MAX3509 데이터 시트보기 (PDF) - Maxim Integrated
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MAX3509 Datasheet PDF : 10 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
SYMBOL
COMMENT
MIN TYP MAX UNITS
CS to SCK Rise Setup Time
tSENS
10
ns
CS to SCK Rise Hold Time
tSENH
20
ns
SDA to SCK Setup Time
tSDAS
10
ns
SDA to SCK Hold Time
tSDAH
20
ns
SDA Pulse-Width High
tDATAH
50
ns
SDA Pulse-Width Low
tDATAL
50
ns
SCK Pulse-Width High
tSCKH
50
ns
SCK Pulse-Width Low
tSCKL
50
ns
Note 1: Guaranteed by design and characterization.
Note 2: Tested parameters specified from -40°C to +85°C are guaranteed by design and characterization to ±3 sigma for
temperatures less than 25°C.
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)
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