Low-Noise, High-Linearity Broadband Amplifier

Broadband Low-Noise Amplifier Has Differential Output and On-Chip Op Amp

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The MAX3524 broadband amplifier is designed specifically for cable television receiver and cable modem applications. The MAX3524 is a single-ended input, differential-output low-noise amplifier (LNA) that offers 15dB of gain. It operates from a +4.75V to +5.25V single supply from 44MHz to 880MHz. The MAX3524 includes an operational amplifier that is used to control an off-chip pin attenuator circuit at the input of the LNA. The attenuator is typically used to regulate the input signal to a value that maintains high linearity for large signals. The MAX3524 is available in a 10-pin µMAX® package with an exposed paddle (EP) and operates in the extended temperature range (-40°C to +85°C).
MAX3524: Typical Application Circuit MAX3524: Typical Application Circuit Enlarge+

Key Features

  • Single-Ended Input, Differential Output
  • +4.75V to +5.25V Single-Supply Operation
  • Broadband Operation: 44MHz to 880MHz
  • Low Noise Figure: 4.2dB
  • High Linearity: IIP2 (42dBm), IIP3(14dBm)
  • Voltage Gain: 15dB
  • Independent On-Chip Op Amp


  • Broadband Amplifier
  • Cable Modems
  • Cable Set-Top Boxes
  • CATV Infrastructure

Technical Documents

Tutorial 5100 General Layout Guidelines for RF and Mixed-Signal PCBs
Request Reliability Report for: MAX3524 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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