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  • RE: THS4121: Temperature range

    Hello David, Both the ti.com product page and datasheet for THS4121 have been updated. Note: the THS4121IDGKRG4 listing on the datasheet was not updated as this product is no longer orderable and is replaced by the THS4121IDGKR (which is updated). Best…
    • Answered

  • THS4121: THS4121 - Input Capacitance

    Resolved
    Part Number: THS4121 We currently need to model the THS4121 amplifier, nevertheless regarding its input stage the datasheet does not detail the common mode capacitance and the differential capacitance. On the other hand, it gives the Input Capacitance…
    • Resolved

  • THS4121: THS4121CD amplifier circuit

    Part Number: THS4121 I am using THS4121CD for one design. Input to opamp is from capacitive acoustic sensor. We require noise floor of 10 uVrms or better. But for current circuit we get noise floor of 100 uVrms. I want to know if there is problem with…

  • THS4121: Level differences in devices with specific marking

    Part Number: THS4121 Hi Team, One of my customers has the following issue. Can you help them out? We have used the IC mentioned in the subject several times on one board. Now problems in the application occurred with level differences. These problems occurred…

  • THS4121: Operating Temperature range

    TI Thinks Resolved
    Part Number: THS4121 When I read the data sheet of the THS4121 I can found two contradictory informations about the operating temperature range for the THS4121IDGK. At the top, I can read -40/85°C. In the ordering section, I can read 0/70°C only for…
    • Answered

  • RE: THS4121: THS4121 TINA circuit question

    Resolved
    Hi Rohit, Thanks for your support. The customer select "Zero initial values" for transient analysis. I use the Tina file that you send to do the transient analysis and select "Zero initial values". Then the simulation result exist …

  • THS4121: The output of THS4121

    Part Number: THS4121 Dears， Customer tests op-amp THS4121 input and output, no output is detected. Vin=±3mv Vocm=1.65v ，Could you help to check it?

  • TINA/Spice/THS4121: Output Error Larger Than Input Offsets

    TI Thinks Resolved
    Part Number: THS4121 Other Parts Discussed in Thread: TINA-TI , Tool/software: TINA-TI or Spice Models Hi. I'm trying to use the THS4121 in a transimpedance amplifier application. In PSPICE I'm seeing output error that exceeds the input offset values.…

  • TINA/Spice/THS4121: Vocm Impacts Differential Output Peak-Peak Value

    TI Thinks Resolved
    Part Number: THS4121 Other Parts Discussed in Thread: TINA-TI , Tool/software: TINA-TI or Spice Models I'm modeling a THS4121 as a differential-in and differential-out amplifier. I have a gain of 12. Why, when I increase Vocm do I see an increase in the…
    • Answered

  • TINA/Spice/THS4121: Specification indicates open-loop gain of 66dB. What is the bandwidth for which this gain is valid?

    Resolved
    Part Number: THS4121 Other Parts Discussed in Thread: TINA-TI , Tool/software: TINA-TI or Spice Models I'm trying to use the THS4121 in a differential transimpedance application. The required bandwidth is less than 100 kHz, but I require much more gain…
    • Resolved

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