MAX2395 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2395 Datasheet PDF : 13 Pages
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WCDMA Quasi-Direct Modulator
with VGA and PA Driver
Typical Operating Characteristics
(VCC = +2.85V, fRF = 1950MHz, MPL = 1, and TA = +25°C, unless otherwise noted.)
EVM vs. POUT
10
9
8
TA = -40°C
7
TA = +25°C
6
5
TA = +85°C
4
-30 -26 -22 -18 -14 -10 -6 -2 2 6
POUT (dBm)
OUTPUT NOISE DENSITY vs. VVGC
-130
-132
fRF = 1922.4MHz
-134
-136
TA = +25°C
-138
-140
-142 TA = -40°C
-144
-146
f = 2112.4MHz
-148
-150
TA = +85°C
-152
f = 1880MHz
-154
0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
VVGC (V)
CARRIER AND SIDEBAND SUPPRESSION
vs. POUT
60
CARRIER
50
40
30
20
SIDEBAND
10
0
-74 -64 -54 -44 -34 -24 -14 -4 6
POUT (dBm)
POUT
ACPR1 vs. VVGC
20
10
0
-10
TA = +85°C
-20
TA = +25°C
-30 TA = -40°C
-40
-50
-60
1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2
VVGC (V)
ICC vs. VVGC
110
VCC = 2.7V TO 3.3V,
100 INPUT APPLIED
90
80
70
TA = +85°C
60
50
40
TA = +25°C
30
TA = -40°C
20
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
VVGC (V)
VGC SLOPE LINEARITY vs. POUT
70
65
TA = +85°C
60
55
TA = +25°C
50
45
40 TA = -40°C
35
30
-74 -64 -54 -44 -34 -24 -14 -4 6
POUT (dBm)
OUTPUT SPECTRUM vs. FREQUENCY
10
WANTED SIGNAL, 0dB
0
-10
RF IMAGE, 15dB
-20
-30
RF LO-3IF,
-35dB
RF LO-2IF,
-32dB
-40
RF LO, -42dB
-50
-60
-70
-80
-90
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
FREQUENCY (GHz)
BASEBAND FILTER REPSONSE
10
0
-10
-20
-30
-40
-50
-60
0 2 4 6 8 10 12 14 16 18 20
FREQUENCY (MHz)
FREQUENCY SETTLING TIME
10
5 FROM IDLE FROM SHDN
0
-5
-10
FROM 1920MHz
-15
TO 1980MHz
-20
-25
0 100 200 300 400 500 600 700 800 900
TIME (µs)
_______________________________________________________________________________________ 5
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