ADL6331

RECOMMENDED FOR NEW DESIGNS

0.38 GHz to 15 GHz TxVGA

Data Sheet (Rev. B) Product Selection Table
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Overview

  • Broadband TxVGA interfacing RF-DAC to beamformer and PA
  • Operating frequency range: 0.38 GHz to 15 GHz, 2 product variants
    • ADL6331-A: 0.38 GHz to 8.0 GHz
    • ADL6331-B: 1.0 GHz to 15.0 GHz
  • Optimizes common-mode rejection of RF-DAC, even-order harmonics, and intermodulation
  • 50 Ω differential inputs and 50 Ω single-ended outputs
  • Integrated broadband RF output balun
  • 70 dB of gain control range in 1 dB step
  • RF DSA range: 24.0 dB with 1.0 dB step
  • Amplifier bypass loss of 12 dB each
  • Asynchronous toggle between multiple pre-defined attenuation values and bypass amplifier stages.
  • Power gain at 4 GHz: 15.5 dB (ADL6331-A), 15.8 dB (ADL6331-B)
  • Noise figure at 4 GHz: 7.5 dB (ADL6331-A), 8.1 dB (ADL6331-B)
  • OIP3 at 4 GHz: 32.8 dBm (ADL6331-A), 31.8 dBm (ADL6331-B)
  • OIP2 at 4 GHz: 59.7 dBm (ADL6331-A), 56.2 dBm (ADL6331-B)
  • OP1dB at 4 GHz: 12.2 dBm (ADL6331-A), 12.3 dBm (ADL6331-B)
  • Fully programmable through a 3- or 4-wire SPI
  • Single 3.3 V supply
  • 24-terminal, 4.0 mm × 4.0 mm land grid array (LGA)

The ADL6331 transmit variable gain amplifier (TxVGA) provides an interface from RF digital-to-analog converters (RF DACs) to a singled-ended power amplifier (PA) signal chain. Each ADL6331 IC is composed of a balun, two differential RF amplifiers with bypass attenuators, and a digital step attenuator (DSA) to provide suitable transmitter performance in a 24-terminal, 4.0 mm x 4.0 mm LGA package.

Serial-port interface (SPI) control is available to configure RF signal paths or to optimize supply current vs. performance.

An integrated RF balun is used to provide a single-ended output over 0.38 GHz to 8.0 GHz (ADL6331-A) or 1.0 GHz to 15.0 GHz (ADL6331-B) with good impedance match.

Applications

  • Aerospace and defense
  • Instrumentation and test equipment
  • Communication systems

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    ADL6331
    0.38 GHz to 15 GHz TxVGA
    ADL6331 - Chip Image ADL6331 Functional Block Diagram ADL6331 Pin Configuration
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    Documentation

    Data Sheet 1

    User Guide 1

    Application Note 1

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    Software Resources

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    Hardware Ecosystem

    Parts Product Life Cycle Description
    LDO Linear Regulators 1
    LTM4709
    		RECOMMENDED FOR NEW DESIGNS Triple 3A, Ultralow Noise, High PSRR, Ultrafast μModule Linear Regulator with Configurable Output Array
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    Tools & Simulations

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    LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

    Evaluation Kits

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    EVAL-ADL6331

    Evaluating the ADL6331, 0.38 GHz to 15 GHz Transmitter VGA

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    Features and Benefits

    • Full featured evaluation board for the ADL6331-EVALZA
    • Single-supply operation
    • Easy to use interface with Analysis | Control | Evaluation (ACE) software

    Product Details

    The ADL6331-EVALZA evaluation board allows the manual control of the ADL6331 through the USB port on a Microsoft® Windows® PC via an SDP-S interface board.

    Additional information on the ADL6331 is provided in the ADL6331 data sheet. Consult the data sheet in conjunction with this user guide when using the ADL6331-EVALZA evaluation board.
    EVAL-ADL6331
    Evaluating the ADL6331, 0.38 GHz to 15 GHz Transmitter VGA
    ADL6331-EVALZ Board Photo Angle View ADL6331-EVALZ Board Photo Top View ADL6331-EVALZ Board Photo Bottom View

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