MAX3514EEP Ver la hoja de datos (PDF) - Maxim Integrated
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MAX3514EEP Datasheet PDF : 21 Pages
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Upstream CATV Amplifiers
_____________________________Typical Operating Characteristics (continued)
(Typical operating circuit; VCC = +5V, VIN = +34dBmV, TXEN = SHDN = high, fIN = 20MHz, ZLOAD = 75Ω, TA = +25°C, unless
otherwise noted.)
MAX3514/MAX3517 (continued)
VOLTAGE GAIN vs. SUPPLY VOLTAGE
LOW-NOISE MODE
-25.0
-25.2
GAIN CODE = 48
-25.4
TA = -40°C
-25.6
-25.8
-26.0
-26.2
-26.4
TA = +25°C
-26.6
-26.8
TA = +85°C
-27.0
4.6
4.8
5.0
5.2
5.4
SUPPLY VOLTAGE (V)
VOLTAGE GAIN vs. FREQUENCY
HIGH-POWER MODE
40
30
A
20
10
B
C
0
-10 GAIN CODE: D
A = 125
-20
B = 100
C = 87
-30 D = 60
1
10
100
1000
FREQUENCY (MHz)
VOLTAGE GAIN vs. TEMPERATURE
HIGH-POWER MODE
29.2
29.1 GAIN CODE = 127
29.0
28.9
VCC = +4.75V VCC = +5.25V
28.8
28.7
28.6
28.5
VCC = +5.00V
28.4
28.3
28.2
-40 -15
10
35
60
85
TEMPERATURE (°C)
VOLTAGE GAIN vs. FREQUENCY
LOW-NOISE MODE
30
20
10
A
B
0
-10
C
D
-20
-30
E
F
-40
-50 GAIN CODE:
-60 A = 120, B = 115, C = 95,
D = 75, E = 55, F = 35
-70
1
10
100
1000
FREQUENCY (MHz)
VOLTAGE GAIN vs. TEMPERATURE
LOW-NOISE MODE
-9.0
-9.2 GAIN CODE = 80
-9.4
-9.6
VCC = +5.00V
-9.8
-10.0 VCC = +4.75V
-10.2
VCC = +5.25V
-10.4
-10.6
-10.8
-11.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
30
25
20
15
10
5
0
-5
-10
-15
-20
-25
-30
-35
-40
30
VOLTAGE GAIN vs. GAIN CODE
HIGH-POWER MODE
LOW- NOISE MODE
40 50 60 70 80 90 100 110 120
GAIN CODE
GAIN STEP vs. GAIN CODE
HIGH-POWER MODE
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
GAIN STEP vs. GAIN CODE
LOW-NOISE MODE
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
TRANSMIT NOISE vs. GAIN CODE
-20
-25
HIGH-POWER MODE
-30
-35
-40
-45
LOW-NOISE MODE
-50
0
60 70 80 90 100 110 120
GAIN CODE
0
30 40 50 60 70 80 90 100 110 120
GAIN CODE
-55
30
50
70
90
110 130
GAIN CODE
10 ______________________________________________________________________________________
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