Answered

• LPV821: Roadmap to 822

  

  Alfred Fuchs1

  Resolved

  Part Number: LPV821 Other Parts Discussed in Thread: 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

  • 4 months ago
  • Amplifiers
  • Amplifiers forum

• LPV821: Current Sensing in No-Neutral Light Switches

  

  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 1 year ago
  • Amplifiers
  • Amplifiers forum

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

  

  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 1 year ago
  • Amplifiers
  • Amplifiers forum

• LPV821: Dual supply operation

  

  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 1 year ago
  • Amplifiers
  • Amplifiers forum
Answered

• LPV821: High Side Current Sensing Using LPV821

  

  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 2 years ago
  • Amplifiers
  • Amplifiers forum
Answered

• LPV821: LPV821 Voltage buffer

  

  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 3 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

  TI Thinks Resolved

  Part Number: LPV821

  • over 2 years ago
  • Amplifiers
  • Amplifiers forum
Answered

• LPV821: noob question about op-amps

  

  kazola

  Resolved

  Part Number: LPV821 Other Parts Discussed in Thread: TLV2401 , TLV8801 , Dear, I have no previous experience with op-amps. I have used the TI selection tool but, to be honest, the number of parameters is overwhelming :) During my preliminar searches, seems…

  • Resolved

  • over 3 years ago
  • Amplifiers
  • Amplifiers forum
Answered

• LPV821: differential opamp can amplify 45 mV from voltage divider but not from sensor :)

  

  kazola

  Resolved

  Part Number: LPV821 Dear, I am beginning my way with LPV821. I have a sensor with 5 wires. Two of them form a NTC thermsistor. I can calculate the temp from them :) That is nice. The other two, theoretically, polarize themselves when measuring and between…

  • Resolved

  • over 3 years ago
  • Amplifiers
  • Amplifiers forum

• Ultra-Low-Noise High-Input Impedance Amplifier for Low-Frequency Measurement Applications

  

  Pawel Starmach

  Other Parts Discussed in Thread: OPA227 , OPA1611 , OPA1622 , OPA209 , OPA132 , TLV8812 , TLV8801 , LPV821 , LMP7721 Hi, I'm looking for a Ultra-Low-Noise High-Input Impedance Amplifier for Low-Frequency Measurement Applications. 5hz - 2000hz range. Anything…

  • 9 months ago
  • Power management
  • Power management forum

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