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  • OPA2991: Is OPA2991 the best Pin2Pin substitute for AD8642?

    TI Thinks Resolved
    Part Number: OPA2991 Other Parts Discussed in Thread: OPA4990 , OPA4991 , LMC6032 Hi TIer My customer is looking forward to AD8643's substitute. I find OPA2991 is the best pin2pin substitute IC . Is this right? or we have new IC. But the IBias is 10pA…
    • Answered

  • OPA2991: the resistor at output pin

    Resolved
    Part Number: OPA2991 Other Parts Discussed in Thread: TINA-TI , LM2902 , TMS320F28377D Dear expert My customer is using OPA2991. Below is the schematic they are using. Customer simulated the Bode plot with different resistor (at the output pin of U3) with…
    • Resolved

  • OPA2991: Input Bias Current over Temperature

    TI Thinks Resolved
    Part Number: OPA2991 Other Parts Discussed in Thread: OPA2171 , Hello TI, I am planning on using the OPA2991S in an upcoming project, and one of the specifications that is most critical for the design is input bias current. While these devices appear to…
    • Answered

  • OPA2991: Difference between OPA2991 and TLV9152

    Resolved
    Part Number: OPA2991 Other Parts Discussed in Thread: TLV9152 Hi team, What are the main differences between OPA2991 and TLV9152? Is TLV9152 just a 16V version of OPA2991? Regards, Ohashi
    • Resolved
    • Answered

  • OPA2991: SHDN Pull Down Resistor

    Resolved
    Part Number: OPA2991 Hello TI, Do you have any information for the value of the internal pull-down resistor on the SHDN pin on OPA2991S? I intend to use a simple P-Channel Mosfet to disable (pull-up) the SHDN pin(s), but I would like to be confident that…
    • Resolved

  • OPA2991-Q1: Please help provide Functional Safety Information of OPA2991-Q1

    TI Thinks Resolved
    Part Number: OPA2991-Q1 Hi, Please provide the Functional Safety FIT Rate and FMD manual of OPA2991-Q1. Functional Safety Information is required for functional safety FMEDA calculations. Thank you very much!

  • OPA2991: output 0-4V, when power supply is -+15V

    TI Thinks Resolved
    Part Number: OPA2991 Hi Expert, my customer has a OPA2991 application, which is power supply is -+15V, input is 0-2.5V, output will be 0-4V(max is 20mA). customer has concern that there will be large current loading and heat dissipation in the internal…

  • OPA2991: OPA2991

    TI Thinks Resolved
    Part Number: OPA2991 Hello Carolina, In the vidéo Troubleshooting Tips Op Amps - CMRR video for the procedure . Question1 If we download the document How to test CMRR on an amplifier page 6, can you explain to me that moving the supply and output…

  • OPA2991: OPA2991

    TI Thinks Resolved
    Part Number: OPA2991 Other Parts Discussed in Thread: TLV9102 , Hi What is the procedure to measure the CCMR of 130db on this amp? Thanks for your help

  • OPA2991: make a PCB with dual footprint compatible for VSSOP DGK 5x3mm and DCU 3x2mm?

    TI Thinks Resolved
    Part Number: OPA2991 Other Parts Discussed in Thread: OPA2171 , Team, Can a PCB be made compatible to either be fitted it with a OPA2991 VSSOP DGK 5x3mm or OPA2171 VSSOP DCU 3x2mm? The idea is to be able to place both footrprint on the same PCB side (DCU…

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