MAX2180A

AM/FM Car Antenna Low-Noise Amplifier

Industry-Leading AM/FM LNA with Adjustable Gain Control Saves Space, Cost and Improves Functionality


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Description

The MAX2180A is a highly integrated AM/FM variable-gain low-noise amplifier ideal for use in automotive active antenna applications. The device features separate AM and FM signal paths, each providing 30dB of gain range, controlled by individual on-chip power detectors. The AM signal path covers a 148kHz to 30MHz input frequency range, while the FM signal path covers 65MHz to 162.5MHz.

The device integrates a voltage regulator and pass transistor, allowing operation using battery voltages in the +6V to +24V range. On-chip thermal protection automatically limits junction temperatures during extreme thermal conditions.

The device is available in a small, 4mm x 4mm, TQFN package and operates over the extended industrial temperature range (-40°C to +85°C).
MAX2180A: Simplified Block Diagram MAX2180A: Simplified Block Diagram Enlarge+

Key Features

  • +6V to +24V Supply Voltage Range
  • Integrated AGC Function Eliminates External Pin Diodes
  • High Dynamic Range
  • Low-Noise Sub 3dB Noise Figure
  • Low External BOM
  • Integrated Thermal Protection
  • Small Package (4mm x 4mm TQFN)
  • Integrated Pass Device and Linear Regulator
  • Integrated Power Detector
  • Integrated Antenna Sense

Applications/Uses

  • Automotive Active Antenna

MAX2180AEVKIT: Evaluation Kit for the MAX2180A

Technical Documents

Tutorial 5100 General Layout Guidelines for RF and Mixed-Signal PCBs
Request Reliability Report for: MAX2180A 
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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