LM1291 Datasheet, PDF (2/12 Pages) National Semiconductor (TI) – Video PLL System for Continuous-Sync Monitors

Absolute Maximum Ratings (Notes 1 3)
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Supply Voltage
14V
Input Voltage V_DC
Pins 15 23
Pins 4 5
Pins 8 28
Pins 1 9 12 14 16 18
Power Dissipation (P_D)
(Above 25 C Derate Based on i_JA and T_J)
Thermal Resistance (i_JA)
5V
8V
10V
V_CC
2 5W
50 C W
Junction Temperature (T_J)
ESD Susceptibility (Note 5)
Storage Temperature
Lead Temperature (Soldering 10 sec )
150 C
2 kV
b65 C to a150 C
265 C
Operating Ratings (Note 2)
Operating Temperature Range
b20 C to a80 C
Supply Voltage (V_CC)
10 8V ^s V_CC ^s 13 2V
Electrical Characteristics See Test Circuit (Figure 2) T_A e 25 C V_CC e 12V
Parameter
Conditions
Typical
(Note 6)
Supply Current
30
Jitter
H Sync frequency e 100 kHz
13
(Note 8)
Minimum composite video
input voltage
Pin 9 cap coupled (0 01 mF)
sync tip to black level
DC clamp level composite
20
video input
Clamp charging current
1
composite video input
H HV sync input amplitude (Pin 12)
Cap coupled 10% duty cycle
V sync input amplitude (Pin 8)
Cap coupled 1% duty cycle
High level output voltage V_OH
I_OH e b100 mA
43
(Pins 2 11 13 17 19)
Low level output voltage V_OL
I_OL e 1 6 mA
0 25
(Pins 2 11 13 17 19)
Video Mute low level output
voltage (Pin 3)
Mute detection voltage
threshold
I_OL e 2 mA
DV _lFVC Cap 1 b FVC Cap 2_l
for Mute Output low
100
Flyback input threshold (Pin 18)
Positive-going flyback pulse
14
Under-voltage lockout (Pin 7)
V_CC below threshold
95
H Drive Output open (unlatched)
Frequency to voltage gain
VCO gain constant
PD1 Phase Detector gain constant
Frequency to voltage linearity
VCO linearity
22 kHz ^s f_H ^s 125 kHz
f_VCO e 100 kHz
f_VCO e 100 kHz
f_VCO e 60 kHz
f_VCO e 22 kHz
22 kHz ^s f_H ^s 125 kHz
22 kHz ^s f_VCO ^s 125 kHz
0 047
1 34 c 10⁵
130
78 1
28 6
10
10
Limit
(Note 7)
40
0 14
10
10
40
04
04
Units
mA (max)
ns p-p
V_PP (min)
V_DC
mA
V_PP (min)
V_PP (min)
V_DC (min)
V_DC (max)
V_DC (max)
mV
V
V
V kHz
Rad s V
mA Radian
%
%
2