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OPT3001-Q1: Supply Current vs I2C Frequency

Part Number: OPT3001-Q1

Hello,

Would you please let me know more about  "Figure 18. Supply Current vs Continuous I2C Frequency"?

It does not seem the device is doing I2C communication, but only receiving series of pulse to SCL and SDA. (No output form the IC.)

Can I think the actual current consumption is lower than described in this figure when the frequency is the same?

Thanks.

Regards,

Oguri (TIJ automotive FAE)