Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Supply Voltage V
CC
Pins 4, 7, 16 to
Ground Pins 5, 13, 15
15V
Voltage at Any Input Pin (V
IN
)
Video Output Current (I
17
)
Package Power Dissipation at T
A
e
25
§
C
(Above 25
§
C Derate Based
i
JA
and T
J
)
Package Thermal Resistance (
i
JA
)
N20A
V
CC
t
V
IN
t
GND
28 mA
1.56W
68
§
C/W
Junction Temperature (T
J
)
Storage Temperature Range (T
stg
)
Lead Temperature
N Package (Soldering, 10 sec.)
150
§
C
b
65
§
C to
a
150
§
C
265
§
C
ESD Susceptibility
Human Body Model: 100 pF Discharged
through a 1.5k Resistor
2 kV
Operating Ratings
(Note 2)
Temperature Range
b
20
§
C to
a
80
§
C
8V
s
V
CC
s
13.2V
Supply Voltage (V
CC
)
DC Electrical Characteristics
See Test Circuit (Figure 1), T
A
e
25
§
C, V4
e
V7
e
V16
e
12V, S1 Open,
V19
e
4V, V8
e
4V, V9
e
4V, V14
e
0V unless otherwise noted.
Symbol
Parameter
Conditions
Typical
(Note 3)
Limit
(Note 4)
Units
I
S
4, 7, 16
Total Supply Current
R
Load
e
%
(Note 5)
51
80
mA (max)
V
6
Video Input Bias Voltage
2.9
2
V (min)
V
14L
Clamp Gate Low Input Voltage
Clamp Comparator On
0.8
V (max)
V
14H
Clamp Gate High Input Voltage
Clamp Comparator Off
2
V (min)
I
14L
Clamp Gate Low Input Current
V
14
e
0V
b
0.5
m
A
I
14H
Clamp Gate High Input Current
V
14
e
12V
0.005
m
A
I
12
a
Clamp Cap Charge Current
800
500
m
A (min)
I
12
b
Clamp Cap Discharge Current
b
800
b
500
m
A (min)
V
17L
Video Output Low Voltage
0.2
0.65
V (max)
V
17H
Video Output High Voltage
10
9
V (min)
V
OS
Comparator Input Offset Voltage
V
18
b
V
19
30
g
75
mV (max)
V
20L
Blank Gate Low Input Voltage
Blank Gate Off
1.2
0.8
V (max)
V
20H
Blank Gate High Input Voltage
Blank Gate On
2.6
3
V (min)
I
20L
Blank Gate Low Input Current
V
20
e
0.8V
0.01
1
m
A (max)
I
20H
Blank Gate High Input Current
V
20
e
3V
33
200
m
A (max)
V
17
(blanked)
Blanked Output Voltage
V
20
e
3V
0.3
0.8
V (max)
AC Electrical Characteristics
See Test Circuit (Figure 1), T
A
e
25
§
C, V4
e
V7
e
V16
e
12V, S1 Closed,
V19
e
4V, V8
e
4V, V9
e
4V, V14
e
0V unless otherwise noted.
Symbol
Parameter
Conditions
Typical
(Note 3)
Limit
(Note 4)
Units
R
IN
Video Amplifier Input Resistance
f
IN
e
12 kHz
20
k
X
A
V
max
Video Amplifier Gain
V
8
e
4V, V
9
e
4V
20
14
V/V (min)
D
A
V
2V
Attenuation at 2V
Ref: A
V
max, V
8
e
2V
b
6
dB
D
A
V
0.5V
Attenuation at 0.5V
Ref: A
V
max, V
8
e
0.5V
b
38
b
20
dB (min)
D
Drive
D
Gain Range
V
9
e
0V to 4V
6
4.5
dB (min)
THD
Video Amplifier Distortion
V
O
e
4 V
PP
, f
IN
e
12 kHz
0.5
%
f
b
3 dB
Video Amplifier Bandwidth (Note 6)
V
O
e
4 V
PP
230
MHz
t
r
Output Rise Time (Note 6)
V
O
e
4 V
PP
1.5
ns
t
f
Output Fall Time (Note 6)
V
O
e
4 V
PP
1.5
ns
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