ADA4856-3

PRODUCTION

Single-Supply, High Speed, Fixed G = +2, Rail-to-Rail Output Video Amplifier

Data Sheet (Rev. B) Product Selection Table
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Overview

  • Voltage feedback architecture
  • High speed amplifier
    -3 dB bandwidth: 225 MHz
    0.1 dB flatness at 2 V p-p: 74 MHz
    Slew rate: 800 V/µs
    Settling time to 0.1% with 2 V step: 5 ns
  • High input common-mode voltage range
    -VS − 0.2 V to +VS − 1 V
  • Rail-to-rail output swing: 0.1 V to 4.9 V
  • Supply range: 3 V to 5.5 V
  • Differential gain error: 0.01%
  • Differential phase error: 0.01°
  • Low power
    7.8 mA/amplifier typical supply current
    Power-down feature
  • Available in 16-lead LFCSP

The ADA4856-3 (triple) is a fixed gain of +2, single-supply, rail-to-rail output video amplifier. It provides excellent video performance with 225 MHz, −3 dB bandwidth, 800 V/μs slew rate, and 74 MHz, 0.1 dB flatness into a 150 Ω load. It has a wide input common-mode voltage range that extends 0.2 V below ground and 1 V below the positive rail. In addition, the output voltage swings within 200 mV of either supply, making this video amplifier easy to use on single-supply voltages as low as 3.3 V.

The ADA4856-3 offers a typical low power of 7.8 mA per amplifier, while being capable of delivering up to 52 mA of load current. It also features a power-down function for power sensitive applications that reduces the supply current to 1 mA.

The ADA4856-3 is available in a 16-lead LFCSP and is designed to work over the extended industrial temperature range of −40°C to +105°C.

Applications

  • Professional video
  • Consumer video
  • Imaging
  • Instrumentation
  • Base stations
  • Active filters
  • Buffers

    • Data Sheet, Rev. A, 01/2009
    ADA4856-3
    Single-Supply, High Speed, Fixed G = +2, Rail-to-Rail Output Video Amplifier
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    Documentation

    Data Sheet 1

    User Guide 1

    Application Note 3

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    Tools & Simulations

    VRMS/dBm/dBu/dBV calculators

    A utility to convert between standard units of power measurement and signal strength.

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    Power Dissipation vs Die Temp

    This tool estimates die temperature and power dissipation based on the supply voltages, ambient temperature, load characteristics, and package thermal data.

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    Evaluation Kits

    EVAL-ADA4856-3

    ADA4856-3 Evaluation Board

    Buy Now View Details

    Product Details

    These evaluation boards are designed to help users evaluate the ADA4856-3. The evaluation board is a BARE BOARD. There are no components or amplifiers soldered to the board. These parts must be obtained separately from the table below or on the product page. Free samples may also be requested. The unpopulated board enables users to quickly customize and prototype a variety of op amp circuits, which minimizes risk and reduces time to market.


    The User Guide contains all the required documentation to build the board, including schematics, assembly drawing, and Bill of Materials
    EVAL-ADA4856-3
    ADA4856-3 Evaluation Board

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