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315MHz/434MHz Low-Power, 3V/5V
ASK/FSK Superheterodyne Receiver
Typical Operating Characteristics
(Typical Application Circuit, V AVDD = V DVDD = V HVIN = +3.0V, f RF = 434MHz, T A = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
SUPPLY CURRENT
vs. RF FREQUENCY
DEEP-SLEEP CURRENT
vs. TEMPERATURE
8.0
7.6
+85 ° C
+105 ° C
+125 ° C
8.0
7.8
7.6
+125 ° C
+105 ° C
+85 ° C
12
10
7.4
8
7.2
7.2
7.0
6
6.8
6.8
+25 ° C
6.6
4
6.4
-40 ° C
6.4
-40 ° C
+25 ° C
2
6.2
6.0
6.0
0
2.4
2.7
3.0
3.3
3.6
300
325
350
375
400
425
450
-40
-15
10
35 60 85
110
SUPPLY VOLTAGE (V)
BIT-ERROR RATE
vs. AVERAGE INPUT POWER (ASK DATA)
RF FREQUENCY (MHz)
BIT-ERROR RATE
vs. AVERAGE INPUT POWER (FSK DATA)
TEMPERATURE ( ° C)
SENSITIVITY
vs. TEMPERATURE (ASK DATA)
100
280kHz IF BW
100
280kHz IF BW
-102
280kHz IF BW
FREQUENCY DEVIATION = ± 50kHz
-105
0.2% BER
10
1
0.2% BER
f RF = 434MHz
10
1
0.2% BER
f RF = 434MHz
-108
-111
-114
f RF = 434MHz
0.1
f RF = 315MHz
0.1
f RF = 315MHz
-117
f RF = 315MHz
0.01
0.01
-120
-123
-121
-119
-117
-115
-113
-11
-115
-113
-110
-108
-10
-40
-15
10
35
60
85
110
AVERAGE INPUT POWER (dBm)
SENSITIVITY
vs. TEMPERATURE (FSK DATA)
AVERAGE INPUT POWER (dBm)
SENSITIVITY vs. FREQUENCY
DEVIATION (FSK DATA)
TEMPERATURE ( ° C)
RSSI vs. RF INPUT POWER
-102
-104
-106
280kHz IF BW
0.2% BER
FREQUENCY DEVIATION = ± 50kHz
f RF = 434MHz
-98
-100
-102
-104
280kHz IF BW
0.2% BER
1.6
1.4
1.2
1.0
AGC HYSTERESIS: 3dB
HIGH-GAIN MODE
AGC SWITCH
POINT
0.8
-108
-106
0.6
-110
-112
f RF = 315MHz
-108
-110
-112
0.4
0.2
0
LOW-GAIN MODE
-40
-15
10
35
60
85
110
1
10
10
-130 -110
-90
-70
-50
-30
-10
10
TEMPERATURE ( ° C)
FREQUENCY DEVIATION (kHz)
RF INPUT POWER (dBm)
_______________________________________________________________________________________
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