M52347

更新时间： 2024-01-25 01:22:56

品牌	Logo	应用领域
三菱 - MITSUBISHI		/
页数	文件大小	规格书
13页	134K
描述
SYNC SIGNAL PROCESSOR

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技术参数
数据手册

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M52347 技术参数

生命周期：	Not Recommended	零件包装代码：	DIP
包装说明：	SDIP, SDIP20,.3	针数：	20
Reach Compliance Code：	compliant	HTS代码：	8542.39.00.01
风险等级：	5.32	Is Samacsys：	N
商用集成电路类型：	CONSUMER CIRCUIT	JESD-30 代码：	R-PDIP-T20
长度：	19 mm	功能数量：	1
端子数量：	20	最高工作温度：	85 °C
最低工作温度：	-20 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SDIP	封装等效代码：	SDIP20,.3
封装形状：	RECTANGULAR	封装形式：	IN-LINE, SHRINK PITCH
电源：	5 V	认证状态：	Not Qualified
座面最大高度：	4.5 mm	子类别：	Other Consumer ICs
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	4.5 V
表面贴装：	NO	技术：	BIPOLAR
温度等级：	OTHER	端子形式：	THROUGH-HOLE
端子节距：	1.778 mm	端子位置：	DUAL
宽度：	7.62 mm	Base Number Matches：	1

M52347 数据手册

MITSUBISHI ICs (Monitor)

M52347SP/FP

SYNC SIGNAL PROCESSOR

APPLICATION METHOD

1. Input block

18kΩ

1) GREEN (SYNC ON VIDEO) IN (Pin

)

Input signal

Input with sync negative polarity.

or pin

100Ω

3kΩ

Comparison of pin

input signal and the reference voltage of

the inside of the IC performs the synchronous separation. When

This additional circuit (limiter) limits

the amplitude to 0.6 V^P-P.

the input at pin

is less than or equal to the reference voltage

: 5V

(2.8V) and the ﬂowing current is more than or equal to the input

Fig. 4

sensitivity current (200 µ A or more), the signal is separated.

When only a synchronous signal is input into pin

, the

operatable amplitude and the duty are as shown in Figure 1.

If the IC does not operate normally with the video signal input,

change the value of external resistance R to make the current

optimum.

R=56kΩ

But, when capacity value is too big, output response

becomes bad.

R=75kΩ

2) COMP/H IN, VIN (pins

and

)

3.3µ

The composite sync input is connected to pin . H and V of the

separate sync input are connected to pins

and

f=100kHz

0.2

respectively. For each of pins

and , the bias is 2.5V and the

impedance is 10 kΩ. The internal double threshold converter is

used for shaping waveform and for detecting polarity.

Average DC voltage of input signal is 2.5V. Each threshold

voltage is set at a voltage ±0.3V away from this voltage.

0.4

0.6

0.8

1.0

Input Amplitude (VP-P)

Fig. 1

If the duty ratio at pin

is small as shown in Figure 2, the

optimum value is approx. 0.3 VP-P. If the duty ratio is large, the

optimum value is approx. 0.6 VP-P. Figure 3 shows the allowable

input amplitude and the reference value of duty test.

Only 5V TTL input, decrease the amplitude by resistor

splitting.

In addition, Figure 4 shows an example for improving the

capability of the allowable duty when the input amplitude is 0.7

VP-P or more.

To use the IC out of the standard value, remove the ﬁlter from

pins

and , observe the waveform and check for a match

with the waveform shown in Figure 5.

0.5

1.5

2.5

Input Amplitude (VP-P)

2.8V

2.5V

2.2V

Fig. 3

4.5V

NEG input

Small POSI Duty

Lsrge NEG Duty

2.5V

Fig. 2

POSI input

0.5V

Fig. 5

1...7 8 91011 12 13

中文翻译

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与M52347相关器件

型号	品牌	描述	获取价格	数据表
M52347FP	MITSUBISHI	SYNC SIGNAL PROCESSOR	获取价格
M52347SP	MITSUBISHI	SYNC SIGNAL PROCESSOR	获取价格
M52347SP	RENESAS	Sync Signal Processor	获取价格
M52348FP	MITSUBISHI	WIDE FREQUENCY BAND ANALOG SWITCH	获取价格
M52348P	MITSUBISHI	Consumer Circuit, PDIP32, 32P4B	获取价格
M52348SP	MITSUBISHI	WIDE FREQUENCY BAND ANALOG SWITCH	获取价格

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