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MAX2740ECM View Datasheet(PDF) - Maxim Integrated

Part Name
Description
View to exact match
MAX2740ECM
MaximIC
Maxim Integrated MaximIC
MAX2740ECM Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
Integrated GPS Receiver and Synthesizer
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2740 EV kit, VCC = +3.0V, 50system impedance, FRF = 1575.42MHz, FIF1 = 135.42MHz, FIF2 = 15.42MHz, FREF = 20MHz at
600mVpp, TA = +25°C, unless otherwise noted.)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VOLTAGE-CONTROLLED OSCILLATOR (VCO) (100kHz offset)
Synthesizer VCO Phase Noise
-91.5
dBc/Hz
Output Frequency for External
GLONASS Tuner
90
MHz
Magnitude GLS_OUT
PFD Swing on Up and Down
Outputs
Rl = 500, Cl = 10pF
Mag (UP-DOWN)
300
mVp-p
250
mV
Note 1: Guaranteed by design and characterization.
Note 2: Two tones at pin = -35dBm per tone, f1 = 1575MHz, f2 = 1576MHz.
Note 3: Two tones at pin = -40dBm per tone, f1 = 1575MHz, f2 = 1576MHz.
(TA = +25°C, unless otherwise noted.)
ICC vs. TEMPERATURE AND VCC
70
60
VCC = 3.3V
50
40
VCC = 2.7V
VCC = 3.0V
30
20
10
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
TEMPERATURE (°C)
Typical Operating Characteristics
LNA GAIN vs. TEMPERATURE AND VCC
20
18
VCC = 3.3V
16
14
VCC = 2.7V
12
VCC = 3.0V
10
8
6
4
2
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
TEMPERATURE (°C)
RF MIXER GAIN
vs. TEMPERATURE AND VCC
25
VCC = 3.3V
20
VCC = 3.0V
15
VCC = 2.7V
10
5
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
TEMPERATURE (°C)
IF MIXER GAIN vs.
TEMPERATURE AND VCC
40
35
30
VCC = 2.7V
25
VCC = 3.3V
VCC = 3.0V
20
15
10
5
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
TEMPERATURE (°C)
VGA GAIN vs. VGC AND
TEMPERATURE AT VCC = 3.0V
30
20
10
0
-10
-20
-30
-40
TA = +25°C
TA = +85°C
-50
TA = -40°C
-60
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
AGC CONTROL VOLTAGE (V)
FGA GAIN vs. TEMPERATURE AND VCC
45
40
35
30
VCC = 2.7V
VCC = 3.3V
25
VCC = 3.0V
20
15
10
5
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
TEMPERATURE (°C)
_______________________________________________________________________________________ 3
 

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