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  • 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

  • OPA4991: Tina model

    Resolved
    Part Number: OPA4991 Other Parts Discussed in Thread: OPA2991 , Does a Tina model for this part exist and where can I find it?
    • Resolved
    • Answered

  • OPA4991: OPA4991IRUCR pinout information

    Resolved
    Part Number: OPA4991 Other Parts Discussed in Thread: OPA2991 Hello team, There is no X2QFN information in OPA4991 pin function table, datasheet pg.9. I would like to confirm if X2QFN pin assignment is definitely correct as shown in figure5-10, datasheet…
    • Resolved
    • Answered

  • OPA4991: RTM Schedule & Thermal Data

    Resolved
    Part Number: OPA4991 When will the OPA4991 be released to market? The thermal data for the quad channel is TBD (with each package listed as preview only), so I am interested in the timeline of when that will be updated.
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    • Answered

  • OPA4171: input back-to-back diodes

    Resolved
    Part Number: OPA4171 Other Parts Discussed in Thread: OPA4991 , TLV9004 , , OPA333 Tool/software: Hi team, I find that our HV amps such as OPA4171 has back-to-back diodes for input protection (OPA4991 doesn't have and achieve in another way), but…
    • Resolved
    • 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

  • OPA4990: Non-inverting output with Gain = 1

    TI Thinks Resolved
    Part Number: OPA4990 Other Parts Discussed in Thread: OPA4991 Hi team, Does OPA4990 or OPA4991 support Non-inverting output with Gain = 1? I'm asking this because there are no description about stability of unity gain in the datasheet. From PSpice…

  • OPA4171: OPA4171 stability issues

    TI Thinks Resolved
    Part Number: OPA4171 Other Parts Discussed in Thread: OPA4991 Hi experts, Could you please help confirm whether OPA4171 can work stably when the load is 100+10nF? I don’t see the corresponding working condition in Figure 6-13. In addition, can you…
    • Answered

  • TL3474: Propagation delay

    Resolved
    Part Number: TL3474 Other Parts Discussed in Thread: OPA4991 , TLV9354 , Hi team, Could you let me know the propagation delay (rise and fall) and rise time and fall time of TL3474MIPWR definied below? I recognize that rise and fall time can be…
    • Resolved

  • LM124A: Voltage drop when used as a voltage follower

    TI Thinks Resolved
    Part Number: LM124A Other Parts Discussed in Thread: ADC128S102 , , OPA4991-EP , TLV2374-EP , TLV9004 , , OPA4991 , OPA4H199-SEP Tool/software: hello. I implemented OPAMP LM124A as a voltage follower and designed to monitor each power source through ADC128S102…

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