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Showing 7 results View by: Thread Post Sort by
    Answered
  • LM3900: Tina-TI model

    David Chamberlain
    David Chamberlain
    Resolved
    Part Number: LM3900 Other Parts Discussed in Thread: TINA-TI , LM348 , LM324 , LM358 , LM2900 Tool/software: Hi, Does anyone have a TINA-TI or PSpice model for the LM3900, I've been given a circuit diagram using two and I wanted to run some simulation…
    • Resolved
    • 10 months ago
    • Amplifiers
    • Amplifiers forum
  • LM3900: High Input current observed in LM3900N part

    MATHI AZHAGAN
    MATHI AZHAGAN
    TI Thinks Resolved
    Part Number: LM3900 Hi Sir/Mam, I am using LM3900N part in my design. Circuit image attached. 1.) 5V input given to Inverting input pin, Input current taking 0.25A. why this too much current taking for this 1channel input ? pls clarify. ( Attached…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LM3900: Need Application Note of my Configuration

    Srikanth Kacchu1
    Srikanth Kacchu1
    Resolved
    Part Number: LM3900 Hi Team I am debugging one of the board issue which has LM3900N. I could not understand the design configuration of below circuit. Could you please help to provide any application note for this? Regards Srikanth Kacchu
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LM3900: Lm359n

    Terry Drof
    Terry Drof
    Resolved
    Part Number: LM3900 I built up a simple audio amp using lm3900, gain of approximately 10, Inverting. Resistor between 12 volt supply and (+) non-inverting input is 270K, RFeedback from output to inverting input is 135K. Input resistor of 12k to inverting…
    • Resolved
    • over 5 years ago
    • Amplifiers
    • Amplifiers forum
  • LM3900: LM3900N

    Michael Bacik
    Michael Bacik
    TI Thinks Resolved
    Part Number: LM3900 Other Parts Discussed in Thread: LM359 , , RC4136 , OPA2196 , OPA4196 Good Morning, I'm working with a ~ 40yr old amp that has about half a dozen of your LM3900N's in it. My question, is there an up-grade to the LM3900N given it…
    • over 6 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • Request a TI Tina spice model for the LM3900,TL974IPWR

    Senthil Kumar18
    Senthil Kumar18
    Resolved
    Other Parts Discussed in Thread: LM3900 , TL974 , LM324 , LM348 , TLV2262A Hi, i started a new project, in that i am using a audio mixer LM3900 and TL974IPWR , for the simulation purpose i need the spice model for above par tnumbers.I could't find in…
    • Resolved
    • over 10 years ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • Answered
  • RE: LM2900N not working in voltage follower configuration

    Paul Grohe
    Paul Grohe
    Resolved
    Hi Matt, The LM2900 is a "Norton", or current-differencing amplifier. It is not a "normal" voltage input op-amp. The inputs will look like a diode to ground. It uses current instead of voltage. You may want to look at the LM2900-N datasheet , which…
    • over 10 years ago
    • Amplifiers
    • Amplifiers forum

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