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DS1081L
20MHz to 134MHz Spread-Spectrum
Clock Modulator for LCD Panels
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
(TA = -40°C to +125°C, unless otherwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Voltage Range on VCC Relative to GND .............-0.5V to +3.63V
Voltage Range on Any Pin Relative
to GND ................-0.5V to (VCC + 0.5V), not to exceed +3.63V
Operating Temperature Range .........................-40°C to +125°C
Continuous Power Dissipation (TA = +70°C)
TSSOP (derate 8.1mW/°C above +70°C) ..................646.7mW
Storage Temperature Range .............................-55°C to +125°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage
VCC
(Note 1)
3.0
3.6
V
Input Logic 1
VIH
0.8 x
VCC
VCC +
0.3
V
Input Logic 0
VIL
-0.3
0.2 x
VCC
V
Input Logic Open (SSEN, CRSEL)
IOPEN
0V < (Voltage applied to SSEN or
CRSEL) < VCC
±1
μA
SSO < 80MHz
15
SSO Load
CL
80MHz
SSO < 134MHz
7
pF
CLKIN Frequency
fIN
20
134
MHz
CLKIN Duty Cycle
fINDC
40
60
%
DC ELECTRICAL CHARACTERISTICS
(VCC = +3.0V to +3.6V, TA = -40°C to +125°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Current
ICC
CL = 7pF
fIN = 134MHz
15
mA
SMSEL1/SMSEL2/CLKIN Input Leakage
IIL:1
0V < VIN < VCC
-1
+1
μA
CRSEL/SSEN Input Leakage
IIL:2
0V < VIN < VCC
-100
+100
μA
Output Leakage (SSO)
IOZ
SSEN = open
-1
+1
μA
Low-Level Output Voltage (SSO)
VOL
IOL = 4mA
0.4
V
High-Level Output Voltage (SSO)
VOH
IOH = -4mA
2.4
V
AC ELECTRICAL CHARACTERISTICS
(VCC = +3.0V to +3.6V, TA = -40°C to +125°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SSO Duty Cycle
fSSODC
Measured at VCC/2
40
60
%
SSO Rise Time
tR
CL = 7pF
1
ns
SSO Fall Time
tF
CL = 7pF
1
ns
Peak Cycle-to-Cycle Jitter
tJ
TA = -40°C to +85°C, 10,000 cycles
75
ps
Power-Up Time
tPOR
(Note 2)
50
ms
Note 1: All voltages referenced to ground. Currents into the IC are positive and out of the IC are negative.
Note 2: Time between power applied to device and stable output.
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