MAX7030 查看數據表（PDF） - Maxim Integrated
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MAX7030
Maxim Integrated
MAX7030 Datasheet PDF : 20 Pages
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Low-Cost, 315MHz, 345MHz, and 433.92MHz
ASK Transceiver with Fractional-N PLL
Typical Operating Characteristics (continued)
(Typical Application Circuit, PAVDD = AVDD = DVDD = HVIN = +3.0V, fRF = 433.92MHz, IF BW = 280kHz, 4kbps Manchester encoded,
0.2% BER, TA = +25°C, unless otherwise noted.)
RECEIVER
BIT-ERROR RATE
vs. AVERAGE INPUT POWER
100
SENSITIVITY vs. TEMPERATURE
-102
RSSI vs. RF INPUT POWER
1.8
10
fRF = 434MHz
1
0.2% BER
0.1
fRF = 315MHz
0.01
-121 -119 -117 -115 -113 -111
AVERAGE INPUT POWER (dBm)
-105
-108
fRF = 434MHz
-111
-114
fRF = 315MHz
-117
-120
-40 -15 10 35 60 85 110
TEMPERATURE (°C)
1.6
1.4
1.2 HIGH-GAIN MODE
1.0
0.8
0.6
AGC SWITCH
POINT
0.4
LOW-GAIN MODE
0.2
AGC HYSTERESIS: 3dB
0
-130 -110 -90 -70 -50 -30 -10 10
RF INPUT POWER (dBm)
RSSI AND DELTA vs. IF INPUT POWER
2.1
3.5 MAX7030 toc07
1.8
2.5
1.5
RSSI
1.5
1.2
0.5
0.9
-0.5
0.6
DELTA
-1.5
0.3
-2.5
0
-90
-70 -50 -30 -10
IF INPUT POWER (dBm)
-3.5
10
SYSTEM GAIN vs. IF FREQUENCY
50
UPPER SIDEBAND
40
30
20
48dB IMAGE
REJECTION
FROM RFIN
TO MIXOUT
fRF = 434MHz
10
0
LOWER SIDEBAND
-10
-20
0
5 10 15 20 25 30
IF FREQUENCY (MHz)
IMAGE REJECTION vs. TEMPERATURE
48
fRF = 433MHz
46
fRF = 315MHz
44
42
-40 -15 10 35 60 85 110
TEMPERATURE (°C)
NORMALIZED IF GAIN vs. IF FREQUENCY
0
S11 vs. RF FREQUENCY
0
S11 SMITH PLOT OF RFIN
-4
-8
-12
-16
-20
1
10
100
IF FREQUENCY (MHz)
-6
-12
433.92MHz
-18
-24
200 250 300 350 400 450 500
RF FREQUENCY (MHz)
433MHz
400MHz 500MHz
6 _______________________________________________________________________________________
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