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Maxim Integrated Products - (MAX2657 / MAX2658) GPS/GNSS Low-Noise Amplifiers

Numéro de référence MAX2657
Description (MAX2657 / MAX2658) GPS/GNSS Low-Noise Amplifiers
Fabricant Maxim Integrated Products 
Logo Maxim Integrated Products 





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MAX2657 fiche technique
MAX2657/MAX2658
EVALUATION KIT AVAILABLE
GPS/GNSS Low-Noise Amplifiers
General Description
The MAX2657/MAX2658 high-gain, low-noise amplifiers
(LNAs) are designed for GPS L1, Galileo, and GLONASS
applications. Designed in Maxim's advanced SiGe pro-
cess, the devices achieve a high gain and an ultra-low-
noise figure while maximizing the input-referred 1dB
compression point and the 3rd-order intercept point.
The MAX2657/MAX2658 operate from a +1.6V to +3.3V
single supply. The MAX2657 is optimized for low current.
The MAX2658 is optimized for high linearity. The shut-
down feature in the device reduces the supply current to
be less than 1µA. The MAX2657/MAX2658 are available
in a very small, lead-free, RoHS-compliant, 0.86mm x
1.26mm x 0.65mm, wafer-level package (WLP).
Applications
● Location-Enabled Mobile Devices
● Telematics (Asset Tracking and Management)
● Personal Navigation Devices (PNDs)
● Cellular Phones with GPS
● Notebook PCs/Ultra-Mobile PCs
● Recreational, Marine Navigation
● Avionics
● Watches
Features
● High-Power Gain: 19dB (MAX2657)
● Ultra-Low-Noise Figure: 0.8dB
Integrated 50Ω Output Matching Circuit
● Low Supply Current: 4.1mA (MAX2657)
● Wide Supply Voltage Range: 1.6V to 3.3V
● Low Bill of Materials: One Inductor, Two Capacitors
● Small Footprint: 0.86mm x 1.26mm
● Thin Profile: 0.65mm
● 0.4mm-Pitch Wafer-Level Package (WLP)
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX2657EWT+T
-40°C to +85°C
6 WLP
MAX2658EWT+T
-40°C to +85°C
6 WLP
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
Pin Configuration/Typical Application Circuit
SHDN
+
A1
MAX2657
MAX2658
BIAS
RF
INPUT
C1 L1 RFIN
B1
A2 RFOUT
RF
OUTPUT
B2 VCC
VCC
C2
GND C1
C2 GND
L1 = 6.2nH (MAX2657)
C1 = 820pF (MAX2657)
C2 = 33nF
L1 = 2.7nH (MAX2658)
C1 = 1500pF (MAX2658)
19-4956; Rev 1; 4/14

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