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  • MC33078: MC33078 failure after burn in

    TI Thinks Resolved
    Part Number: MC33078 Tool/software: Hello everyone: If any of the outputs of U12, U13, or U14 fails, the audio circuit will fail (no audio output). This typically occurs after about four hours of device burn-in. When this happens, the op amp becomes…
    • Answered

  • MC33078: Request for schematic design review

    Resolved
    Part Number: MC33078 Other Parts Discussed in Thread: LMH6643 Tool/software: Hi Team, There is the oscillation issue on the output of MC33078. The failure rate is about 7%. Please check the schematic below and let me know your review result and the…
    • Resolved

  • MC33078: datacode

    Part Number: MC33078 Tool/software: Hello, I'm looking for any info can help me how to recognize the datacode on the MC33078DR chip. We are some faulty op amps we are investiganting on. On the same design we se different brand of IC, all the faulty…

  • MC33078: Failure of components, recognizable by strong heating

    Part Number: MC33078 Tool/software: Similar to the task e2e.ti.com/.../mc33078-datacode , we also have problems with the MC33078 in an application that has been in production for several years. The error is manifested by the defective components heating…
    • Answered

  • MC33078: Are the specs the same as LM833?

    Resolved
    Part Number: MC33078 Other Parts Discussed in Thread: LM833 , , OPA2206 , OPA206 , OPA4206 Tool/software: Hi support team all. I have received the following inquiry from our customer. When comparing the data sheets, the MC33078 and LM833 appear to…
    • Resolved
    • Answered

  • MC33078: MC33078

    Resolved
    Part Number: MC33078 Other Parts Discussed in Thread: LMR33630 , LM5575 Greetings! Re: MC33078 Power supply and common mode rejection ratio Asymmetry: We have independent +15V and -15V power supplies powering several MC33078 op amps. The two supplies…
    • Resolved

  • MC33078: MC33078DR performance problem.

    TI Thinks Resolved
    Part Number: MC33078 Hi' Could you please help confirm whether the output port of the op amp is equipped with TVS Thank you
    • Answered

  • MC33078: MC33078 Common-mode input voltage

    Resolved
    Part Number: MC33078 Hello, This is a follow up question to a string of recent questions related to the MC33078 Common-Mode input voltage performance of the part. There is a fair chance that the Common-Mode input voltage range will be violated in…
    • Resolved

  • MC33078: MC33078DR burn issue

    Part Number: MC33078 Hi guys, I have use TI #MC33078DR op on ADC input stage, please see below schematic . When I burn in about 8 hours, there was no sound output. Visually found that MC33078 was burnt, but it returned to normal after replacement…

  • MC33078: MC33078DR performance problem

    Part Number: MC33078 Hi We first used this product in an environment where the temperature was 20° and the humidity was 40%RH, and found that the impedance between VDD and VSs measured by a single op amp was reduced to 270 euros. Could you please help…

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