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TLV3201: Phase inversion

Part Number: TLV3201

Hi,

My customer has phase inversion issue.
Please see the attached file which is detail of this issue.

Q1 : Datasheet shows that Signal input pins of Absolute Maximum Ratings is -0.5V~(Vcc)+0.5V.
        Can we input negative voltage to -IN and +IN? My customer input negative voltage to +IN pin.

Q2 : Could you let me know advice for the cause of this issue, please?

TLV3201.pptx

Best regards,
Shimizu

  • Shimizu-san

    Thanks for sharing the schematic and waveform. Do the y-axis values apply for the output and input waveforms? If so, those input voltages go way beyond abs max. Plus abs max is meant to be the limit where damage to the device can occur. The warranted operating range for both input pins is up to 200mV  beyond the rails.

    Chuck