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TB1231CN Schematic ( PDF Datasheet ) - Toshiba

Teilenummer TB1231CN
Beschreibung PAL/NTSC 1CHIP (IF + VCD PROCESSOR) IC
Hersteller Toshiba
Logo Toshiba Logo 




Gesamt 30 Seiten
TB1231CN Datasheet, Funktion
TOSHIBA
TOSHIBA Bi-CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC
TB1231CN
TB1231CN
PAL/ NTSC 1CHIP (IF+ VCD PROCESSOR) IC
TB1231CN is the IF & Video processing IC for PAL/NTSC
color TV system. This IC demodulates PAL/ NTSC PIF, SIF
and composite video signal to RIG I B primary colors and
Audio signals. This IC can constitute Multi-Color System
by combined with TA1275AZ (SECAM Processor).
TB1231CN has the analog RIGIB interface, therefore it is
easy to make up PIP system by using this IC.
Because of the built-in video and audio switch, TB1231CN
can deal with an external channel without extra switch.
TB1231CN has an 12C BUS interface. Various controls
(Brightness, Color etc.) can be done via two bus lines.
SDIPSG-P-600-1.78
Weight 5.55g (Typ.)
961001 EBA1
eTOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress.
It is the responsibility of the buyer, when utilizing TOSHIBA products, to observe standards of safety, and to avoid
situations in which a malfunction or failure of a TOSHIBA product could cause loss of human life, bodily injury or
damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified
operating ranges as set forth in the most recent products specifications. Also, please keep in mind the precautions
and conditions set forth in the TOSHIBA Semiconductor Reliability Handbook.
eThe products described in this document are subject to foreign exchange and foreign trade control laws.
eThe information contained herein is presented only as a guide for the applications of our products. No responsibility
is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third
parties which may result from its use. No license is granted by implication or otherwise under any intellectual
e property or other rights of TOSHIBA CORPORATION or others.
The information contained herein is subject to change without notice.
1998-05-12 1/77






TB1231CN Datasheet, Funktion
PIN
No.
PIN NAME
FUNCTION
6 IF Input
7 IF Input
The terminal for IF
signal input.
Pin 6 & Pin 7 are the
both input poles of a
differential amplifier.
INTERFACE CIRCUIT
~~
6
20pF
I
v~J-
~
7
20pF
.. .G c:
"""'' """'
~~~
3
5
8 RF AGC
.....
U)
U)
00
I
0
.V.I.1..
1\.J
en
~
-....1 TB1231CN- 6
The terminal for RF
AGC output (Open
corrector Output).
To get rid of noises,
connect a capacitor to
this terminal.
c..:.
"' c:
0
~
0
"'
300D.
8
v
J:~ c:
~ -"
0
"'
c:
"0"'
"'
3
5
INPUT /OUTPUT
Typical Input
90dB,uV
OV-9V
-1
0en
-:::1:
m
)>
-I
OJ
-1w\J
-z(")

6 Page









TB1231CN pdf, datenblatt
PIN
No.
PIN NAME
FUNCTION
INTERFACE CIRCUIT
,-----~.---~----~------~:28
23 I V.NFB
The terminal for input
of V.sawteeth signal
feedback.
The amplitude of feed
back signal is controlled
by bus.
->
N
24 I V.Output
The terminal for output
of Vertical drive signal.
......
1.0
1.0
00
I
0
U'1
..I....
I'J
......
I'J
~
-....! TB1231 CN -12
,---~~-----r----------~8
s
0
M
2oon
skn
c:
-"
INPUT /OUTPUT
················•···········•············6.6V
Max.
-1
0en
-:::1:
m
)>
-I
OJ
-1w\J
-z(")

12 Page





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