MAX2268 查看數據表（PDF） - Maxim Integrated
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MAX2268 Datasheet PDF : 16 Pages
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+2.7V, Single-Supply, Cellular-Band
Linear Power Amplifiers
Typical Operating Characteristics (continued)
(MAX2267/MAX2268/MAX2269 EV kits, VCC = +3.5V, SHDN = VCC, CDMA modulation, TA = +25°C, unless otherwise noted.)
MAX2268
ALTERNATE-CHANNEL POWER RATIO
vs. FREQUENCY
-40
-50
TA = +85°C
-60
TA = +25°C
TA = -40°C
-70
-80
-90
880 890 900 910 920 930
FREQUENCY (MHz)
MAX2268
POWER-ADDED EFFICIENCY
vs. OUTPUT POWER
55
50
45
40
VCC = 2.7V
35
30
25
20
15
VCC = 3.5V
10
5
0
0 5 10 15 20 25 30 35
OUTPUT POWER (dBm)
MAX2268
POWER-ADDED EFFICIENCY
vs. FREQUENCY
40
38
TA = -40°C
36
34
TA = +25°C
TA = +85°C
32
30
880 890 900 910 920 930
FREQUENCY (MHz)
MAX2269
SHUTDOWN CURRENT vs. SUPPLY VOLTAGE
140
PWR = GND
120 SHDN = GND
NO INPUT DRIVE
100
MAX2269
GAIN vs. SUPPLY VOLTAGE
30
PWR = VCC
TA = -40°C
28
80
TA = +85°C
26
60
24
TA = +25°C
40
20
TA = -40°C
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
22
20
2.5
SUPPLY VOLTAGE (V)
MAX2269
GAIN vs. SUPPLY VOLTAGE
MAX2269
POWER-ADDED EFFICIENCY
vs. SUPPLY VOLTAGE
30
PWR = GND
TA = -40°C
34
PWR = VCC
28
32
TA = -40°C
26
30
24
TA = +85°C
TA = +25°C
22
28
TA = +85°C
TA = +25°C
26
TA = +25°C
TA = +85°C
3.0
3.5
4.0 4.5
5.0
SUPPLY VOLTAGE (V)
MAX2269
POWER-ADDED EFFICIENCY
vs. SUPPLY VOLTAGE
19
PWR = GND
18
TA = -40°C
17
16
TA = +25°C
15
TA = +85°C
14
20
2.5
3.0
3.5
4.0
4.5
5.0
SUPPLY VOLTAGE (V)
24
2.5
3.0
3.5
4.0
4.5
5.0
SUPPLY VOLTAGE (V)
13
2.5
3.0
3.5 4.0
4.5
5.0
SUPPLY VOLTAGE (V)
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