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Showing 31 results View by: Thread Post Sort by
  • LPV821: Issue with the differential amplifier application (configuration) circuit with LPV821

    Vivek Reddy
    Vivek Reddy
    TI Thinks Resolved
    Part Number: LPV821 Other Parts Discussed in Thread: LM321 Hi, We are using LPV821 in a current sensing application in our dimmer design. Below the differential amplifier configuration we used to amplify the very low voltage drop across the 10 milliOhm…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LPV821: Suitable op amp for voltage reference using REF5020

    Vijay Kolaventy
    Vijay Kolaventy
    Resolved
    Part Number: LPV821 Other Parts Discussed in Thread: ADS1219 , , OPA320 , OPA388 , OPA350 , LMP91000 , OPA2378 , OPA2335 , LMP2232 , TLV2262 , OPA2336 , OPA2340 , OPA2320 , LMP2012 , OPA2328 , OPA335 , LM4140 , OPA2187 Hi I have designed the circuit below based on the…
    • Resolved
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LPV821: Designing with LPV821DBVR

    Shibin Varghese
    Shibin Varghese
    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
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LPV821: Roadmap to 822

    Alfred Fuchs1
    Alfred Fuchs1
    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
    • over 4 years ago
    • Amplifiers
    • Amplifiers forum
  • RE: TINA/Spice/LPV821: LPV821 SR simulation with TINA model

    Iwata Etsuji
    Iwata Etsuji
    Hi Davis-san, Thank you for your consideration. By when can you prepare the updated TINA model for LPV821? Best regards, Iwata Etsuji
    • over 5 years ago
    • Amplifiers
    • Amplifiers forum
  • LPV821: Current Sensing in No-Neutral Light Switches

    Chris Flockhart
    Chris Flockhart
    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…
    • over 5 years ago
    • Amplifiers
    • Amplifiers forum
  • LPV821: Dual supply operation

    Jeffrey Wright
    Jeffrey Wright
    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…
    • over 5 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LPV821: High Side Current Sensing Using LPV821

    Hari T O0
    Hari T O0
    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
    • over 6 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LPV821: LPV821 Voltage buffer

    Vahid Montazeri63
    Vahid Montazeri63
    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
    • over 7 years ago
    • Amplifiers
    • Amplifiers forum
  • LPV821: lpv821, I want to useLPV821 as 4-20mA signel measure , as the picture below, snoa978a, wireless senser mode, How could i achieve the wireless measure, what is the way/device/senser could measure the 4-20mA ,many thanks ~

    Andrew Liu74
    Andrew Liu74
    TI Thinks Resolved
    Part Number: LPV821
    • over 6 years ago
    • Amplifiers
    • Amplifiers forum
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