MAX2688EWS+T Maxim Integrated Products, MAX2688EWS+T Datasheet

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MAX2688EWS+T

Manufacturer Part Number
MAX2688EWS+T
Description
RF Amplifier GPS-GNSS Low-Noise A Low-Noise Amplifiers
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX2688EWS+T

Lead Free Status / RoHS Status
Lead free / RoHS Compliant
19-5456; Rev 0; 8/10
The MAX2686/MAX2688 low-noise amplifiers (LNAs) are
designed for GPS L1, Galileo, and GLONASS applica-
tions. Designed in Maxim’s advanced SiGe process,
the devices achieve high gain and ultra-low-noise figure
while maximizing the input-referred 1dB compression
point and the 3rd-order intercept point. The MAX2686
provides a high gain of 19dB. The MAX2688 supplies
15dB of gain while attaining higher linearity.
The devices operate from a +1.6V to +3.3V single sup-
ply. The optional shutdown feature in the devices reduc-
es the supply current to less than 10FA. The devices
are available in a very small, lead-free, RoHS-compliant,
0.86mm x 0.86mm x 0.65mm wafer-level package (WLP).
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Automotive Navigation
Telematics (Asset Tracking and Management)
Personal Navigation Devices (PNDs)
Cellular Phones with GPS
Notebook PCs/Ultra-Mobile PCs
Recreational, Marine Navigation
Avionics
Watches
Digital Cameras
_______________________________________________________________ Maxim Integrated Products 1
General Description
INPUT
RF
Applications
C1
GPS/GNSS Low-Noise Amplifiers
V
CC
C2
L1
RFIN
V
CC
A1
B1
MAX2686
L1 = 6.8nH
C1 = 100nF
C2 = 10pF
MAX2686
MAX2688
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
S High-Power Gain: 19dB (MAX2686)
S Ultra-Low-Noise Figure: 0.75dB (MAX2686)
S Integrated 50Ω Output Matching Circuit
S Low Supply Current: 4.1mA
S Wide Supply Voltage Range: 1.6V to 3.3V
S Low Bill of Materials: One Inductor, Two
S Small Footprint: 0.86mm x 0.86mm
S Thin Profile: 0.65mm
S 0.4mm-Pitch Wafer-Level Package (WLP)
MAX2686EWS+T
MAX2688EWS+T
L1 = 6.2nH
C1 = 100nF
C2 = 10pF
MAX2688
Capacitors
PART
A2
B2
RFOUT
GND
Typical Application Circuit
OPTIONAL SHUTDOWN
R1
25kI
RF
OUTPUT
SHDN
-40NC to +85NC
-40NC to +85NC
TEMP RANGE
Ordering Information
PIN-PACKAGE
4 WLP
4 WLP
Features

Related parts for MAX2688EWS+T

MAX2688EWS+T Summary of contents

Page 1

... S Integrated 50Ω Output Matching Circuit S Low Supply Current: 4.1mA S Wide Supply Voltage Range: 1.6V to 3.3V S Low Bill of Materials: One Inductor, Two Capacitors S Small Footprint: 0.86mm x 0.86mm S Thin Profile: 0.65mm S 0.4mm-Pitch Wafer-Level Package (WLP) PART MAX2686EWS+T MAX2688EWS+T +Denotes a lead(Pb)-free/RoHS-compliant package Tape and reel. MAX2686 MAX2688 ...

Page 2

GPS/GNSS Low-Noise Amplifiers ABSOLUTE MAXIMUM RATINGS V to GND ..........................................................-0.3V to +3.6V CC Other Pins to GND ...............-0. Operating V Maximum RF Input Power ............................................... +5dBm Continuous Power Dissipation (T = +70°C) A 4-Bump WLP (derates 9.7mW/°C above ...

Page 3

AC ELECTRICAL CHARACTERISTICS (continued) (MAX2686/MAX2688 EV kit 1.6V to 3.3V +25NC, unless otherwise noted.) (Note 2) A PARAMETER Output Return Loss Reverse Isolation Note 2: Min and max limits guaranteed by test at T ...

Page 4

GPS/GNSS Low-Noise Amplifiers (MAX2686/MAX2688 EV kit. Typical values are at V MAX2688 IN-BAND IIP3 vs. SUPPLY VOLTAGE AND TEMPERATURE (TWO TONES LOCATED AT 1MHz AND 2MHz OFFSET WITH -30dBm/TONE -40° ...

Page 5

BUMP NAME A1 V Supply Voltage. Bypass to ground with a 10pF capacitor as close as possible to the IC Output/SHDN Input. RFOUT is internally matched to 50I and pulled RFOUT A2 resistor. SHDN is ...

Page 6

GPS/GNSS Low-Noise Amplifiers Table 1. MAX2686 Typical S Parameter Values and K-Factor S11 S11 FREQ. MAG PHASE (MHz) (dB) (DEGREES) 1000 -2.9 -26.8 1100 -3.1 -27.2 1200 -3.4 -27.0 1300 -3.5 -28.0 1400 -3.5 -28.3 1500 -3.9 -29.0 1575 -4.1 ...

Page 7

Table 4. MAX2688 Typical Noise Parameters (V FREQUENCY (MHz) FMIN (dB) 1550 0.73 1560 0.74 1570 0.74 1575 0.74 1580 0.74 1590 0.74 1600 0.74 Applications Information A properly designed PCB is essential to any RF micro- wave circuit. Use ...

Page 8

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 8 2010 Maxim Integrated Products © ...

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