LM1291 National Semiconductor, LM1291 Datasheet - Page 2

• Manufacturer Part Number: LM1291
• Description: Video PLL System for Continuous-Sync Monitors
• Manufacturer: National Semiconductor

Absolute Maximum Ratings
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Supply Voltage
Input Voltage V
Power Dissipation (P
Thermal Resistance (
Electrical Characteristics
Supply Current
Jitter
Minimum composite video
input voltage
DC clamp level composite
video input
Clamp charging current
composite video input
H HV sync input amplitude (Pin 12)
V sync input amplitude (Pin 8)
High level output voltage V
(Pins 2 11 13 17 19)
Low level output voltage V
(Pins 2 11 13 17 19)
Video Mute low level output
voltage (Pin 3)
Mute detection voltage
threshold
Flyback input threshold (Pin 18)
Under-voltage lockout (Pin 7)
Frequency to voltage gain
VCO gain constant
PD1 Phase Detector gain constant
Frequency to voltage linearity
VCO linearity
Pins 15 23
Pins 4 5
Pins 8 28
Pins 1 9 12 14 16 18
(Above 25 C Derate Based on
Parameter
DC
D
)
JA
)
OL
OH
JA
and T
H Sync frequency
(Note 8)
Pin 9 cap coupled (0 01 F)
sync tip to black level
Cap coupled 10% duty cycle
Cap coupled 1% duty cycle
I
I
I
for Mute Output low
Positive-going flyback pulse
V
H Drive Output open (unlatched)
22 kHz
f
f
f
f
22 kHz
22 kHz
See Test Circuit (Figure 2) T
OH
OL
OL
VCO
VCO
VCO
VCO
J
CC
V
)
e
e
e b
l
below threshold
(Notes 1
FVC Cap 1
e
e
e
e
1 6 mA
2 mA
s
s
s
100 kHz
100 kHz
60 kHz
22 kHz
50 C W
100 A
Conditions
f
f
f
H s
H s
VCO s
2 5W
V
14V
10V
5V
8V
CC
125 kHz
125 kHz
3)
b
125 kHz
e
FVC Cap 2
2
100 kHz
Junction Temperature (T
ESD Susceptibility (Note 5)
Storage Temperature
Lead Temperature (Soldering 10 sec )
Operating Ratings
Operating Temperature Range
Supply Voltage (V
A
l
e
25 C V
1 34
(Note 6)
CC
Typical
0 047
0 25
78 1
28 6
CC
100
130
1 3
2 0
4 3
1 4
9 5
1 0
1 0
30
1
c
e
)
10
12V
5
J
)
(Note 2)
(Note 7)
Limit
0 14
1 0
1 0
4 0
0 4
0 4
40
10 8V
b
b
65 C to
s
20 C to
V
CC s
V
V
V
mA (max)
V
V
V
Rad s V
A Radian
DC
DC
DC
PP
PP
PP
V kHz
ns p-p
Units
a
V
mA
mV
%
%
a
V
V
DC
(max)
(max)
(min)
(min)
(min)
150 C
150 C
265 C
(min)
13 2V
80 C
2 kV