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Showing 77 results View by: Thread Post Sort by
    Answered
  • LM2904B-Q1: maximum current of internal ESD diodes in unpowered mode

    Michael Daimer
    Michael Daimer
    Resolved
    Part Number: LM2904B-Q1 Other Parts Discussed in Thread: LM2904-N , LM2904 , LM2904B Hi team, I have a question on the maximum allowed current through the internal ESD diode structure, in case the IC is unpowered? Thanks and best regards, Micha…
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • LM2904B-Q1: behaviour during no power supply

    Josef Warta
    Josef Warta
    TI Thinks Resolved
    Part Number: LM2904B-Q1 Other Parts Discussed in Thread: LM2904B I have a question to the LM2904B operational amplifier, which we have in our motor current ripple module. The OP will be supplied by charge pump voltage and works fine, if we have it in…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • RE: LM2904B-Q1: temperature drift

    Sherry Liang
    Sherry Liang
    Hi Robert, Our LM2904's input pin(pin3/VAC_L & pin2/VAC_N) to sample one AC bus voltage. In the low temp, the output waveform of pin1 of LM2904 is clipped like below blue line. This clipping will result in AC bus voltage sampling deviation. Robert…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LM2904B-Q1: meaning of Vo

    Iris Shen
    Iris Shen
    Resolved
    Part Number: LM2904B-Q1 Other Parts Discussed in Thread: LM2904 , LM2904B , Hi team, I don't understand the meaning of Vo, voltage output swing from rail. Could you please explain it? And the LM2904 and LM2904B Vo is different, could you please explain…
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • LM2904B-Q1: LM2904 output voltage swing from rail at low Io

    Scarlett Cao
    Scarlett Cao
    Part Number: LM2904B-Q1 Hi team, My customer is using LM2904B-Q1 in their design with single rail power supply. The minimum output from calculation is to 1.6V, They found the output variation respect to ideal result is much larger at -40C compared…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LM2904B-Q1: OUTPUT distortion

    xin2.liu
    xin2.liu
    Resolved
    Part Number: LM2904B-Q1 Other Parts Discussed in Thread: LM2904 Hi Expert, When the negative input voltage is greater than a certain value,maybe 65VDC,the output no longer follows the change. You can see this distortion on the red box of below waveform…
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • LM2904B-Q1: Absolute Maximum Ratings of POWER SUPPLY confirmation

    Songzhen Guo
    Songzhen Guo
    TI Thinks Resolved
    Part Number: LM2904B-Q1 Hi Experts, LM2904B-Q1 is mass production on customer side. Could you help to confirm the Absolute Maximum Ratings of POWER SUPPLY? I just find the max data, but I didn't find the min data for the power supply. Thanks. …
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • LM2904B-Q1: What is the range of values ​​for the bias resistor and feedback resistor?

    Guohai Lin
    Guohai Lin
    TI Thinks Resolved
    Part Number: LM2904B-Q1 Other Parts Discussed in Thread: LM2904B Hi team, What is the range of values ​​for the bias resistor and feedback resistor? The increase in the resistance of R106 and R107 can effectively suppress Vos. However, the increase…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • LM2904B-Q1: What are the differences between LM2904B-Q1 and LM2904-Q1

    Zirui Su
    Zirui Su
    TI Thinks Resolved
    Part Number: LM2904B-Q1 Other Parts Discussed in Thread: LM2904-Q1 , LM2903-Q1 , LM2903B-Q1 Hi team I would like to ask that what are the differences between LM2904B-Q1 and LM2904-Q1? Besides, I would like to know about the differences between LM2903…
    • over 4 years ago
    • Amplifiers
    • Amplifiers forum
  • LM2904B-Q1:运放精度和收敛问题咨询

    chengdp
    chengdp
    TI Thinks Resolved
    Part Number: LM2904B-Q1 Other Parts Discussed in Thread: TINA-TI 你好 E2E: 我们有个绝缘检测电路,用的2904B的运放,调理电路电阻比较大有750kΩ,如下面仿真图所示。应用存在以下问题: 1. 精度不是很好。 2.用这个参数 结合 官网的spice模型进行Simetrix和 LTspice仿真,仿真不收敛,中间会卡住。 麻烦帮忙校核下这样应用,考虑运放的偏置电流、失调电压电流后对精度的影响以及仿真不收敛的 原因…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
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