Upstream CATV Amplifiers
TIMING CHARACTERISTICS
(V
CC
= 4.75V to 5.25V, V
GND
= 0, TXEN =
SHDN
= high, D7 = X, T
A
= +25°C, unless otherwise specified.)
PARAMETER
SEN to SCLK Setup Time
SEN to SCLK Hold Time
SDA to SCLK Setup Time
SDA to SCLK Hold Time
SDA Pulse Width High
SDA Pulse Width Low
SCLK Pulse Width High
SCLK Pulse Width Low
SYMBOL
t
SENS
t
SENH
t
SDAS
t
SDAH
T
DATAH
T
DATAL
t
SCLKH
t
SCLKL
CONDITIONS
MIN
20
10
10
20
50
50
50
50
TYP
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
MAX3514/MAX3516/MAX3517
Note 1:
Note 2:
Note 3:
Note 4:
Guaranteed by design and characterization to ±3 sigma for T
A
< +25°C, unless otherwise specified.
AC Gain correlated to DC Gain measurements to ±3 sigma.
Guaranteed by design and characterization to ±6 sigma.
Does not include output matching; see Output Match in the
Applications
section.
__________________________________________Typical Operating Characteristics
(Typical operating circuit; V
CC
= +5V, V
IN
= +34dBmV, TXEN =
SHDN
= high, f
IN
= 20MHz, Z
LOAD
= 75Ω, T
A
= +25°C, unless
otherwise noted.)
MAX3514/MAX3517
SUPPLY CURRENT vs. TEMPERATURE
MAX3514 toc01
SUPPLY CURRENT vs. GAIN CODE
MAX3514 toc02
VOLTAGE GAIN vs. SUPPLY VOLTAGE
HIGH-POWER MODE
GAIN CODE = 127
29.4
29.2
VOLTAGE GAIN (dB)
29.0
28.8
28.6
28.4
T
A
= +85°C
T
A
= -40°C T = +25°C
A
MAX3514 toc03
140
120
SUPPLY CURRENT (mA)
100
80
60
40
20
0
-50
-25
0
25
50
75
TRANSMIT-ENABLE MODE
LOW-NOISE, GAIN CODE = 100
TRANSMIT-ENABLE MODE
HIGH-POWER, GAIN CODE = 125
140
120
SUPPLY CURRENT (mA)
100
80
60
HIGH-POWER MODE
40
20
0
LOW-NOISE MODE
29.6
TRANSMIT-DISABLE MODE
100
28.2
28.0
80
100
120
140
4.6
4.8
5.0
5.2
5.4
0
20
40
60
TEMPERATURE (°C)
GAIN CODE
SUPPLY VOLTAGE (V)
_______________________________________________________________________________________
9
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
