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Showing 138 results View by: Thread Post Sort by
  • OPA2991-Q1: Voltage simulation

    Masayuki Uchihara
    Masayuki Uchihara
    TI Thinks Resolved
    Part Number: OPA2991-Q1 Other Parts Discussed in Thread: OPA2991 Tool/software: Hi Team, I have one qustions about the simulation of the OPA2991. When I input same voltage, the output is the VDD voltage. Do you know what's the reason? Best Regards…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • OPA2991: Is OPA2991 the best Pin2Pin substitute for AD8642?

    Yuxi Liu(Tony)
    Yuxi Liu(Tony)
    TI Thinks Resolved
    Part Number: OPA2991 Other Parts Discussed in Thread: OPA4990 , OPA4991 , LMC6032 Hi TIer My customer is looking forward to AD8643's substitute. I find OPA2991 is the best pin2pin substitute IC . Is this right? or we have new IC. But the IBias…
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2991: Characterized parameters in temperature

    Sébastien GRANDIN
    Sébastien GRANDIN
    Resolved
    Part Number: OPA2991 Tool/software: Dear Ti, Which parameters are characterized and measured over -40/+125°C temperature range on the OPA2991(IDR) ? Which parameter are specified by "design" over the -40/+125°C temperature range on the OPA2991(IDR…
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • OPA2991-Q1: Slew rate and GBW values of OPA2991-Q1 over full operating temperature range

    Manoj Turpati
    Manoj Turpati
    TI Thinks Resolved
    Part Number: OPA2991-Q1 Hello TI, I am writing this to request some missing information from datasheet of OPA2991-Q1. As shown in the below snap shot, datasheet provides the values(typical) of Slew rate and Gain Bandwidth product only at an ambient…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2991: Difference between OPA2991 and TLV9152

    Ryoma Ohashi
    Ryoma Ohashi
    Resolved
    Part Number: OPA2991 Other Parts Discussed in Thread: TLV9152 Hi team, What are the main differences between OPA2991 and TLV9152? Is TLV9152 just a 16V version of OPA2991? Regards, Ohashi
    • Resolved
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • OPA2991: Please review the schematic

    Chase Jeong
    Chase Jeong
    Part Number: OPA2991 Dear TI experts, My customer drew their own schematic with OPA2991. Could you review this schematic? ++ OPA_VCC+ and OPA_VCC- are 5V~20V variable. ++ DAC0_OUT and DAC1_OUT are 3.3V. ++ the voltage of OPA_OUT+ and OPA_OUT…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • OPA2991: offset voltage difference between 2 amplifiers

    Lillian Liu(SH)
    Lillian Liu(SH)
    TI Thinks Resolved
    Part Number: OPA2991 Hi team, We are using TI Dual OPA OPA2991IDSGR as Differential input voltage follower configuration. We want to know what is offset voltage difference between 2 amplifiers, i.e. Voffset_1-Voffset_2. But no information in datasheet…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • OPA2991: OPA2991

    DRUILHE yvan
    DRUILHE yvan
    TI Thinks Resolved
    Part Number: OPA2991 Hello Carolina, In the vidéo Troubleshooting Tips Op Amps - CMRR video for the procedure . Question1 If we download the document How to test CMRR on an amplifier page 6, can you explain to me that moving the supply and output…
    • over 4 years ago
    • Amplifiers
    • Amplifiers forum
  • OPA2991: OPA2991

    DRUILHE yvan
    DRUILHE yvan
    TI Thinks Resolved
    Part Number: OPA2991 Other Parts Discussed in Thread: TLV9102 , Hi What is the procedure to measure the CCMR of 130db on this amp? Thanks for your help
    • over 4 years ago
    • Amplifiers
    • Amplifiers forum
  • OPA2991-Q1: Please help provide Functional Safety Information of OPA2991-Q1

    qinwen yao
    qinwen yao
    TI Thinks Resolved
    Part Number: OPA2991-Q1 Hi, Please provide the Functional Safety FIT Rate and FMD manual of OPA2991-Q1. Functional Safety Information is required for functional safety FMEDA calculations. Thank you very much!
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
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