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  • ADS1278-EP: Analog Input Common Mode Voltage Specification - Compatibility with AMC1350 Isolated FDA

    Part Number: ADS1278-EP Other Parts Discussed in Thread: THS4131 , , ADS1278 , AMC1350 , ADS127L18 Tool/software: I'm trying to lay out a circuit using the ADS1278-EP driven with an isolated fully differential amplifier (FDA) to isolate the low-voltage section…
    • Answered

  • THS4131: Stability

    Resolved
    Part Number: THS4131 Other Parts Discussed in Thread: THS4551 , THS4541 , OPA1632 Hi, I plan to use the THS4131 or similar fully differential amplifier to design a differential current source. I would like to know if I can get stability issues having a gain…
    • Resolved
    • Answered

  • THS2630: Problem with SPICE modeling for output common mode control.

    Resolved
    Part Number: THS2630 Other Parts Discussed in Thread: THS4131 , Tool/software: Hello, We have been using the THS4131 FDA is older designs and want to use the THS2630 going forward. We are using +/-15V supplies. The simple LTSpice model here shows that…
    • Resolved
    • Answered

  • THS2630: Need updated SPICE model

    Resolved
    Part Number: THS2630 Other Parts Discussed in Thread: THS4131 , Tool/software: Hello, I am using LTSPICE to evaluate the noise performance of the THS4131 vs. the THS2630. To verify the SPICE models for the parts I configure them for a gain of x1, in a…
    • Resolved

  • THS4131: much larger quiescent current over two general purpose op-amp?

    Part Number: THS4131 Other Parts Discussed in Thread: THS4561 , THS4531A Dear Mr./Ms. TI, Could you clarify why the quiescent current of fully-differential amplifier is much larger than two general-purpose op-amp? For example, the Icc(Q) of the THS4131…

  • LMH6505: Noise analysis for LMH6505/THS4131 OP

    Part Number: LMH6505 Other Parts Discussed in Thread: THS4131 , VCA820 Hi, We are using LMH6505 & THS4131(using these 2 chips for differential function, just use their noise data for analysis, not compare apple and apple)。 Seems that we found the LMH6505…
    • Answered

  • THS4131: Butterworth Filter Parameters

    Resolved
    Part Number: THS4131 Other Parts Discussed in Thread: , THS4551 Hello to everyone, We are a surgery robotic startup located in Italy. We are developping a robot that the surgeon can use during a surgery. We are looking for a fully differential amplifier…
    • Resolved
    • Answered

  • OPA1632: Which operational amplifier should I choose? OPA1632 or LME49724 or THS4131 or others?

    Resolved
    Part Number: OPA1632 Other Parts Discussed in Thread: THS4131 , , LME49724 My audio codec can output 2Vrms differential signal, but I want to get a 8Vrms differential signal to driver my 600ohm load. Which operational amplifier should I choose? OPA1632 or…
    • Resolved

  • THS4131: ~13Hz Oscillation on differential output when 2 THS4131 have the same negative input separated by resistor 2*Rg

    TI Thinks Resolved
    Part Number: THS4131 When configuring the THS4131 as depicted in Figure 30 in the THS4131 datasheet, we are able to see an amplified differential signal output with a gain of ~23, using resistor values Rg = 390 Ohms, Rf = 9 KOhms. When we place a second…

  • THS2630: Are spice models available for this part (THS2630)

    Part Number: THS2630 Other Parts Discussed in Thread: THS4131 , , TINA-TI I have a design that use the THS4131ID and this part is going obsolete and I am looking to replace it with new part THS2630 that is recommended on the THS4131 web page. I have purchased…

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