MM1327XD 데이터 시트보기 (PDF) - Mitsumi

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MM1327XD

Wide Discriminator

Mitsumi 

MITSUMI

Wide Discriminator

Monolithic IC MM1327

Wide Discriminator MM1327

Outline

This IC identifies the letter box portion of wide broadcast, etc. video signals. The luminance and chroma

signals are used so that the rate of identification on dark screens is increased. Output is the total of 6bit ADC

data and character signal, etc. white peak signal discriminator bit, for 7bit data output.

In addition, an EDTV2 simple discrimination function is built-in.

Features

1. Signal level discrimination using composite luminance and chroma signal

2. Discrimination of video signal within horizontal scanning interval can be done every scan due to integrated

output

3. Built-in white peak detection circuit for subtitles

4. Built-in EDTV2 simple discrimination function

5. 22H discrimination output (COMB-THROUGH) circuit built-in

6. Built-in window limiter circuit

7. Data output is 7bit serial output format : 6bit ADC + peak detection

8. Operates on +5V single power supply

Package

SDIP-30

Applications

Wide TV

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