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  • RE: LPV821: Issue with the differential amplifier application (configuration) circuit with LPV821

    It's been more than a week since your last reply. Thus, I'll close this post for now. If you have further questions, please reply or start a new thread.
    • Answered

  • RE: LPV821: Suitable op amp for voltage reference using REF5020

    Resolved
    Hi Vijay, Vijay Kolaventy said: U5 is not required in case of buffered ADC. I have not used an op amp in the circuit as ADS1219 input is buffered. Please correct me if I am wrong Yes, the ADS1219 has input buffers, but its input bias current of 5nA would…
    • Answered

  • LPV821: Designing with LPV821DBVR

    Resolved
    Part Number: LPV821 Other Parts Discussed in Thread: OPA320 Hi Team, We are designing a trans-impedance amplifier using LPV821DBVR in one of our products. The same is to detect the ambient lighting in a room The op-amp will be powered from a 3.3V source…
    • Resolved
    • Answered

  • LPV821: Roadmap to 822

    Resolved
    Part Number: LPV821 Other Parts Discussed in Thread: LPV822 , LPV812 , TLV2333 The datasheet from 2017 states that a LPV822 is "planned for near-future release". Will there be an update on the roadmap in the near future?
    • Resolved

  • LPV821: Current Sensing in No-Neutral Light Switches

    TI Thinks Resolved
    Part Number: LPV821 The Application Note SNOA968A–August 2017–Revised October 2017 relating to LPV821 shows in Figure 5 an AC/DC converter supplying power to the amplifier. However the core of the problem in these kinds of 'no neutral' en…

  • RE: TINA/Spice/LPV821: LPV821 SR simulation with TINA model

    Hi Davis-san, Thank you for your consideration. By when can you prepare the updated TINA model for LPV821? Best regards, Iwata Etsuji

  • LPV821: Dual supply operation

    TI Thinks Resolved
    Part Number: LPV821 Other Parts Discussed in Thread: LM7705 , BQ76920 Hello; I need a sanity check regarding the LPV821's power supply capabilities. Because my client's application requires accurately measuring +/- 400A, the sense resistor is 100uOhm…
    • Answered

  • LPV821: High Side Current Sensing Using LPV821

    Resolved
    Part Number: LPV821 Hi, I am making a high side current sense using LPV821 and Si7948(PMOS from Vishay). During simulation(Transient analysis) I can see a peak initially. Please see the attached image. May I know is this due to the fault in my circuit…
    • Resolved

  • RE: LMP91200: Low-cost Opamp for PH sensor

    hi Raymond Thanks for your recommend. Its seem we miss understand. I want to replace LMP91200 with op-amp and Vref ICs. So i will not use a pre PH interface IC. With your recommend, will i use with vref REF35 and 2x LPV821 op-amp for PH circuit?
    • Answered

  • LPV821: LPV821 Voltage buffer

    Resolved
    Part Number: LPV821 Hello, I'm using the LPV821 op-amp for a buffer circuit (voltage follower). Below is my circuit, where the Vin is a non-deal source with very high output resistance (~700KOhm) and the desired output has the same voltage as the input…
    • Resolved

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