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  • AMC3330: Excessive noise in AMC3330 output

    TI Thinks Resolved
    Part Number: AMC3330 Hello, We are using the AMC3330 isolation amplifier IC in our DC-DC converter prototype for isolated voltage and current sensing. The schematic for one of the amplifiers is shown below. During testing, we noticed significant…
    • Answered

  • AMC3330: Questions about inrush current of AMC3330

    Resolved
    Part Number: AMC3330 Hi all, We are planning to use four AMC3330 isolation amplifiers on the same PCB and would like to understand the inrush current behavior and recommended power‑up sequencing methods. In addition, we are looking for suitable TI…
    • Resolved

  • AMC3330: Regarding EMC countermeasures for the AMC3330

    TI Thinks Resolved
    Part Number: AMC3330 Hi team, My customer is considering using the AMC3330 in an insulation‑resistance measurement circuit. They have a question regarding EMC countermeasures for the device. Since the AMC3330 contains an internal 5‑V power supply, the…
    • Answered

  • AMC3330: Clarification on antialiasing filtering cutoff frequency (EVM guide SBAU330C vs AMC3330 Data sheet SBASA34B)

    Resolved
    Part Number: AMC3330 In section 7.2.2.1 - Input filter design of the AMC3330 data sheet SBASA34B it is indicated that: The cutoff frequency of the filter is at least one order of magnitude lower than the sampling frequency (20 MHz) of the internal modulator…
    • Resolved

  • AMC3330: Regarding the internal reference of the AMC3330

    Part Number: AMC3330 Other Parts Discussed in Thread: TLV6001 Hi team, My customer is considering designing an insulation‑resistance measurement circuit based on TIDA‑010232. I have three questions regarding this. Since the input voltage to the AMC3330…

  • AMC3330: Input protection circuitry for AMC3330

    TI Thinks Resolved
    Part Number: AMC3330 Hi forum, I am designing a simple high-side voltage monitor using the AMC3330 Isolation Amplifier. Here are my requirements: I want to measure AC Voltages upto 230V (325V Peak). It could also be DC voltages, but 230VAC (325V Peak…

  • AMC3330: Drop in alternate to AMC3330

    TI Thinks Resolved
    Part Number: AMC3330 Other Parts Discussed in Thread: AMC3336 , , AMC3311 We are planning to use the AMC330 device for our application. However, the TI website suggests AMC3336 as a drop-in replacement, but it does not provide differential output pins…
    • Answered

  • AMC3330: AMC3330 – Using Two Devices Referenced to Same Neutral (HGND Connection)

    Resolved
    Part Number: AMC3330 Other Parts Discussed in Thread: TLV9001 , TLV365 , AMC131M02 , STRIKE , MSPM0L1306 Hi TI Support Team, I am designing a board that uses two AMC3330 isolated amplifiers: AMC3330 #1 measures the mains input voltage (Live–Neutral…
    • Resolved

  • AMC3330: AMC3330 Related Request

    Part Number: AMC3330 Other Parts Discussed in Thread: AMC3302 , AMC3301 , ADS131M08 Tool/software: Dear team, We have input DC supply of 160V 150mA current, we want to sense the current of the voltage for the we are using isolated amplifier AMC3330…

  • AMC3330: Clarification on AMC3301 / AMC3311 / AMC3330 suitability for VAC, IAC, and VDC sensing (340–440 VACrms, 50 mA–2 A, 0–800 VDC)

    TI Thinks Resolved
    Part Number: AMC3330 Other Parts Discussed in Thread: AMC3301 , AMC3311 , , AMC0381D , AMC0380D , AMC131M03 , SN6501 , SN6507 Dear TI Team, We are finalizing the isolated signal‑chain for an AC‑DC power platform and would appreciate your confirmation…

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