Top

FM Automotive Low-Noise Amplifier

Smaller BOM and Cost with Programmable Attack Point and Gain

Product Details

Key Features

Parametric specs for Low-Noise Amplifiers
RF Freq. (MHz) (min) 76
RF Freq. (MHz) (max) 162.5
Gain (dB) 8.5
Noise Figure (dB) 2.7
ISUPPLY (mA) 56
Footprint (mm x mm) 3.0 x 3.0
Package/Pins TQFN/16
Budgetary
Price (See Notes)
0.87
View Less

Simplified Block Diagram

Technical Docs

Data Sheet FM Automotive Low-Noise Amplifier Mar 18, 2013

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

Parameters

Parametric specs for Low-Noise Amplifiers
RF Freq. (MHz) (min) 76
RF Freq. (MHz) (max) 162.5
Gain (dB) 8.5
Noise Figure (dB) 2.7
ISUPPLY (mA) 56
Footprint (mm x mm) 3.0 x 3.0
Package/Pins TQFN/16
Budgetary
Price (See Notes)
0.87

Key Features

  • +5V Supply Voltage
  • Integrated AGC Function Eliminates External Pin Diodes
  • High Dynamic Range
  • Low-Noise, Sub 3dB Noise Figure
  • Low External BOM
  • Small Package (3mm x 3mm TQFN)
  • Integrated Power Detector

Applications/Uses

  • Automotive Active Antenna
  • Automotive Head Unit

Description

The MAX2181A is a highly integrated FM variable-gain low-noise amplifier ideal for use in automotive FM and FM-diversity active antenna applications. The device features an FM signal path, providing 30dB of gain range, controlled by an on-chip power detector. The FM signal path covers 76MHz to 162.5MHz.

The device is available in a small, 3mm x 3mm, TQFN package and operates over the extended industrial temperature range (-40°C to +85°C).

Simplified Block Diagram

MAX2181A: Simplified Block Diagram MAX2181A: Simplified Block Diagram Zoom icon

Technical Docs

Data Sheet FM Automotive Low-Noise Amplifier Mar 18, 2013

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .