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EVALUATION KIT AVAILABLE
MAX2659
GPS/GNSS Low-Noise Amplifier
General Description
The MAX2659 high-gain, low-noise amplifier (LNA) is
designed for GPS, Galileo, and GLONASS applications.
Designed in Maxim ’s advanced SiGe process, the
device achieves a 20.5dB gain and an ultra-low-noise
figure of 0.8dB while maximizing the input-referred 1dB
compression point and the 3rd-order intercept point at
-12dBm and -5dBm, respectively.
The MAX2659 operates from a +1.6V to +3.6V single
supply and consumes only 4.1mA. The shutdown fea-
ture in the device reduces the supply current to be less
than 1μA. The MAX2659 is available in a very small,
lead-free, RoHS-compliant, 1.5mm x 1.0mm x 0.75mm,
6-pin μDFN package.
Features
o High-Power Gain: 20.5dB
o Ultra-Low-Noise Figure: 0.8dB
o Integrated 50 ? Output Matching Circuit
o Low Supply Current: 4.1mA
o Wide Supply Voltage Range: 1.6V to 3.6V
o Low Bill of Materials
o Small Footprint: 1.5mm x 1.0mm
o Thin Profile: 0.75mm
o Lead-Free and RoHS-Compliant Package
.
Applications
Ordering Information
Automotive Navigation
Location-Enabled Mobile Devices
PART
MAX2659ELT+
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
6 μDFN
Telematics (Asset Tracking and Management)
Personal Navigation Device (PND)
Cellular Phones with GPS
Notebook PC/Ultra-Mobile PC
Recreational, Marine Navigation
MAX2659ELT/V+ -40°C to +85°C 6 μDFN
+Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
Visit www.maximintegrated.com/products/patents for
product patent marking information.
Avionics
Pin Configuration/Functional Diagram/Typical Application Circuit
+
MAX2659
GND
GND
1
2
6
5
RFOUT
SHDN
RF
OUTPUT
LOGIC
CONTROL
V CC
RF
INPUT
C1
L1
RFIN
3
BIAS
4
V CC
C2
L1 = 6.8nH
C1 = 470pF
C2 = 33nF
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-0797; Rev 4; 8/11
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