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TL082: Non linearity closed at 0V input

Takeshi Sasaki
Expert 4480 points
Part Number: TL082
Other Parts Discussed in Thread: TL072,

Hi team,

I've simulated following schematic, and found 1.55V non linearity voltage at closed at 0V input. About 1.55V is reasonable value?

Best regards,

Takeshi Sasaki

  • 0
    TI__Guru*** 140026 points

    Hello Takeshi-san,

    The TL082 minimum input common mode range is 4V above (Vcc- pin). I'd expect poor linearity below 3.5V and phase (reversal) inversion near 1V. This effect can been seen the the TL072's (similar device) data sheet in section 8.3 (pages 29,30)