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SN74CB3Q16245: SN74CB3Q16245 input/output voltage

Arthur Huang
Expert 6065 points

Part Number: SN74CB3Q16245

Hi Team,

customer is evaluating the SN74CB3Q16245 device and they want to check with product team if they can use this device for input: 2.2V and keep 3.3V output. Can it be achieve by using this device? Please advise. Thanks.

Regards,

Arthur

  • 0
    TI__Intellectual 2900 points

    Hi Arthur, 

    Please correct me if my understanding is not aligned with your thought. 

    You are looking for analog/digital input as 2.2V, while you want the output voltage level shifts to 3.3V. 

    Below is one typical analog switch architecture. You can tell the input A and output B are shorted when the channel is enabled. In other words, the output B will follow what the voltage is present at input A. Therefore, voltage level shifting feature is not accommodated by SN74CB3Q16245