MAX7031 查看數據表（PDF） - Maxim Integrated
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MAX7031
Maxim Integrated
MAX7031 Datasheet PDF : 20 Pages
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Low-Cost, 308MHz, 315MHz, and 433.92MHz
FSK Transceiver with Fractional-N PLL
Typical Operating Characteristics (continued)
(Typical Operating Circuit, VPAVDD = VAVDD = VDVDD = VHVIN = +3.0V, fRF = 433.92MHz, IF BW = 280kHz. 4kbps Manchester
encoded, 0.2% BER deviation = ±50kHz, TA = +25°C, unless otherwise noted.)
TRANSMITTER
SUPPLY CURRENT vs. SUPPLY VOLTAGE
16
fRF = 315MHz
14
TA = +85°C
12 TA = +125°C
10
TA = -40°C
TA = +25°C
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
17
fRF = 434MHz
TA = +85°C
15
13
TA = +125°C
TA = -40°C
11
SUPPLY CURRENT vs. OUTPUT POWER
12
fRF = 315MHz
11
10
9
8
7
6
8
2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
TA = +25°C
9
2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
5
4
-14 -10 -6 -2
2
6 10
AVERAGE OUTPUT POWER (dBm)
SUPPLY CURRENT vs. OUTPUT POWER
14
fRF = 434MHz
13
12
11
10
9
8
7
6
5
-14 -10 -6 -2 2 6 10
AVERAGE OUTPUT POWER (dBm)
OUTPUT POWER vs. SUPPLY VOLTAGE
14
fRF = 315MHz
12
TA = -40°C
TA = +25°C
10
8
TA = +125°C
6
TA = +85°C
4
2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
OUTPUT POWER vs. SUPPLY VOLTAGE
14
fRF = 434MHz
TA = -40°C
12
TA = +25°C
10
8
TA = +125°C
6
TA = +85°C
4
2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
EFFICIENCY vs. SUPPLY VOLTAGE
40
fRF = 315MHz
TA = -40°C
35
TA = +25°C
30
EFFICIENCY vs. SUPPLY VOLTAGE
40
fRF = 434MHz
TA = -40°C
35
TA = +25°C
30
TA = +85°C
25
20
2.1
TA = +85°C
TA = +125°C
2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
25
TA = +125°C
20
2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
8 _______________________________________________________________________________________
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