
LM1203, LM1203A
RGB VIDEO AMPLIFIER SYSTEMS
SLFS048 MARCH 1990 REVISED OCTOBER 1991
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2
functional block diagram
+
14
1.4 V
13
CONTRAST
12
REF
11
CAP
B CLAMP 10
ref
2.4 V
B VIDEO IN
9
CAP
G CLAMP 8
GND
7
G VIDEO IN
6
R CLAMP CAP 5
R VIDEO IN
4
3
CONTRAST CAP
2
1
Control
Contrast
B CLAMP(+)
15
B CLAMP()
17
B GAIN ADJUST
18
B VIDEO OUT
16
G CLAMP(+)
19
G CLAMP()
21
G GAIN ADJUST
22
G VIDEO OUT
20
23
R CLAMP(+)
24
R CLAMP()
26
R GAIN ADJUST
27
R VIDEO OUT
25
VCC1
CLAMP GATE
VCC2
40
1 k
100
VCC1
28
1 k
1 k
100
100
40
40
RED
GREEN
BLUE
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC (see Note 1)
13.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI
VCC ≥ VI ≥ GND
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Video output current
28 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total power dissipation at (or below) 25
°C free-air temperature (see Note 2)
2.5 W
. . . . . . . . . . . . . . . . . . . . .
Operating junction temperature
150
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NOTES: 1. All VCC pins must be externally wired together to prevent internal damage during VCC power-on/off cycles.
2. For operating above 25
°C free-air temperature, derate linearly at the rate of 20 mW/°C.