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  1. AN-1439: One-Stage Amplifier Design Consideration of a High Fidelity System
    Application Note
    With an increasing demand of built in, high fidelity systems for portable devices, for example, mobile phones and active headphones, amplifiers for larger driving power are widely implemented into high fidelity systems.

    PDF

    323.24 K

  2. AN-1429: Design Considerations and Solutions for Headphone Drivers in Mobile Phones
    Application Note
    This application note focuses on the circuit discussion and operational amplifier recommendations for this high fidelity headphone driver application.

    PDF

    215.47 K

  3. AN-1384: Pairing A Driver Amplifier with the AD7768/AD7768-4 or the AD7768-1
    Application Note

    Stuart Servis

    To design within the thermal budget requirements of high density data acquisition modules, customers must consider trade-offs for speed, bandwidth, and performance.
  4. AN-1375: Output Current Monitoring of High Voltage Class D Amplifiers
    Application Note

    Phillip Nanea,

    Paul Blanchard

    This application note outlines a circuit for monitoring the output current of a speaker in high voltage ranges using a Class D amplifier, AD8479, and ADA4805-1 for sound quality compensation and protection.
  5. AN-1328: High Performance, Low Noise Studio Microphone with MEMS Microphones, Analog Beamforming, and Power Management
    Application Note
    Circuit Function and Benefits The circuit shown in Figure 1 implements a professional grade studio or live performance microphone using up to 32 analog MEMS microphones connected to op amps and a difference amplifier. The circuit is designed to be very low noise and its output is linear for acoustic inputs up to 131 dB sound pressure level (SPL). The ±9 V and +1.8 V power rails are generated from two voltage regulators powered …
  6. AN-0993: Active Filter Evaluation Board for Analog Devices, Inc., Low Distortion Pinout Op Amps
    Application Note

    John Ardizzoni

    The EVAL-FLTR-LD-1RZ active filter evaluation board is designed to work with the Analog Devices, Inc., low distor- tion SOIC pinout op amps.
  7. Low Noise Amplifier Selection Guide for Optimal Noise Performance
    Application Note
    This application note briefly discusses the fundamentals of both internal and external noise and identifies the tradeoffs associated in selecting the optimal amplifier for low noise design.
  8. AN-763: Dual Universal Precision Op Amp Evaluation Board
    Application Note

    PDF

    172 kB

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Results on EngineerZone

1,237
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    1. OPAMP Output oscillating when driving ADC Input, ADA4807-1, AD9236

      Forum Thread
      Answered
      Operational Amplifiers
      24 September, 2024
      Image is showing an AD4807-1 based driver for ADC input.ADC is AD9236BCPZ-80 running at 12 MHz.At output of OPAMP I'm measuring approx. 200 mVp-p AC ripple looking somewhat as AM-modulated signal.At Pin 4 of OPAMP I'm measuring steady sinewave 1.2Vp …
      Operational Amplifiers (Op Amps)ADA4807-1hardwareada4807adc inputHigh Speed Op Amps (Bandwidth = 50MHz)AD9236BCPZ-80High Speed A/D Converters &gt;10 MSPSStandard High Speed A/D Converters

    2. ADA4807 max input current

      Forum Thread
      Answered
      Other Products (EN)
      26 January, 2024
      I cannot find where the Max input current is specified in the datasheet. If the input voltage may exceed the supply voltage for short periods what source resistance will I need to use to protect the device ? Many thanks, Ian
      Datasheet/Specsada4807

    3. ADA4807-4 Spice Model

      Forum Thread
      Answered
      Operational Amplifiers
      04 November, 2022
      Hi I did a simulation in LTSpice using the ADA4807-4 OpAmp. I want to use it to generate a triangular waveform. But my calculations do not match the simulation. I changed the OpAmp. And it works with all other OpAmps I tried with similar specifications. Is the spice model …
      Operational Amplifiers (Op Amps)Datasheet/Specsamplifiersada4807triangularLTspiceHigh Speed Op Amps (Bandwidth = 50MHz)ada4807-4

    4. ADA4807 Disable Thresholds

      Forum Thread
      Answered
      Operational Amplifiers
      22 July, 2022
      Table 10 of the datasheet for this part specifies the disable thresholds for +/-5V operation as: Enabled when > 1.6V Disabled when < 1.3V It also provides a graph (Figure 64) for determining the thresholds for any operating voltage. The thresholds provided by this graph are graph are higher (3 …
      Datasheet/Specsada4807

    5. ADA4807-1 had output oscillation on Non-inverting Topology

      Forum Thread
      Answered
      Operational Amplifiers
      15 January, 2021
      … of ADA4807-1 is 13.26MHz Oscillation waveform. My schematic of PCB is the same as LTspice. I use 100nF X7R & 6.8uF X5R on ADA4807-1 bypass capacitor. Following is the Oscilloscope waveform. CH1 is ADA4807-1 output, CH2 is ADA4807-1 input. Why dose the ADA4807-1 oscillation …
      Operational Amplifiers (Op Amps)ADA4807-1non_inverting_amplifieramplifiersada4807opampamplifierHigh Speed Op Amps (Bandwidth = 50MHz)

    6. Not able to understand ADA4807-2ACP's behavior

      Forum Thread
      Answered
      Differential Amplifiers and ADC Drivers
      19 December, 2020
      Hi I have set up the ADA4807 in simulation as shown in the picture below and I do not seem to get the gain unlike mentioned in the article A Low Power, Low Cost, Differential Input to a Single-Ended Output Amplifier | Analog Devices What am I doing wrong here …
      ada4807LTspice

    7. ADA4807 Spice Model Slew Rate Modeled Correctly?

      Forum Thread
      Answered
      Operational Amplifiers
      19 December, 2018
      Hello, I am using the ADA4807 model to model the ADA4807-2 in an active filter application where the output is a 10 MHz sinewave. The output has a peak voltage of 1.79 V. Theoretical calculation shows: Min Req Slew Rate = 2 * pi * 10 * f * Vpeak/(10^6) V …
      Operational Amplifiers (Op Amps)amplifiersspice modelspiceada4807slew rateopampHigh Speed Op Amps (Bandwidth = 50MHz)ada4807-2

    8. ADA4807

      Forum Thread
      Answered
      Other Products (EN)
      01 December, 2015
      Dear Analog Devices I am having challenge in understanding the datasheet on the ADA4807 (alternative AD8027), in respect of the output swing. My challenge is that I have an input from a potmeter, providing a voltage input to a “buffer”, using an opamp (ADA4841-1YRJZ) with gain +1. The …
      ada4807ada8027ada4841

    9. ADA4807: FAQ

      Docs & FAQs
      Amplifiers
      FAQ
      ada4807

    10. The spec table states the capacitive load drive of the ADA4807-2 is 15pF. Can the ADA4807-2 drive larger capacitor loads? Will this heavy capacitive load make the amplifier unstable?

      Docs & FAQs
      Amplifiers
      Q The spec table states the capacitive load drive of the ADA4807-2 is 15pF. Can the ADA4807-2 drive larger capacitor loads? Will this heavy capacitive load make the amplifier unstable? A Yes, the ADA4807-2 can drive larger capacitor loads. A capacitive load adds an extra pole to …
      ada4807