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CA3194E Datasheet

  • CA3194E

  • Single Chip PAL Luminance/Chroma Processor

  • 9頁

  • INTERSIL   INTERSIL

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Semiconductor
May 1997
RE
NOT
CO
NDE
MME
R
D FO
NEW
IG
DES
NS
CA3194
Single Chip PAL
Luminance/Chroma Processor
Features
鈥?All PAL Luminance and Chrominance Processing
Circuitry on a Single Chip in a 24-Lead Plastic
Package
鈥?Phase-Locked Subcarrier Regeneration Utilizing
Sample-and-Hold
鈥?DC Controls for Brightness, Contrast, and Color
Saturation Functions
鈥?Input for Average Beam-Current Limiting
鈥?Contrast Control Having Excellent Tracking of
Luma and Chroma Channels
鈥?Low-lmpedance RGB Outputs with Excellent
Tracking for Direct Coupling to Video Driver
Circuitry
Description
The Harris CA3194E is a silicon monolithic integrated circuit
designed to perform all of the signal processing functions for both
the chroma and luminance signals of PAL color television receivers.
This circuit performs all the functions needed between the video
detector and the video RGB output stages. DC contrast, bright-
ness, and saturation controls and average beam limiting functions
are included. The RGB buffer stages are capable of delivering
5mA of current into the video output stages.
NOTE:
Formerly Dev. No. TA10313.
Ordering Information
PART
NUMBER
CA3194E
TEMPERATURE
RANGE
-40
o
C to +85
o
C
PACKAGE
24 Lead PDIP
Pinout
CA3194
(PDIP)
TOP VIEW
GND 1
CHROMA OUT 2
SAT. CONTR. 3
CHROMA INPUT 4
ACC FILTER 5
ACC FILTER 6
APC FILTER 7
APC FILTER 8
90
o
INPUT 9
0
o
INPUT 10
24
23
22
21
20
19
18
AVER. BEAM
INFO
BRIGHTNESS
CONTROL
PICTURE CONTROL
LOW PASS
FILTER
LUMA INPUT
PEAK BEAM
LEVEL
R OUTPUT
TERMINAL VOLTAGE AND CURRENT RATINGS
VOLTAGE (NOTE 1) -V
MIN
MAX
-
-
0
13
0
8
0
5
0
Note
-
-
0
Note
0
Note
0
8
0
8
0
13
0
13
0
12
0
5
0
5
0
13
0
13
0
13
0
Note
0
5
0
Note
0
8
0
5
0
12
CURRENT - mA
I
IN
I
OUT
-
-
0
30
10
-
-
-
-
-
0.1
0.5
-
-
-
-
-
-
-
0.7
-
10
-
-
-
-
-
1.5
-
1.5
-
10
-
10
-
10
-
-
-
-
-
-
-
-
-
-
-
-
17 G OUTPUT
16 B OUTPUT
15 V
R-Y
INPUT
14 V
B-Y
INPUT
13 SANDCASTLE
V
CO
OUTPUT 11
V
CC
12
TERMINAL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
NOTE:
1. The maximum should not exceed the V
CC
voltage. Voltage with respect to
Terminal 1 for V
CC
(Terminal 12) of 12V
鹵10%.
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
漏
Harris Corporation 1997
File Number
1270.3
7-56

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