MAX1479(2004) 查看數據表（PDF） - Maxim Integrated
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产品描述 (功能)
比赛名单
MAX1479
(Rev.:2004)
(Rev.:2004)
Maxim Integrated
MAX1479 Datasheet PDF : 11 Pages
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300MHz to 450MHz Low-Power,
Crystal-Based +10dBm ASK/FSK Transmitter
Typical Operating Characteristics
(Typical Application Circuit, VDD = +2.7V, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
15
fRF = 315MHz
14 PA ON
13
TA = -40°C
12
TA = +25°C
11
10
TA = +85°C
9
TA = +125°C
8
7
2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
10.0
9.5
fRF = 315MHz
PA 50% DUTY CYCLE AT 10kHz
9.0
8.5
8.0
TA = +85°C
7.5
TA = +125°C
7.0
6.5
TA = +25°C
6.0
TA = -40°C
5.5
5.0
2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
15
fRF = 433MHz
14 PA ON
13
TA = -40°C
12
TA = +25°C
11
10
TA = +85°C
9
TA = +125°C
8
7
2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
10.0
9.5
fRF = 433MHz
PA 50% DUTY CYCLE AT 10kHz
9.0
8.5
TA = +85°C
8.0
7.5 TA = +125°C
7.0
TA = +25°C
6.5
6.0
TA = -40°C
5.5
5.0
2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
SUPPLY CURRENT vs. OUTPUT POWER
12
11 fRF = 315MHz
10
9
8
PA ON
7
6
5
4
50% DUTY CYCLE
3
2
-14 -10 -6 -2
2
6 10
AVERAGE OUTPUT POWER (dBm)
SUPPLY CURRENT vs. OUTPUT POWER
12
11 fRF = 433MHz
10
9
8
PA ON
7
6
5
4
50% DUTY CYCLE
3
2
-14 -10 -6 -2
2
6 10
AVERAGE OUTPUT POWER (dBm)
SUPPLY CURRENT AND OUTPUT POWER
vs. EXTERNAL RESISTOR
18
16 MAX1479 toc07
16
fRF = 315MHz
PA ON
12
14
POWER
8
12
4
10
0
8
CURRENT
-4
6
-8
4
-12
2
-16
0.1
1
10 100 1k 10k
EXTERNAL RESISTOR (Ω)
SUPPLY CURRENT AND OUTPUT POWER
vs. EXTERNAL RESISTOR
18
16 MAX1479 toc08
16
fRF = 433MHz
PA ON
12
14
POWER
8
12
4
10
0
8
CURRENT
-4
6
-8
4
-12
2
-16
0.1
1
10 100 1k 10k
EXTERNAL RESISTOR (Ω)
4 _______________________________________________________________________________________
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