Datasheet > M52778SP

M52778SP

更新时间： 2024-02-06 20:39:52

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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M52778SP 数据手册

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.

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.

VCO

FM DIRECT OUT

EXT AUDIO IN

AUDIO OUT

- (R-Y) IN

VIF IN

FEATURES

VIF V^CC

• ^{A built-in I}²^{C 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.}

H VCC

- (B-Y) IN

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 V^CC20

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

R OUT

G OUT

B OUT 23

30 KILLER FILTER

Maximum output current.............................................5.0mA (pin13)

VCD V^CC

B IN

R IN

28 AFC2 FILTER

CONTRAST CONT.

G IN

Outline 52P4B

12 3 4 5 6 7...37

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