MAX2689

GPS/GNSS Low-Noise Amplifiers

Low-Noise-Figure GPS LNAs in an Ultra-Small WLP Offer Versions with Different Levels of Gain

Data Sheet (Rev. 2)
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Overview

  • High Power Gain: 17.8dB (MAX2687)
  • Low Noise Figure: 0.85dB (MAX2687)
  • Integrated 50Ω Output Matching Circuit
  • Low Supply Current: 4.5mA (MAX2694)
  • Wide Supply Voltage Range: 1.6V to 3.6V
  • Low Bill of Materials: One Inductor, Two Capacitors
  • Small Footprint: 0.86mm x 0.86mm
  • 0.4mm-Pitch Wafer-Level Package (WLP)

The MAX2687/MAX2689/MAX2694 low-noise amplifiers (LNAs) are designed for GPS L1, Galileo, and GLONASS applications. Designed in Maxim's advanced SiGe process, the devices achieve high gain and low noise figure while maximizing the input-referred 1dB compression point and the 3rd-order intercept point. The MAX2687/MAX2689/MAX2694 provide high gains of 12dB, 15dB, and 18dB, respectively. Each is optimized for high linearity.
The devices operate from a +1.6V to +3.6V single supply. The optional shutdown feature in the devices reduces the supply current to less than 10µA. The devices are available in a very small, lead-free, RoHS-compliant, 0.86mm x 0.86mm x 0.65mm wafer-level package (WLP).

Applications

  • Automotive Navigation
  • Avionics
  • Cellular Phones with GPS
  • Digital Cameras
  • Notebook PCs/Ultra-Mobile PCs
  • Personal Navigation Devices (PNDs)
  • Recreational, Marine Navigation
  • Telematics (Asset Tracking and Management)
  • Watches
MAX2689
GPS/GNSS Low-Noise Amplifiers
MAX2687, MAX2694: Typical Application Circuit
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Documentation

Data Sheet 1

Technical Articles 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Low-Noise Amplifiers (LNAs) & Power Amplifiers 4
MAX2659
PRODUCTION GPS/GNSS Low-Noise Amplifier
MAX12000
PRODUCTION 1575MHz GPS Front-End Amplifier
MAX2654
1575MHz/1900MHz Variable-IP3 Low-Noise Amplifiers
MAX2655
PRODUCTION 1575MHz/1900MHz Variable-IP3 Low-Noise Amplifiers
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