Overview

Features and Benefits

  • High performance at low power
  • High speed
    • −3 dB bandwidth of 560 MHz, G = 1
    • 0.1 dB gain flatness to 300 MHz
    • Slew rate: 2800 V/μs, 25% to 75%
    • Fast 0.1% settling time of 9 ns
  • Low power: 9.6 mA per amplifier
  • Low harmonic distortion
    • 100 dB SFDR at 10 MHz
    • 90 dB SFDR at 20 MHz
  • Low input voltage noise: 3.6 nV/√Hz
  • ±0.5 mV typical input offset voltage
  • Externally adjustable gain
  • Can be used with gains less than 1
  • Differential-to-differential or single-ended-to-differential operation
  • Adjustable output common-mode voltage
  • Input common-mode range shifted down by 1 VBE
  • Wide supply range: +3 V to ±5 V
  • Available in 16-lead and 24-lead LFCSP packages

Product Details

The ADA4932-1 / ADA4932-2 are the next generation AD8132 with higher performance and lower noise and power consumption. They are an ideal choice for driving high performance ADCs as a single-ended-to-differential or differential-to-differential amplifier. The output common-mode voltage is user adjustable by means of an internal common-mode feedback loop, allowing the ADA4932-1 / ADA4932-2 output to match the input of the ADC. The internal feedback loop also provides exceptional output balance as well as suppression of even-order harmonic distortion products.

With the ADA4932-1 / ADA4932-2, differential gain configurations are easily realized with a simple external four-resistor feedback network that determines the closed-loop gain of the amplifier.

The ADA4932-1 / ADA4932-2 were fabricated using the Analog Devices, Inc., proprietary silicon-germanium (SiGe) complementary bipolar process, enabling it to achieve low levels of distortion and noise at low power consumption.

The low offset and excellent dynamic performance of the ADA4932-1/ADA4932-2 make them well suited for a wide variety of data acquisition and signal processing applications.

The ADA4932-1 is available in a 16-lead LFCSP, and the ADA4932-2 is available in a 24-lead LFCSP. The pinouts are optimized to facilitate the printed circuit board (PCB) layout and minimize distortion. The ADA4932-1/ADA4932-2 are specified to operate over the −40°C to +105°C temperature range; both operate on supplies between +3 V and ±5 V.

APPLICATIONS

  • ADC drivers
  • Single-ended-to-differential converters
  • IF and baseband gain blocks
  • Differential buffers
  • Line drivers

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits (1)

Documentation & Resources

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  • Application Notes (4)
  • User Guides (1)
  • Tutorials (3)
  • Product Selection Guide (1)
  • Circuit Note (1)
  • Technical Articles (3)
  • Webcasts (1)
  • Rarely Asked Questions (4)
  • Tools & Simulations

    LTspice

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    LTspice

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    ADA4932

    Precision ADC Driver Tool

    The Precision ADC Driver Tool is a web application that simulates the performance of precision ADC and driver combinations. Potential issues with driver selection, kickback settling, and distortion are flagged, and design tradeoffs can be quickly evaluated. Simulations and calculations include system noise, distortion, and settling of the ADC input

    Precision ADC Driver Tool

    SPICE Models

    Design Tools

    ADI DiffAmpCalc™

    ADI's new ADI DiffAmpCalc™ is a free, downloadable calculator for designing differential amplifier circuits. The tool is easy to use and features an interactive user interface to quickly get you up and running.

    Reference Designs (1)

    Design Resources

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    Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.