MAX3507 查看數據表（PDF） - Maxim Integrated
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MAX3507 Datasheet PDF : 12 Pages
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Upstream CATV Amplifier with
On-Chip Anti-Alias Filter
Typical Operating Characteristics
(MAX3507 EV Kit, VCC = +5.0V, VIN = +34dBmV, TXEN = SHDN = VCC, fIN = 20MHz, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. TEMPERATURE
250
NO AC SIGNALS
APPLIED
200
HP MODE, GC = 127
150
100 LN MODE, GC = 80
50
0
-40
TXEN = GND
-15 10
35
60
85
TEMPERATURE (°C)
SUPPLY CURRENT IN HIGH-POWER MODE
vs. OUTPUT POWER
250
230
NO AC SIGNALS
APPLIED
210
190
TA = +85°C
170
150
130
TA = +25°C
110
90
70
TA = -40°C
50
30
40
50
60
70
POUT (dBmV)
SUPPLY CURRENT IN LOW-NOISE MODE
vs. OUTPUT POWER
120
NO AC SIGNALS APPLIED
110
TA = +85°C
100
90
80
TA = +25°C
70
60
50
TA = -40°C
40
0
10 20 30 40 50 60
POUT (dBmV)
VOLTAGE GAIN IN HIGH-POWER MODE
vs. TEMPERATURE
32.2
32.1
32.0
31.9
31.8
VCC = +5.3V
VCC = +5.0V
31.7
31.6
VCC = +4.7V
31.5
31.4
31.3
31.2
-40
GC = 127
-15 10
35
60
85
TEMPERATURE (°C)
VOLTAGE GAIN IN LOW-NOISE MODE
vs. TEMPERATURE
-5.4
-5.6
-5.8
-6.0
-6.2
-6.4
VCC = 4.7V,
5.0V, 5.3V
-6.6
-6.8
-7.0
-40
GC = 80
-15
10
35
60
85
TEMPERATURE (°C)
VOLTAGE GAIN IN HIGH-POWER MODE
vs. FREQUENCY
46
GC = 127
26 GC = 119
GC = 99
6 GC = 79
GC = 59
-14
-34
-54
-74
1
10
100
1000
INPUT FREQUENCY (MHz)
VOLTAGE GAIN IN LOW-NOISE MODE
vs. FREQUENCY
26
6 GC = 110
GC = 90
-14 GC = 70
GC = 50
-34
-54
-74
-94
1
10
100
1000
INPUT FREQUENCY (MHz)
VOLTAGE GAIN vs. GAIN CODE
36
26
HIGH-POWER MODE
16
6
-4
-14
LOW-NOISE MODE
-24
-34
20 40 60 80 100 120 140
GAIN CODE
GAIN STEP IN HIGH-POWER MODE
vs. GAIN CODE
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
60 70 80 90 100 110 120 130
GAIN CODE
_______________________________________________________________________________________ 5
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