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  • OPA1642: OPA827, OPA2140 & OPA1642 source impedance and distortion issue.

    TI Thinks Resolved
    Part Number: OPA1642 Other Parts Discussed in Thread: OPA2140 , OPA827 , , OPA140 OPA827, OPA2140 & OPA1642 source impedance and distortion issue. Dear Sir/Madam, While reviewing the datasheet OPA1642, by chance, I learnt the specifications in chapter…
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  • OPA827: Question on Precision Labs 10.4 - Op Amps: Stability 4：how to get the relationship curve between Phase margin and overshooting %, and AC gain peaking.

    Resolved
    Part Number: OPA827 Hi there, I am learning Precision Labs 10.4 - Op Amps: Stability 4, and I am confused how can user get the curves between phase margin and overshoot % and AC gain peaking on page 11 and 16 of the PPT slide, as below. Seems there…
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  • RE: OPA827: T.I. Precision Designs: Verified Design 0.1Hz to 10Hz Noise Filter

    Resolved
    I need NC Drill(Excellon drill file) to order boards from EasyEDA. Thanks, Mark
    • Answered

  • OPA827 CMRR test bench in Tina-TI - changing R values change CMRR BW?

    Resolved
    Other Parts Discussed in Thread: TINA-TI , OPA827 , UA741 , LM6172 , LMP7732 I'm trying to do some sims of CMRR of the OPA827 on Tina-TI. Below is the topology that I'm using to test the CMRR of the SPICE model: I first do a sim with all R's set to…
    • Resolved

  • What's the meaning of OPA827 offset over temperature?

    In 1100 - Vos and Ib - slides.pdf, the unit of over temperature is uV/V, I can not understand its meaning.

  • opa827 reverse battery protection

    Other Parts Discussed in Thread: OPA827 hi, is reverse battery protection implemented in the opa827? what would the behaviour of the op amp be if V+/V- were reversed? thanks, -matt
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  • Does OPA827 have "overdrive" protection

    Resolved
    Other Parts Discussed in Thread: OPA827 , OPA2140 , OPA140 Does OPA827 have "overdrive" protection or it needs an external one. What is the recommended input over-voltage protection (if needed) for this op amp?
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  • Dual Version of the OPA827

    Other Parts Discussed in Thread: OPA140 , OPA827 , OPA2827 , OPA2140 , OPA4140 Is there a dual version of the OPA827 (Perhaps the part number would be OPA2827)? I want to use the OPA827 to replace the OPA140 as a position measuring photodiode amplifier…
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  • TINA Part Selection Question (OPA827, OPA211A)

    Resolved
    Other Parts Discussed in Thread: OPA211A , OPA827 , OPA211 As an experienced SPICE user but a newbie to TINA, why are common TI / Burr Brown parts such as OPA827 and OPA211A omitted from the TINA database? I can find them on TI's website and even reference…
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  • OPA827: new release (redesign)? how can we identify the new version by the device marking? how can we order the new version?

    Resolved
    Other Parts Discussed in Thread: OPA827 By using the OPA827 as voltage follower (G=+1, source connected to +IN via RC, R=1kOhm and 10kOhm, 22pF to GND, output connected to -IN), we detected an incredible amount of THD+N. The source signal is 3Veff at…
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