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Results on Analog.com

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  1. AD8057
    Production
    Product
    Video Operational Amplifiers (Op Amps)
    Low Cost, Single, High Performance Voltage Feedback, 325 MHz Amplifier
    AD8057

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  2. AD8057/AD8058: Low Cost, High Performance Voltage Feedback, 325 MHz Amplifiers Data Sheet
    Data Sheet

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    286 kB

  3. AD8557
    Recommended for new designs
    Product
    Instrumentation Amplifiers
    Digitally Programmable Sensor Signal Amplifier
    AD8557

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  4. AD8058
    Production
    Product
    Video Operational Amplifiers (Op Amps)
    Low Cost, Dual, High Performance Voltage Feedback, 325 MHz Amplifier
    AD8058

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  5. AD8017
    Production
    Product
    Low Noise Op Amps (≤ 10nV/√Hz)
    Low Cost, High Output Current, High Output Voltage Line Driver
    AD8017

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  6. AD8055
    Production
    Product
    Video Operational Amplifiers (Op Amps)
    Low Cost, Single, 300 MHz Voltage Feedback Amplifier
    AD8055

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  7. AD8067
    Production
    Product
    Low Input Bias Current Op Amps (≤100 pA)
    High Gain Bandwidth Product, Precision FastFET™ Op Amp
    AD8067

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  8. AD8007
    Production
    Product
    Low Noise Op Amps (≤ 10nV/√Hz)
    Ultralow Distortion, High Speed Amplifiers
    AD8007

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  9. AD8047
    Production
    Product
    Video Operational Amplifiers (Op Amps)
    250 MHz, General Purpose Voltage Feedback Op Amps Gain 1 Stable
    AD8047

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  10. AD8056
    Production
    Product
    Video Operational Amplifiers (Op Amps)
    Low Cost, Dual, 300 MHz Voltage Feedback Amplifier
    AD8056

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    1. RE: Any Single supply highspeed opamp 5V or comparator to replace AD847AR?

      Forum Reply
      Operational Amplifiers
      29 July, 2016
      Thank you very much. Actually I have used A847AR already in the PCB and I want to replace it with proper IC. Ad8469 is not pin compatible with AD847. May be AD8057ARZ will do the job. I will try. Thanks again. Santhosh

    2. AD8657ARMZ latch-up phenomena

      Forum Thread
      Answered
      Operational Amplifiers
      16 April, 2015
      Hello, Colleagues ! Looks like i have some problem with ADI's AD8657 op-amps under certain operating conditions. I attach my schematics so it might be easier to describe and understand the case: A brief schematics description: I have a prototype of a so-called paraphase precision amplifier based on …
      Operational Amplifiers (Op Amps)amplifiersPrecision Op Amps (Vos ≤1mV & TCVos ≤2uV/C)ad8657

    3. RE: AD8657ARMZ latch-up phenomena

      Forum Reply
      Operational Amplifiers
      24 August, 2015
      Hello Anton, I am glad your problem has been solved. Thank you for the great amount of detail that you included in your original question. This initial effort goes a long way toward finding a solution. Regards, Mark Reisiger

    4. RE: AD8657ARMZ latch-up phenomena

      Forum Reply
      Operational Amplifiers
      21 August, 2015
      Hello Mark and others (if still watching) Looks like my problem has been solved completely. Thank you very much for detailed and accurate explanation of what's happened to my op-amps. We may consider this thread closed and answered. Please sorry for being silent for long time, that's …

    5. RE: AD8657ARMZ latch-up phenomena

      Forum Reply
      Operational Amplifiers
      20 April, 2015
      Hello, I used the term NVM to describe any on-chip storage technology, not specifically EEPROM. The number of Digitrim products has greatly expanded since the writing of MT-37 and they are not limited to a specific memory technology. I agree that this blurs the distinction between 1. and …

    6. RE: AD8657ARMZ latch-up phenomena

      Forum Reply
      Operational Amplifiers
      19 April, 2015
      Hello, Mark, and thank you for your detailed response ! Looks like you're describing exactly the same effect i've seen on my amp. But wait .. are you going to say that 8657 really use a "EEPROM-style" trimming technology ? There're some tutorials (MT-037 for example) from ADI …

    7. RE: AD8657ARMZ latch-up phenomena

      Forum Reply
      Operational Amplifiers
      17 April, 2015
      Hi, This is likely a problem with the Power On Reset (POR) circuit inside the amplifier malfunctioning due to your power supply sequence. Let me explain: The AD8657 is a Digitrim amplifier, which means that it achieves its excellent Vos performance by nulling out the matching errors with a …

    8. RE: AD8657ARMZ latch-up phenomena

      Forum Reply
      Operational Amplifiers
      17 April, 2015
      Harry, and others watching, hello again ! I spent some time to do some study of capacitive feed through process described by you, and yes - it will result in a glitch when powering on, but that isn't our case actually. Perhaps they both have something common in its background, but …

    9. RE: AD8657ARMZ latch-up phenomena

      Forum Reply
      Operational Amplifiers
      16 April, 2015
      Yeah, Harry, I know about that properties of 8657 chip but unfortunately i have no choice in this case because of: a) Rather big supposed working temperature range (8657 has shown excellent results in the whole range denoted in datasheet). b) Perfect EMI immunity (as i've mentioned before). I …

    10. RE: AD8657ARMZ latch-up phenomena

      Forum Reply
      Operational Amplifiers
      16 April, 2015
      Thanks, Harry ! You may click on the picture and it will grow bigger. I've uploaded an image having 1600 px wide. Nevertheless I attach an additional pdf for you. You're right, the whole module behaves a bit better when heated up to 125 deg. Btw - only some of …