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Results on Analog.com

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  1. AD820
    Production
    Product
    Low Input Bias Current Op Amps (≤100 pA)
    Single-Supply, Rail-to-Rail, Low Power FET-Input Op Amp
    AD820

    PDF

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    Documentation

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    Sample & Buy

  2. AN-627: AD5235 Evaluation Kit User Manual
    Application Note

    PDF

    367 kB

  3. AN-628: ADN2850 Evaluation Kit User Manual
    Application Note

    PDF

    385 kB

  4. AD420
    Production
    Product
    4-20mA Current Loop D/A Converters
    Serial Input 16-Bit, 4-20 mA, 0-20 mA DAC
    AD420

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    Documentation

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  5. AD822
    Production
    Product
    Low Input Bias Current Op Amps (≤100 pA)
    Single-Supply, Rail-to-Rail Low Power FET-Input Dual Op Amp
    AD822

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  6. AD620
    Production
    Product
    Instrumentation Amplifiers
    Low Drift, Low Power Instrumentation Amp with Set Gains of 1 to 10000
    AD620

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  7. AD826
    Production
    Product
    High Speed Op Amps (Bandwidth ≥ 50MHz)
    Low Cost, High Speed, Low Power Dual Operational Amplifier
    AD826

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  8. AD830
    Production
    Product
    Difference Amplifiers
    High Speed, Video Difference Amplifier
    AD830

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  9. AD810
    Production
    Product
    Low Noise Op Amps (≤ 10nV/√Hz)
    Low Power Video Op Amp with Disable
    AD810

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  10. AD828
    Production
    Product
    Low Noise Op Amps (≤ 10nV/√Hz)
    Dual, Low Power Video Op Amp
    AD828

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Results on EngineerZone

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    1. AD620AN opamp problem

      Forum Thread
      Answered
      Instrumentation Amplifiers
      25 March, 2023
      Hello, I want to read sensors with AD620AN. I am using wheatstone bridge. However, opamp doesnt give a reasonable output. Therefore, I build a test circuit. I attached the screenshot of my circuit. Is this circuit correct for testing the opamp? I am using LTSPICE and SPICE file that Analog …
      hardware

    2. AD620ANZ Instrumentation Amplifier acts as an single operational amplifier.

      Forum Thread
      Answered
      Instrumentation Amplifiers
      02 July, 2020
      … they worked. I tried them gain of 10 and 1000 with inverting and non-inverting mode. Is there anyone met this kind of problem. They are working as an single opamp not an instrumentation amplifier. The package marking on devices are all same, the marking is: AD620ANZ #1839 1780933 Thanks.
      amplifiersInstrumentation Amplifiersad620

    3. ad823an 4OPAMP single package

      Forum Thread
      Answered
      Operational Amplifiers
      11 November, 2015
      Hello, I am looking for an OPAMP similar to AD823AN; I need 4 OPAMPs in single package is TSSOP16. Vcc min 2.7V; also one of the OPAMPs will be use as trance impedance amplifier, to amplify signal from LED Can you please advise, Thank you

    4. what will a AD820ARZ do if I supply VCC=3.3 with low current output?

      Forum Thread
      Answered
      Operational Amplifiers
      23 March, 2018
      See the attached schematic. BSL Enable just goes to a port on the MCU so no current draw to speak of. The photo diode receives a signal from a device that transmits via visable light. The circuit has been working well but I just noticed that Vcc at 3.3V …
      Operational Amplifiers (Op Amps)amplifiersLow Input Bias Current Op Amps (≤100 pA)ad820

    5. RE: AD620AN opamp problem

      Forum Reply
      Instrumentation Amplifiers
      28 March, 2023
      Hello electrosurfer, with the given parameters, your circuit violates the allowed input voltage range on all inputs. The amplifier will not run in spec, and so it cannot guarantue its intended parameters (like accuracy). Maybe the output comes nevertheless close to the correct value - but it's not guarantued. I …

    6. RE: AD620AN opamp problem

      Forum Reply
      Instrumentation Amplifiers
      28 March, 2023
      thank you for your comments. my main purpose is this circuit. R3 is the sensor 0-190ohm. this circuit converts 0-190ohm to 1-5V. when designing something, can i trust the results on the LTSPICE ?. ad620denee.asc

    7. RE: AD620AN opamp problem

      Forum Reply
      Instrumentation Amplifiers
      28 March, 2023
      Hello electrosurfer, the AD620 is not a simple OpAmp, it's an instrumentation amplifier (consisting of several OpAmps internally). For this type of amplifier one has to consider carefully the allowed voltage ranges of all inputs. In your simulation example, the input Vref (0V) is not in the allowed voltage …

    8. RE: AD620AN opamp problem

      Forum Reply
      Instrumentation Amplifiers
      28 March, 2023
      Hi Electrosurfer, Good day! For bridge sensor simulation you may check the link below on how to model bridge sensor in LTSpice. SPICE Model for a Full Bridge Strain Gauge Sensor I hope this helps. Best regards, Franz

    9. RE: AD620ANZ Instrumentation Amplifier acts as an single operational amplifier.

      Forum Reply
      Instrumentation Amplifiers
      03 July, 2020
      Can't tell much from the picture. It could be you hooked them up wrong. Are you trying to use on single supply? Post your schematic. Harry

    10. RE: AD620ANZ Instrumentation Amplifier acts as an single operational amplifier.

      Forum Reply
      Instrumentation Amplifiers
      03 July, 2020
      Thanks for sharing the document, well explaining the counterfeit parts. I don't know what is happened this IC's, here is the photos of one IC, what is your idea?