CA3126 Datasheet, PDF (1/9 Pages) Intersil Corporation – TV Chroma Processor

May 1999
NO
Call
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CA3126
TV Chroma Processor
[ /Title
(CA31
26)
/Sub-
ject
(TV
Chrom
a Pro-
cessor)
/Autho
r ()
/Key-
words
(Har-
ris
Semi-
con-
ductor,
TV
chroma
pro-
cessor,
subcar-
rier
regen-
era-
tion,
ntsc,
acc,
over-
load
detec-
tor,
keyed
chroma
out-
put,
color
proces-
sor,
indus-
trial
Features
Description
• Phase Locked Subcarrier Regeneration Utilizes
Sample-and-Hold Techniques
• Automatic Chrominance Control (ACC)/Killer Detector
Employs Sample-and-Hold Techniques
• Supplementary ACC with an Overload Detector to
Prevent Oversaturation of this Picture Tube
• Sinusoidal Subcarrier Output
• Keyed Chroma Output
• Emitter Follower Buffered Outputs for Low Output
Impedance
The Harris CA3126 is a monolithic silicon integrated circuit
designed for TV chroma processing and is ideally suited for
NTSC color graphic applications that require subcarrier
regeneration of the color burst signal.
Part Number Information
TEMP.
PART NUMBER RANGE (^oC)
PACKAGE
CA3126E
-40 to 85 16 Ld PDIP
CA3126M1
-40 to 85 20 Ld SOIC
PKG.
NO.
E16.3
M20.3
• Linear DC Saturation Control
Applications
• TV/CATV Receiver Circuits
• NTSC Color Decoder/Processor
• Computer Graphics Subcarrier Regenerator
• Timing Reference for Frame Grabbers
• DSP Clock Timing Reference Source
Pinouts
CA3126
(PDIP)
TOP VIEW
CHROMA IN 1
AFPC FILTER + 2
AFPC FILTER - 3
RF BYPASS 4
GROUND 5
VCO OUT 6
VCO IN 7
CARRIER OUT 8
16 CHROMA GAIN CONT.
15 CHROMA OUT
14 ZENER REF
13 OVERLOAD DET.
12 V+
11 ACC+
10 ACC-
9 HORIZ. KEY IN
CA3126
(SOIC)
TOP VIEW
CHROMA IN 1
AFPC FILTER + 2
NC 3
AFPC FILTER - 4
RF BYPASS 5
GROUND 6
VCO OUT 7
VCO IN 8
NC 9
NC 10
20 CHROMA GAIN CONT.
19 CHROMA OUT
18 NC
17 ZENER REF
16 OVERLOAD DET.
15 V+
14 ACC +
13 ACC -
12 HORIZ. KEY IN
11 CARRIER OUT
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright © Harris Corporation 1999
8-33
File Number 860.5