) for RL78

Please tell me if there are any good solutions to solve this concern?

 

The block is just following:

MCU(RL78@3.3V)----ADUM2250----MCU(RL78@3.3V)

 

Best regards,

Tarzan

 

 

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