MAX3509(2000) 데이터 시트보기 (PDF) - Maxim Integrated
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MAX3509 Datasheet PDF : 12 Pages
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Upstream CATV Amplifier
TIMING CHARACTERISTICS
(VCC1 = VCC2 = 8.5V to 9.5V, TXEN = SHDN = high, D7 = 1, TA = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
CS to SCK Rise Setup Time
CS to SCK Rise Hold Time
SDA to SCK Setup Time
SDA to SCK Hold Time
SDA Pulse Width High
SDA Pulse Width Low
SCK Pulse Width High
SCK Pulse Width Low
SYMBOL
tSENS
tSENH
tSDAS
tSDAH
tDATAH
tDATAL
tSCKH
tSCKL
COMMENT
MIN TYP
10
20
10
20
50
50
50
50
Note 1: Guaranteed by design and characterization.
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
Typical Operating Characteristics
(MAX3509 EV kit, VCC1 = VCC2 = +9V, VIN = +34dBmV, TXEN = SHDN = high, D7 = 1, fINPUT = 10MHz, ZLOAD = 75Ω through a 1:1
transformer, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. TEMPERATURE
TRANSMIT ENABLE
100
SUPPLY CURRENT vs. TEMPERATURE
TRANSMIT DISABLE
9.0
140
SUPPLY CURRENT
vs. OUTPUT POWER
95
8.5
130
90
120
8.0
85
110
TA = +85°C
80
7.5
TA = +25°C
100
TA = -40°C
75
7.0
70
90
65
6.5
80
60
-40 -15
10
35
60
85
TEMPERATURE (°C)
VOLTAGE GAIN vs. SUPPLY VOLTAGE
(CONTROL WORD = 25)
0.32
TA = +85°C
0.30
0.28
0.26
TA = -40°C
0.24
TA = +25°C
0.22
0.20
8.5 8.6 8.7 8.8 8.9 9.0 9.1 9.2 9.3 9.4 9.5
SUPPLY VOLTAGE (V)
6.0
-40 -15 10
35
60
85
TEMPERATURE (°C)
VOLTAGE GAIN vs. SUPPLY VOLTAGE
(CONTROL WORD = 50)
25.2
25.0 TA = +85°C
24.8
24.6
TA = +25°C
24.4
24.2 TA = -40°C
24.0
8.5 8.6 8.7 8.8 8.9 9.0 9.1 9.2 9.3 9.4 9.5
SUPPLY VOLTAGE (V)
70
30 36 42 48 54 60 66 72
OUTPUT POWER (dBmV)
VOLTAGE GAIN vs. TEMPERATURE
(CONTROL WORD = 25)
0.5
0.4
8.5V
0.3
0.2
0.1
9.5V
9.0V
0
-0.1
-0.2
-0.3
-0.4
-0.5
-40 -15
10
35
60
85
TEMPERATURE (°C)
4 _______________________________________________________________________________________
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