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Visitor II
April 30, 2024
Question

TL062 Pspice model

  • April 30, 2024
  • 2 replies
  • 1486 views

Hi everyone,

I am working on a LTSPICE model for TL062 

I think maybe you can help me :)

This is the schematic diagram is the datasheet :

fru999_0-1714486095109.png

and this is my spice model 

fru999_2-1714486206089.png

To test if my amplifier is working i am trying the basic utilisation for OpAmp : 

fru999_3-1714486250161.png

So I connected Vcc+-, Vout with - and put an input voltage 

fru999_1-1714486147052.png

This is my result :

fru999_4-1714486342632.png

 

I don't understand why it gives me this 

 

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    2 replies

    Super User
    April 30, 2024

    Hi,

    why ..? model from Ti not good ? https://www.ti.com/lit/zip/sloj066

    +

    You Q19 is not , whats in the basic circuit . (double collector pnp)

    Try connect its collector to J1 (NOT the basis ). Maybe works - check currents.

    Or use 2x pnp in parallel, except collectors - to come close to a double collector pnp (only on chip possible).

    fru999Author
    Visitor II
    May 6, 2024

    It is not good because it does not have the same caracteristics

    It tried with a 2x pnp but it is worse ...