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ADL5331 Datasheet 1MHz to 1.2GHz VGA

Manufacturer: Analog Devices

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General Description

The ADL5331 is a high performance, voltage-controlled variable gain amplifier/attenuator for use in applications with frequencies up to 1.2 GHz.

The balanced structure of the signal path maximizes signal swing, eliminates common-mode noise and minimizes distortion while it also reduces the risk of spurious feed-forward at low gains and high frequencies caused by parasitic coupling.

The 50 Ω differential input system converts the applied differential voltage at INHI and INLO to a pair of differential currents with high linearity and good common-mode rejection.

Overview

1 MHz to 1.2 GHz VGA with 30 dB Gain Control Range ADL5331.

Key Features

  • Voltage-controlled amplifier/attenuator Operating frequency: 1 MHz to 1.2 GHz Optimized for controlling output power High linearity: OIP3 47 dBm @ 100 MHz Output noise floor:.
  • 149 dBm/Hz @ maximum gain Input impedance: 50 Ω Output impedance: 20 Ω Wide gain-control range: 30 dB Linear-in-dB gain control function: 40 mV/dB Single-supply voltage: 4.75 V to 5.25 V.

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