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Showing 189 results View by: Thread Post Sort by
  • OPA140: opa140

    Davide Badoni
    Davide Badoni
    Part Number: OPA140 Tool/software: Hi Alec, Thank you very much for your detailed response, and apologies for the delay in getting back to you. The project is currently on hold and may be moving in a different direction, so we won’t be needing an op…
    • 6 months ago
    • Amplifiers
    • Amplifiers forum
  • OPA140: 1/f Current Noise of OPA140 Opamp

    user5945988
    user5945988
    TI Thinks Resolved
    Part Number: OPA140 Tool/software: Hello, We are working on a very sensitive amplifier to interface with a high impedance sensor. I discovered that the datasheet and the simulation model doesn't include the current 1/f noise. We need to make sure…
    • 9 months ago
    • Amplifiers
    • Amplifiers forum
  • OPA140: Inquiry About Analog Components for High-Impedance, High-Frequency Amplifiers in Cryogenic Conditions

    Davide Badoni
    Davide Badoni
    Part Number: OPA140 Tool/software: I am about to start working on a project that requires analog electronic components, particularly operational amplifiers (OpAmps) and passive components, for use in a cryogenic environment (temperatures of 3-4 Kelvin…
    • 7 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA140: What's the Input Capacitance tolerance?

    Fabio Posser
    Fabio Posser
    Resolved
    Part Number: OPA140 Tool/software: Hi, datasheet bring nominal value 7pF. How is controlled this 7pF? It's a trimmed capacitance to match this number always? What's the tolerance of this parameter? Changes against temperature? This value is highly…
    • Resolved
    • 9 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA140: Input bias current vs temperature

    bbrienzo
    bbrienzo
    Resolved
    Part Number: OPA140 Tool/software: Is there a plot for the OPA140 of input bias current vs temperature? The datasheet only shows +/-0.5pA (+/-10pA max) at 25C and +/-3000pA max over the whole temperature range, but I'm assuming it's not a linear ramp…
    • Resolved
    • 9 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA140: Input bias current testing over temp

    Matt Calvo
    Matt Calvo
    Resolved
    Part Number: OPA140 Tool/software: Hey Precision Amps Team, I have a customer evaluating the OPA140 for a design and we are hoping you can help to provide feedback on expected input bias current performance over temp. There is a plot of I_B over common…
    • Resolved
    • 9 months ago
    • Amplifiers
    • Amplifiers forum
  • OPA140: Part number from top marking

    Nishalini Baskaran
    Nishalini Baskaran
    Part Number: OPA140 Other Parts Discussed in Thread: OPA4140 Tool/software: kindly help us to find the IC Manufacturer Part No from the available top marking in below image
    • 10 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA140: Duplicate settling plot? OPA140

    Michael Steffes
    Michael Steffes
    Resolved
    Part Number: OPA140 Just noticed these two plots, what is the difference between them in conditions?
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • OPA140: Voltage track circuit ,output has noise

    Haiwen Huang
    Haiwen Huang
    TI Thinks Resolved
    Part Number: OPA140 Other Parts Discussed in Thread: OPA320 Dears: Customer use OPA140 to do voltage track circuit. They found abnormal noise in output voltage. Green waveform is input sine voltage. Blue waveform is output sine voltage. 1- the noise overlap…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • OPA140: OPAx140: Datasheet Revision history

    Yoshihiko Yamamoto
    Yoshihiko Yamamoto
    TI Thinks Resolved
    Part Number: OPA140 Looking at the Revision History in the datasheet, there is no mention of any changes from Rev. B to Rev. C. What is the difference between Rev.B and Rev.C?
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
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