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  • OPAMP-NOISECALC: Input bias current of TINA-TI model for op-amp OPA145

    Part Number: OPAMP-NOISECALC Other Parts Discussed in Thread: OPA145 , TINA-TI Dear TI Experts, We are trying to use the OPA145 as an non-inverting unity gain buffer to feed the input of an integrating ADC. The input voltage range is DC +10V to -10V…

  • OPA145: Date Code

    TI Thinks Resolved
    Part Number: OPA145 Tool/software: Hello, can you please help us with the Date Code? The marking is 31K - see below picture.

  • OPA145: Alternative to OPA124

    Other Parts Discussed in Thread: OPA328 , OPA320 , OPA145 , OPA196 , LMP7701 , OPA191 Tool/software: Hi, I found the thread below about alternatives to OPA124. https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1020810/opa124…

  • OPA145: OPA145

    TI Thinks Resolved
    Part Number: OPA145 Hello, I would like to have voltage subtractor without using OPAMP. In the circuit attached below the voltage difference across A and B is 21V with point A=15V and point B=-6V. I want to develop a circuit that will have a voltage…

  • OPA145: OPA145

    TI Thinks Resolved
    Part Number: OPA145 Other Parts Discussed in Thread: OPA140 , TINA-TI Hello, I am trying to simulate an analog circuit with OPAx145 OPAMP. I have used the TSM file of OPA145 , however I am not getting the desired resut during DC analysis as well as…
    • Answered

  • OPA145: Question about NC pins

    Resolved
    Part Number: OPA145 Tool/software: Hello team, Can NC pins(1, 5, 8) be connected to GND? I believe it could be possible, but can you double check there is no wire bonded to the die? Best Regards, Austin
    • Resolved

  • OPA145: Random voltage at the Input and output of OPA145 when Input pin is floating

    TI Thinks Resolved
    Part Number: OPA145 Other Parts Discussed in Thread: TMUX6208 , OPA140 Hi, We have a circuit consisting of a OPAMP (OPA145) and AMUX (TMUX6208). The input of the OPAMP is connected to a mother-board test point. When there is no voltage from the mother…
    • Answered

  • OPA145: OPA145 behavior

    Resolved
    Part Number: OPA145 Hello, i got the OPA145 recommended from the TI team for biosignal processing. We used the amplifier as a voltage follower. we supplied the part with +6.6V and -3.3V (originally we wanted to use +-3.3V but then we found this forum…
    • Resolved

  • OPA145: OPA145 out put voltage required

    TI Thinks Resolved
    Part Number: OPA145 Hi Texas team, in OPA124UA is obsolete and texas suggest replacement is OPA145 but in OPA124UA output voltage mention 12 V and OPA145 output voltage mention " out put voltage swing from rail " = 250mV i need the output voltage…
    • Answered

  • OPA145: OPA145 output swing

    Resolved
    Part Number: OPA145 Hi, do you know why the U2 in this circuit does not buffer the 2,9 Volts at +5Volts on the supply (see attached)? Thanks a lot for your help. Sebastien op amp.TSC
    • Resolved

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