BA7659F 查看數據表（PDF） - ROHM Semiconductor

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BA7659F

Ultra Wide Band Triple Circuits Video Signal Switchers

ROHM Semiconductor 

BA7657F,BH7659FS

○BA7657F

Pin

No.

Pin name

Reference

potential

18

Composite Video

input

2.5V

Equivalent circuit

Technical Note

Function

Input pin for composite signal

(Sync on Green).

2

HD Sync

Signal detector

－

17

Composite sync

output

－

This pin is used to detect

whether or not the HD signal is

being input.

When the HD signal is being

input, the synchronization

signal separation circuit is

stopped.

Synchronization signal output

pin

Synchronization separation is

performed for the input signal

from pin 18 if the HD signal is

not being input.

20 VCC

5V

－

Insert a decoupling capacitor

near the pin.

4

6 GND

0V

8

－

Use as large a GND pattern

area as possible.

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8/16

2011.04 - Rev.A

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