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  • LMP8640: LMP8640

    Part Number: LMP8640 Tool/software: hI I Need current sense amplifier. >i have input differential voltage +15V(high) & -14.996V(low). >i need to measure gain of the above differential voltage. measured in DMM i am getting 4mV. >this 4mV i ma…
    • Answered

  • LMP8640: Differences between LMP8640MK-H/NOPB and LMP8640MKX-H/NOPB

    Resolved
    Part Number: LMP8640 LMP8640MK-H/NOPB is obsolete, I saw on TI site that replacement is LMP8640MKX-H/NOPB. Which are the differences between LMP8640MK-H/NOPB and LMP8640MKX-H/NOPB?
    • Resolved

  • LMP8640: LMP8640-T (20V/V) and LMP8640-F (50V/V), INA197 (50V/V) and INA196 (20V/V)

    TI Thinks Resolved
    Part Number: LMP8640 Other Parts Discussed in Thread: INA196 , INA197 , Tool/software: We have a 0.02Ohm current sense resistor in use with the LMP8640-F, which gives a current sense gain of 1V per A. Second, we have a 0.05Ohm current sense resistor…

  • LMP8640: Abnormal output current value

    Part Number: LMP8640 Tool/software: Hi team, LMP8640 is used on 6KW module inputs 600V and carries 20A, the current sampling is too small and the defective rate is 2/100. The root cause has not been found yet. Please assist in technical docking and…

  • LMP8640: Voltage on IN+ and IN-

    TI Thinks Resolved
    Part Number: LMP8640 Hi team, Customer feedback that when supply 5V for LMP8640. There are 1.1V voltage on IN+ and IN- pin. I was wondering if it's due to bias current and Rin. Do you have any idea about the reason? Thanks! Rayna

  • LMP8640: LMP8640MK-T/NOPB

    Part Number: LMP8640 Hi Support Team, Godo day. My customer would like to confirm if these 1000pcs of parts (PN# LMP8640MK-T/NOPB) shipped under TCI, TCI-1 or TCI-2? TCI, TCI-1 and TCI-2 were one of the test lot that implement from TI. Can you…
    • Answered

  • LMP8640: Does LMP8640 can support Vs+=6V, Vs-=-6V application?

    Resolved
    Part Number: LMP8640 Other Parts Discussed in Thread: INA281 Hi Team, I found the pin name the LMP8640 Vs- is negative voltage pin. Does it can support apply +/-6V voltage on Vs+/Vs-? Thanks. B.R. Lucas
    • Resolved
    • Answered

  • LMP8640: LMP8640QMKX-T/NOPB

    Resolved
    Part Number: LMP8640 Other Parts Discussed in Thread: TMP103 Refer to TMP103 case, for LMP8640QMKX-T/NOPB An old National semiconductor, multiple reels with same TKY ID/Package ID , is it normal ?
    • Resolved

  • LMP8640-Q1: LMP8640 behavior when load short circuit

    TI Thinks Resolved
    Part Number: LMP8640-Q1 Other Parts Discussed in Thread: LMP8640 Hi Team, I want to ask two questions and hope can get your help. 1. As shown in the figure, when MLCC capacitor on the Load terminal is short-circuited to ground due to the crack. Besides…
    • Answered

  • LMP8640: RSS error vs. Common-mode voltage

    Resolved
    Part Number: LMP8640 Hi Team, I am trying to use a wonderful RSS error calculator tool on the LMP8640 page, and it gives me hundreds to thousands percent errors that are definitely wrong. The RSS error percentage starts climbing dramatically as common…
    • Resolved

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