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Showing 53 results View by: Thread Post Sort by
    Answered
  • RE: LM675: Crossover distortion with loads below 100 Ohms

    Michael Henderson
    Michael Henderson
    Resolved
    Hi Kal, Thank you for your appraisal! I have run this (LM675) amp with a DC gain of 10 with no lag compensation (about the lowest gain I think this thing can stand) and still see obvious distortion: Here is our (supply shorted) OPA548 waveform with the…
    • 5 months ago
    • Amplifiers
    • Amplifiers forum
  • LM675: Noise on output when load is connected

    Ismail Hegazi
    Ismail Hegazi
    Part Number: LM675 What would cause noise shown in the image below to appear on a non-inverting amplifier circuit. This only happens when I connect a small load that draws a lot of power (loads less than 100 ohm)? When the circuit is not loaded, the…
    • 8 months ago
    • Amplifiers
    • Amplifiers forum
  • LM675: OP AMP oscillates briefly then oscillation die out and outputs DC component only

    Ismail Hegazi
    Ismail Hegazi
    Part Number: LM675 Other Parts Discussed in Thread: OPA548 Hi, I have a non-inverting op amp circuit shown in the image below: The circuit works very well when connected to a high R load. However, when connected to a lower R load, the output oscillates…
    • 8 months ago
    • Amplifiers
    • Amplifiers forum
  • LM675: Distortion/noise only when load is connected.

    Ismail Hegazi
    Ismail Hegazi
    TI Thinks Resolved
    Part Number: LM675 Other Parts Discussed in Thread: LM1875 Hi, I have the circuit below. 1 inverting amp and 1 non inverting: The circuit works fine when no load (or large R loads) are connected. However, when I connect a 16 ohm high power resistor the…
    • 10 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LM675: Inverting amplifier not amplifying AC component of input

    Ismail Hegazi
    Ismail Hegazi
    Resolved
    Part Number: LM675 Other Parts Discussed in Thread: TLE2072 , Hi, I have the circuit below, a wien bridge oscillator that generated a 15V 700 Hz signal - the oscillator works well on its own when not connected to any load. When I load the amplifier with…
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LM675: Thermal Resistance

    Masakazu Adachi
    Masakazu Adachi
    Resolved
    Part Number: LM675 Hello Team, Can you tell me the Thermal Resistance (θJA, θJC, θJP) of LM675? I would like to compare with other products. Regards, Masakazu
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • RE: LM675: Case Number: CS0720693

    Don McCormick
    Don McCormick
    Resolved
    Thomas, When the LM675 is putting out 6.3 Vrms into a 1 ohm resistor we need almost 40 Watts across that resistor which overheats both the 5W resistor and the LM675 supplying its voltage. For noninverting UA741 Op Amp P RMS P RMS P RMS …
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • LM675: -

    gajendra kumar1
    gajendra kumar1
    TI Thinks Resolved
    Part Number: LM675 Other Parts Discussed in Thread: OPA544 , LM1876 , Hi, Can I get this LM675T/NOPB in industrial grade? Regards Gajendra
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LM675: LM675 spice model required for simulation.

    ashok kumar2
    ashok kumar2
    Resolved
    Part Number: LM675 How can I get LM675 spice model?
    • Resolved
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • LM675: Single Supply?

    user6102140
    user6102140
    TI Thinks Resolved
    Part Number: LM675 Hi. 1.- Can LM675 work with single supply? 2.- Which is the minimum supply voltage for single supply? (Can it work with a single supply of +15V?) 3.- I have a LM675 supplied with a dual supply of +/-15. And the LM675 is quite hot even…
    • over 4 years ago
    • Amplifiers
    • Amplifiers forum
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