• INA180: OPA991 + INA180 current loop

  

  Georges Maccario

  Part Number: INA180 Other Parts Discussed in Thread: OPA991 , TINA-TI Tool/software: Hello, I am working on a current source (100/200mA). To minimise power losses in the shunt, I've chosen to use an INA180 in the feedback loop. The system does not…

  • 27 days ago
  • Amplifiers
  • Amplifiers forum

• OPA991: High-side current monitor unstable, but TL071 works, as does INA168

  

  Holmer Grimm

  TI Thinks Resolved

  Part Number: OPA991 Other Parts Discussed in Thread: LM321 , TL071 , , INA168 , TLV9351 Tool/software: Hello, We want to put out a 4-20mA current (process control) from a filtered PWM. Since we set it from a micro, it is low-sede, but we need a high-side…

  • 8 days ago
  • Amplifiers
  • Amplifiers forum

• OPA991: Common Mode above 20V

  

  Keith Keller

  TI Thinks Resolved

  Part Number: OPA991 Tool/software: Hello, Just wanted to confirm that the common mode voltage offset is going to remain flat from 20V and above? We're going to be operating at 36Vin. Thank you, Keith

  • 3 months ago
  • Amplifiers
  • Amplifiers forum

• OPA991: IMDS request (From SIIX comapny)

  

  ?? ??

  TI Thinks Resolved

  Part Number: OPA991 Tool/software: Dear PIC Could you input IMDS as follows? 99834-00135 OPA991QDBVRQ1 IC SIIX CORP. Thai SIIX Co., Ltd. [ 107975]. When you done and get ID no, please send us e-mail address. Yokoyama kana.yokoyama@siix…

  • 3 months ago
  • Amplifiers
  • Amplifiers forum

• RE: OPA991-Q1: OPA991QDBVRQ1,TPS7A4701QRGWRQ1,ADS7951QDBTRQ1,TPS3808G01QDBVRQ1,TPS7A5201QRGRRQ1,UCC27712QDRQ1,TL331MDBVTEP

  

  Su Zhang

  Hey Jithin- TPS7A4701QRGWRQ1 and TPS7A5201QRGRRQ1 are BICMOS. Thanks, Su

  • 2 months ago
  • Amplifiers
  • Amplifiers forum

• OPA991: Pspice for TI: "You have reached the concurrent device access limit"

  

  Gonzalo Montanez

  TI Thinks Resolved

  Part Number: OPA991 Tool/software: Pspice for TI: "You have reached the concurrent device access limit" My computer is new but hard disks are old. Can you reset instalations devices?

  • 3 months ago
  • Amplifiers
  • Amplifiers forum

• OPA991: OPA991 outputs abnormally

  

  Harry Ma

  TI Thinks Resolved

  Part Number: OPA991 Other Parts Discussed in Thread: OPA2991 5751.OPA2991_RefDesign.TSC Hi Team I simulated the following circuit and found VF1 has output but Vout doesn't have output. Can you help show your comment why this happen?

  • over 1 year ago
  • Amplifiers
  • Amplifiers forum

• OPA991-Q1: OPA991QDBVRQ1

  

  ?? ??

  TI Thinks Resolved

  Part Number: OPA991-Q1 Tool/software: Dear Sirs Could you tell me this? OPA991QDBVRQ1 Customer need to survey about What kind of plating material is used for electronics component leads ?

  • 9 months ago
  • Amplifiers
  • Amplifiers forum
Answered

• OPA991-Q1: High-frequency signal distortion - is this normal?

  

  Zijiang Yang

  Resolved

  Part Number: OPA991-Q1 Other Parts Discussed in Thread: OPA991 , TINA-TI , OPA323 Tool/software: Hello Analog Experts, I am new to amplifier circuits and have a question regarding high-speed signal distortion with the OPA991. Given the OPA991’s gain-bandwidth…

  • Resolved

  • 10 months ago
  • Amplifiers
  • Amplifiers forum

• OPA991-Q1: OPA991-Q1

  

  Marian Neacsu

  TI Thinks Resolved

  Part Number: OPA991-Q1 Other Parts Discussed in Thread: OPA991 Hello , I have build an high side differential amplifier using OPA991. In this schematic i have used an offset about 2.5V. My expectation was that if the current is 12A (1 Ohm load at 12V…

  • over 1 year ago
  • Amplifiers
  • Amplifiers forum

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