MAX1473_11 Datasheet, PDF (6/15 Pages) Maxim Integrated Products – 315MHz/433MHz ASK Superheterodyne Receiver with Extended Dynamic Range

315MHz/433MHz ASK Superheterodyne
Receiver with Extended Dynamic Range
Typical Operating Characteristics
(Typical Application Circuit, V_DD = 3.3V, f_RF = 315MHz, T_A = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
5.6
5.5
+105°C
5.4
+85°C
5.3
5.2
+25°C
5.1
5.0
4.9
3.0
-40°C
3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE (V)
SENSITIVITY vs. TEMPERATURE
-105
PEAK RF INPUT POWER
-106 1% BER
-107 ^{IF BANDWIDTH = 280MHz}
-108
f_RF = 433MHz
-109
-110
-111
-112
f_RF = 315MHz
-113
-114
-40 -15
10 35 60
TEMPERATURE (°C)
85 110
SYSTEM GAIN vs. FREQUENCY
30
UPPER
20
SIDEBAND
10
0
-10
-20
-30
0
50dB IMAGE
REJECTION
LOWER
SIDEBAND
FROM RFIN TO
MIXOUT
f_RF = 315MHz
5 10 15 20 25 30
IF FREQUENCY (MHz)
SUPPLY CURRENT
vs. RF FREQUENCY
7.0
6.5
+105°C
6.0
5.5
5.0
4.5
250
+25°C
+85°C
-40°C
300 350 400 450 500
RF FREQUENCY (MHz)
RSSI vs. RF INPUT POWER
2.4
IF BANDWIDTH = 280kHz
2.2
V_AGCDIS = V_DD
2.0
1.8
1.6
V_AGCDIS = 0V
1.4
1.2
1.0
-140 -120 -100 -80 -60 -40 -20 0
RF INPUT POWER (dBm)
IMAGE REJECTION
vs. RF FREQUENCY
55
50
45
40
f_RF = 375MHz
35
f_RF = 315MHz
f_RF = 433MHz
30
280
330
380
430
480
RF FREQUENCY (MHz)
BIT-ERROR RATE
vs. AVERAGE RF INPUT POWER
100
f_RF = 433MHz
10
1
f_RF = 315MHz
0.1
0.01
-121 -120 -119 -118 -117 -116 -115 -114
AVERAGE INPUT POWER (dBm)
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
-90
RSSI AND DELTA
vs. IF INPUT POWER
3.5 ^{MAX1473 toc06}
2.5
1.5
0.5
DELTA
-0.5
-1.5
RSSI
-2.5
-70 -50 -30 -10
IF INPUT POWER (dBm)
-3.5
10
IMAGE REJECTION
vs. TEMPERATURE
45
45
f_RF = 315MHz
44
44
43
f_RF = 375MHz
43
42
f_RF = 433MHz
42
41
41
-40 -15
10
35
60
85
TEMPERATURE (°C)
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