MITSMI MM1021XS Datasheet

MITSUMI

Sync Detector MM1021

Sync Detector

Monolithic IC MM1021

Outline

This IC is a sync detection circuit for obtaining the best reception state on VCR and TV channel selection
systems. A system with high detection precision and no adjustment required can be configured due to the PLL
format using a ceramic resonator. It can also be used in OSD circuits for blue-back switching and the like.

Features

1. High precision due to use of PLL format

2. Ceramic resonator means no adjustment required

3. Ceramic resonator can be selected for use in either PAL or NTSC

4. Designed for use in video equipment channel selection systems

5. Can also be used as an OSD circuit for blue back switching, etc.

Package

SIP-10A (MM1021XS)

Applications

1. TV

2. VCR

3. Other video equipment

Block Diagram

Pin no.

Pin name

Internal equivalent circuit diagram

Pin no.

Pin name

Internal equivalent circuit diagram

MITSUMI

Sync Detector MM1021

Pin Description

1 OSC OUT 6 VIDEO IN

2 OSC IN1

7

Discrimination

of sync sensor

adjustment

3 OSC IN2 8 COMP IN

10

COMP OUT

4 Phase

comparison

output

5 GND

9 VCC