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  • OPA4991-Q1: Short circuit current duration

    Resolved
    Part Number: OPA4991-Q1 Tool/software: The datasheet for OPAx991-Q1 lists the short circuit current (Isc) as ±75mA. Does anyone know if running up to that current will degrade or damage the IC? And a step further, Can the device run long term at anything…
    • Resolved

  • OPA4991-Q1: The approximate range of the number of transistors

    TI Thinks Resolved
    Part Number: OPA4991-Q1 Other Parts Discussed in Thread: LM2902BA-Q1 , OPA4991 Tool/software: Hi Ti teams, I would like to know the approximate range of the number of transistors inside OPA4991-Q1 and LM2902BA-Q1. Can this be provided? No specific quantity…

  • OPA2991-Q1: Is the OPA4991-Q1 a mirrored die of the OPA2991-Q1?

    Part Number: OPA2991-Q1 Other Parts Discussed in Thread: OPA4991 , OPA2991 Tool/software: Is the OPA4991 quad op amp a mirrored duplicate die of the 2991 dual op amp with shared references? Thank you, Cole
    • Answered

  • OPA4991-Q1: Maximum limit of feedback resistor value for voltage follower circuit

    Resolved
    Part Number: OPA4991-Q1 Other Parts Discussed in Thread: OPA4991 Hello, I am designing OP AMP circuit that circuit uses OPA4991-Q1. I will use OPA4991-Q1 for voltage follower circuit under below conditions. IN+ pin : Connect 4/5 voltage divider…
    • Resolved
    • Answered

  • OPA4991-Q1: Differences between OPA4991TQPWRQ1 and OPA4991QPWRQ1

    Resolved
    Part Number: OPA4991-Q1 Hello, I cannot work out what the difference between the OPA4991TQPWRQ1 and the OPA4991QPWRQ1. The difference is that a T has been added after the 4991. I have been through the whole datasheet multiple times and not seen any explanation…
    • Resolved

  • OPA4991-Q1: Using as a voltage buffer/follower design question.

    Part Number: OPA4991-Q1 Other Parts Discussed in Thread: OPA4991 , ADS7138 We are using OPA4991-Q1 as a voltage buffer/follower. During the test, we found an issue but don't no why. Please find addached PDF. The first page is our circuit of OPA4991…
    • Answered

  • OPA4H199-SEP: Non-SEP OPA4H199 Equivalent

    Resolved
    Part Number: OPA4H199-SEP Other Parts Discussed in Thread: OPA4991 , OPA4991-Q1 , OPA4991-EP Hello, Is there a non-SEP equivalent for the OPA4H199? I would like to use an alternate for prototypes and engineering modules that does not require the full…
    • Resolved

  • RE: OPA4171: OPA4171

    Hi Nuno, I have found these here: https://www.ti.com/assets/js/compareParts/compare.html?familyId=1293&parts=OPA4196,OPA4191,OPA4171-Q1,OPA4171,TLV4171,OPA4130,TLV9154-Q1,OPA4991-Q1,TLV9154,OPA4991,TLV9354-Q1,TLV9354,TLV2444,TLV2444A,LMP7704&cols…
    • Answered

  • OPA4170-Q1: Different between OPA4170-Q1 and nonQ1 product

    Resolved
    Part Number: OPA4170-Q1 Other Parts Discussed in Thread: OPA4170 , OPA4991-Q1 I have asked from my customer regarding difference between OPA4170-Q1 and nonQ1 product. I recognize the difference difference between OPA4170-Q1 and nonQ1 product is specification…
    • Resolved

  • RE: OPA2210: Is there TI solution to replace AD8634HRZN

    to User473, I searched all the op amp portfolio with the parametric search (precision, general purpose, and high-speed). There are 6 options with temperatures of 150C and above (see attached). The best match is the OPA211-HT (210C max). This is the…

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