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M52778SP

更新时间： 2024-11-08 22:46:39
品牌 Logo 应用领域
三菱 - MITSUBISHI 商用集成电路光电二极管
页数 文件大小 规格书
37页 311K
描述
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC

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中文翻译

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M52778SP 数据手册

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MITSUBISHI ICs (TV)  
M52778SP  
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC  
DESCRIPTION  
PIN CONFIGURATION (TOP VIEW)  
The M52778SP is a single-chip semiconductor integrated circuit to  
process signals of a color TV. Circuits to process video IF, sound IF,  
video, color, and deflection signals, a I2C bus control circuit, and D/  
A are build in this device.  
1
2
52  
51  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
AFT OUT  
LIMITER IN  
RF AGC OUT  
IF AGC FILTER  
VIF GND  
VIF IN  
VIDEO OUT  
VIDEO APC FILTER  
VCO  
This IC can be used not only for popular-type TV sets but also for  
middle-class TV sets. Combined with a SECAM chroma decoder,  
the M52325AP, this device can process signals of every type of TVs  
in the world by discriminating them fully automatically.  
3
4
VCO  
5
FM DIRECT OUT  
EXT AUDIO IN  
AUDIO OUT  
- (R-Y) IN  
6
7
VIF IN  
FEATURES  
8
VIF VCC  
• A built-in I2C bus control circuit makes it possible to reduce the  
number of peripheral parts and rationalize production lines.  
• Various filters (TRAP, BPF, Y-DL, RGB clamp) are build in this IC.  
9
H VCC  
- (B-Y) IN  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
RAMP AGC  
SCL  
- (R-Y) OUT  
SECAM REF.  
- (B-Y) OUT  
X-TAL 4.43  
SYNC SEP IN  
Y SW OUT  
VCD GND  
• PLL detection system is introduced to process video IF and voice  
IF. Furthermore, AFT coil is not necessary.  
• DL aperture control  
SCP OUT  
H OUT  
• Color signal frequency and vertical frequency of TVs of every  
type can be discriminated fully automatically.  
SDA  
• Horizontal/vertical countdown system  
• V-Ramp output  
• RGB output  
H OSC  
AFC 1 FILTER  
I REF  
TV IN  
APPLICATION  
PAL/NTSC CTV  
+RAMP OUT  
-RAMP OUT  
CHROMA APC FILTER  
EXT IN  
Hi VCC 20  
AUDIO BYPASS  
X-TAL 3.58  
FAST BLK  
RECOMMENDED OPERATING CONDITION  
Supply voltage................................................V8, 24=5V, V9, 20=8V  
Rated supply voltage........................................V8, 24=4.75 to 5.25V  
V9, 20 =7.6 to 8.4V  
21  
22  
R OUT  
G OUT  
B OUT 23  
30 KILLER FILTER  
29  
Maximum output current.............................................5.0mA (pin13)  
24  
25  
26  
VCD VCC  
B IN  
R IN  
28 AFC2 FILTER  
27  
CONTRAST CONT.  
G IN  
Outline 52P4B  
1
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