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Showing 21 results View by: Thread Post Sort by
  • OPA4227: Behavior in case of input condition is open

    Ryuuichi machida
    Ryuuichi machida
    TI Thinks Resolved
    Part Number: OPA4227 Hello, Let me confirm whether you have ever heard following condition. Could you confirm below and give me your opinion or comment ? * My customer use OPA4227. They use 4ch opamp with voltage follower. However, in their case, sometimes…
    • 5 hours ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • Dual and Quad, 8MHz and 60MHz, Low Noise Operational Amplifiers HA3-5104-5

    Leandro DA SILVA
    Leandro DA SILVA
    Resolved
    Other Parts Discussed in Thread: OPA4227 Hello, I am an electronic design engineer in France. I am reaching out regarding the use of your amplifier quad HA3-5104-5 (DIP14) in one of our products. We are seeking a replacement due to the imminent obsolescence…
    • Resolved
    • 1 day ago
    • Amplifiers
    • Amplifiers forum
  • RE: OPA4227: OPA4227/integrator/Quadrature Oscillator

    Dennis Goeke
    Dennis Goeke
    Shambhu Did you get the parts and build your circuit? Did this resolve the issue? If you have more questions just post another reply. Dennis
    • over 4 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA4227: Product information related with Lifecycle

    user5101464
    user5101464
    Resolved
    Part Number: OPA4227 This is Joong-hyeok Lee, DMSMS researcher of Leoinnovision. Leoinnovision is the official EOL(End Of-Life)/obsolescence part manager of Korean Military (Army, Navy, Air force) and PLM agency of many defense industries (Hanwha, ADD…
    • Resolved
    • over 6 years ago
    • Amplifiers
    • Amplifiers forum
  • OPA4227 operating temperature and thermal-couple effects

    JWAN
    JWAN
    Other Parts Discussed in Thread: OPA4227 , OPA4188 We designed a circuit using two OPA4227 chips powered at +/- 15 V. The circuit diagram is as attached (U1-U4: OPA1, U5-U8: OPA2). We found both chips generated a lot of heat which caused significant drifts…
    • over 7 years ago
    • Amplifiers
    • Amplifiers forum
  • Difference between OPA4227 and OPA4209 op amp

    Abhijit Pethkar
    Abhijit Pethkar
    Other Parts Discussed in Thread: OPA4227 , OPA4209 What are the main difference including the internal designing of the ICs between the OPA4227 and OPA4209? We had checked the performance of both the ICs by doing simulations but found that both give the…
    • over 10 years ago
    • Amplifiers
    • Amplifiers forum
  • OPA37: Similar product with OPA37

    Li Chen92
    Li Chen92
    Part Number: OPA37 Other Parts Discussed in Thread: OPA4227 , OPA4228 Hi TI expert Please help to find a 4 channel amp and similar with OPA37. Best regards, Thomas
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • RE: Millivolt range AC to DC OP ?

    kai klaas69
    kai klaas69
    Resolved
    Hi Yordan, the OPA4228 is a decompensated version of the OPA4227 and is very much faster than the OPA4227. But the OPA4228 can only be used with a gain greater than 5. Theoretically, you could replace the first OPAmp in the circuit (U3 in my last simulation…
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • RE: OPA4277: Opamp Heats up

    Thomas Kuehl
    Thomas Kuehl
    Resolved
    Hi Shekhar, Since you are indeed using the OPA4227 there is the issue of the much higher power dissipation that I previously mentioned. Certainly, that device will get hotter than the OPA4277. Otherwise, I don't really see anything about your circuit…
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA1604: DIP 14 through hole equivelent

    Nathan Flanigan
    Nathan Flanigan
    Resolved
    Part Number: OPA1604 Other Parts Discussed in Thread: OPA4277 , OPA4131 , LT1014D , LT1014 , OPA404 , TLE2024A , OPA4228 , OPA4227 , OPA4241 , DIP-ADAPTER-EVM , Hi, I'm looking for a DIP 14 equivalent to the OPA 1604 quad opamp. Thanks!
    • Resolved
    • over 4 years ago
    • Audio
    • Audio forum
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