MAX7042 Maxim Integrated Products, MAX7042 Datasheet - Page 5

• Manufacturer Part Number: MAX7042
• Description: 308MHz/315MHz/418MHz/433.92MHz Low-Power FSK Superheterodyne Receiver
• Manufacturer: Maxim Integrated Products

(Typical Application Circuit, V
deviation = ±50kHz, BER = 0.2%, T
-100
-102
-104
-106
-108
-110
-112
0.01
7.5
7.3
7.1
6.9
6.7
6.5
6.3
6.1
100
0.1
10
BIT-ERROR RATE vs. AVERAGE INPUT POWER
1
300
-117
1
SUPPLY CURRENT vs. RF FREQUENCY
0.2% BER
325
vs. FREQUENCY DEVIATION
-115
Low-Power, FSK Superheterodyne Receiver
AVERAGE INPUT POWER (dBm)
FREQUENCY DEVIATION (kHz)
f
RF FREQUENCY (MHz)
RF
350
SENSITIVITY
= 315MHz
-113
FREQUENCY DEVIATION IS
MEASURED FROM 0 TO PEAK
(2x I
(2x I
+125°C
+25°C
-40°C
+85°C
_______________________________________________________________________________________
f
375
RF
10
LNA
LNA
= 433.92MHz
-111
)
)
400
DD
-109
308MHz/315MHz/418MHz/433.92MHz
425
= 3.0V, f
A
= +25°C, unless otherwise noted.)
450
-107
100
RF
= 433.92MHz, IF BW = 280kHz, data rate = 4kbps Manchester encoded, frequency
1000
-103
-104
-105
-106
-107
-108
-109
800
600
400
200
1.8
1.5
1.2
0.9
0.6
0.3
Typical Operating Characteristics (continued)
0
0
DEEP-SLEEP CURRENT vs. TEMPERATURE
-90
-40
-40
f
RF
f
SENSITIVITY vs. TEMPERATURE
RF
-15
-15
= 433.92MHz
= 315MHz
-70
vs. IF INPUT POWER
RF INPUT POWER (dBm)
10
10
RSSI AND DELTA
TEMPERATURE (°C)
TEMPERATURE (°C)
-50
(1x I
35
35
V
RSSI
CC
LNA
V
V
CC
= +2.4V
-30
CC
60
60
)
= +3.0V
= +3.6V
DELTA
85
85
-10
MAX7042 toc11
110
110
10
3
2
1
0
-1
-2
-3
0.01
-106
-107
-108
-109
-110
-111
-112
100
2.0
1.6
1.2
0.8
0.4
0.1
10
BIT-ERROR RATE vs. AVERAGE INPUT POWER
0
1
10.3
-114
-40
f
f
RF
0.2% BER
RF
SENSITIVITY vs. TEMPERATURE
10.4
= 433.92MHz
= 315MHz
-15
FSK DEMODULATOR OUTPUT
-112
AVERAGE INPUT POWER (dBm)
10.5 10.6
f
RF
vs. IF FREQUENCY
10
IF FREQUENCY (MHz)
www.DataSheet4U.com
TEMPERATURE (°C)
= 315MHz
-110
(1x I
(2x I
35
LNA
LNA
10.7
f
-108
RF
60
)
)
= 433.92MHz
10.8
85
-106
10.9 11.0
110
-104
5