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  • THS3121: New and alternative OPAMP parts

    Resolved
    Part Number: THS3121 Other Parts Discussed in Thread: THS3470 , THS3491 , , OPA891 , OPA2675 , OPA2891 , OPA691 Dear Team, we have a 10+ year old shematic that uses varius OPAMPS, we would like to select newer and better devices, please can you propose…
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    • Answered

  • THS3121: Improved driver for peltier (TEC)?

    Resolved
    Part Number: THS3121 Other Parts Discussed in Thread: OPA2677 , , TINA-TI , OPA2675 Tool/software: Hello, a while ago I discussed a driver for a small thermoelectric cooler ("TEC" or peltier element). The circuit was based on two inverting current-feedback…
    • Resolved

  • THS3121: Difference between simulation and reality

    Part Number: THS3121 Dear Sirs, I found a big difference in frequency response between the circuit simulated on TINA (I attach the schematic and AC analysis) and the measurements in the real circuit. In real circuit, after the flat band of 1MHz…
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  • RE: THS3121: Oscillations when THS3121 is used as voltage follower

    Resolved
    Hi Yatao, just noticed your layout. The blue traces to C89, C100 and C109, are these the only connections between the pins 7 of THS3121 and the decoupling caps? If yes, this would be a big mistake! The inductance of the blue traces is way too high for…
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  • THS3121: Short Circuit Protection

    Resolved
    Part Number: THS3121 Other Parts Discussed in Thread: THS3491 I'm trying to verify whether or not there is internal short circuit protection on the output of this opamp. We're using it for a pulse per second (20us PW) but there are requirements for short…
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  • THS3121: A small doubt about differential input voltage in absolute maximum ratings

    Resolved
    Part Number: THS3121 Dear TI expert, I have a little doubt about THS3121's differential input voltage in absolute maximum ratings, which is +-4V given in its datasheet, http://www.ti.com/cn/lit/ds/symlink/ths3121.pdf I just use 3121 with noninverting…
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  • THS3121: PROTECTION / CLAMP DIODES

    Part Number: THS3121 Hi All, can anyone please confirm if the opamp THS3121ID has any input protection diodes from positive & negative inputs to the supplies or any anti parallel diodes in between the input pins?

  • THS3121: Can this power op amp be used in unity gain mode (non-inverting)?

    TI Thinks Resolved
    Part Number: THS3121 Could anyone tell me if the THS3121 opamp can be used in unity gain (non-inverting) mode? In my application it oscillates; not due to layout problems. I don't need the high freq. response of this power op amp, but the built-in…
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  • THS3121 / OUTPUT VOLTAGE vs LOAD RESISTANCE under VS=±5V

    Resolved
    Other Parts Discussed in Thread: THS3121 Hi Team, My customer considers to use THS3121 for his application. He wants to get the graph "OUTPUT VOLTAGE vs LOAD RESISTANCE" under VS=±5V. *Figure 19 is under VS=±15V. Do you have the data (graph)? Best Regards…
    • Resolved

  • THS6042: ESD rating for part THS6042IDDA

    Part Number: THS6042 Other Parts Discussed in Thread: THS3121 Hello, I am looking for ESD rating data (HBM) for this specific part THS6042IDDA. Thank you Yannick

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