Maxim > Products > Wireless and RF > MAX2687, MAX2689, MAX2694

MAX2687, MAX2689, MAX2694

GPS/GNSS Low-Noise Amplifiers

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

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Status Explanations for product status codes

Part Number Status
MAX2687 Active: In Production.
MAX2689 Active: In Production. See Ordering Information for details.
MAX2694 Active: In Production.

Description

The MAX2687/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 provides a high gain of 17.8dB. The MAX2694 supplies 11.6dB of gain while attaining higher 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).
 

Data Sheet

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Key Features

  • High Power Gain: 17.8dB (MAX2687)
  • Low Noise Figure: 0.85dB (MAX2687)
  • Integrated 50Ω Output Matching Circuit
  • Low Supply Current: 4.5mA
  • 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)
 

Applications/Uses

  • 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
   

Key Specifications:

Low-Noise Amplifiers
Part Number RF Freq.
(MHz)
RF Freq.
(MHz)
Noise Figure
(dB)
Gain
(dB)
Input IP3
(dBm)
ISUPPLY
(mA)
Footprint
(mm x mm)
Package/Pins Budgetary Price
min max See Notes
MAX2689 NEW! 1575 1610 1.2 15.1 - 7.63 0.86 x 0.86
WLP/4
-
MAX2687  0.85 17.8 - 7.63
WLP/4
$0.50 @1k
MAX2694  0.97 11.6 6.85 4.5
WLP/4
$0.53 @1k
See All Low-Noise Amplifiers (33)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


Diagram

MAX2687, MAX2694: Typical Application Circuit
Typical Application Circuit

More Information

Topmark Coding MAX2687
Topmark Coding MAX2689
Topmark Coding MAX2694

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Information Index

Document Ref.: 19-6040 Rev 0; 2011-10-20
This page last modified: 2011-10-20




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