Search tips
Showing 19 results View by: Thread Post Sort by

  • OPA2891: OPA2891's -VCC pin shorts to GND when connected to a -15V supply and current draw verification

    Part Number: OPA2891 Other Parts Discussed in Thread: THS4032 Hi, I have a current amplifier circuit designed using THS4032. We later replaced it with OPA2891 (purely related to availability issues, not related to performance). We have observed the…
    • Answered

  • OPA2891: difference in temperature rise

    Resolved
    Part Number: OPA2891 Other Parts Discussed in Thread: OPA2156 , Hi, Why does the IC temperature rise more easily with OPA2891 than with OPA2156 (both SOIC packages)? Using the same circuit, I input a 25kHz square wave at ±5V. (The power supply is…
    • Resolved

  • OPA2891: balancing supercapacitor, help with design

    Part Number: OPA2891 Other Parts Discussed in Thread: OPA567 Tool/software: Hello dear members of the team, i need to design a supercapacitor balancing circuit, i have 8 supercaps in series and i would like to balance it with operational amplifiers…
    • Answered

  • OPA2891: Pspice model request

    Resolved
    Part Number: OPA2891 Other Parts Discussed in Thread: THS4032 , OPA891 , TINA-TI Tool/software: Hello, I would like to request a Pspice file for this op amp unless it is similar enough to the THS4032 opamp device. Thanks.
    • Resolved
    • Answered

  • OPA2891: Crosstalk, asymmetry between channels (datasheet figure 5-21)

    Resolved
    Part Number: OPA2891 Other Parts Discussed in Thread: OPA891 , OPA892 Tool/software: I am considering using OPA2891 for a high-speed servo (dc to100 MHz, but with the OPAx891 being mostly responsible for the signal component at or above about ~10 MHz…
    • Resolved

  • OPA2891: Clock Distribution for the ground based application system

    TI Thinks Resolved
    Part Number: OPA2891 Other Parts Discussed in Thread: CDCLVC1310 , BUF802 , OPA856 Tool/software: Hi, Can i use for the clock distribution for a ground based system. Here my input is 10MHz reference clock with 0-15dBm level. My requirement is i need…

  • OPA2891: Low cost low noise input amplifier suggestion

    Answer Suggested
    Part Number: OPA2891 Other Parts Discussed in Thread: OPA891 Tool/software: Dears, Customer want to find low noise input amplifier (<1nV/hz) ,I find OPA2891/2892 can meet this request. But customer said that the price of OPA2891/2892 is too high, he…

  • THS4062: THS4062 Recommended Replace has Low Slew Rate

    Part Number: THS4062 Other Parts Discussed in Thread: OPA2891 I need to replace the THS4062ID due to obsolence. The TI webtool recommends the OPA291DR but this part has only 1/4 of the slew rate. It the THS4062CDR a good alternative? It seems to have…

  • TPS65131-Q1: Power for audio op amp

    Part Number: TPS65131-Q1 Other Parts Discussed in Thread: OPA2891 , OPA1633 , , TPS7A39 Tool/software: Can we use TPS65131-Q1 alone to power two OPA2891 and four OPA1633? Can we use 5V input and +/- 15V outputs from TPS65131-Q1 directly, or is it better…

  • OPA891: TINA-TI - Hybrid Topology Open Loop Sims

    Part Number: OPA891 Other Parts Discussed in Thread: JFE2140 , OPA2891 Tool/software: Hello, I have a hybrid differential amplifier topology using the JFE2140 and dual package OPA2891 amplifier. I am trying to simulate some stability analysis but am running…

Didn't find what you are looking for? Post a new question.