BA7078AF View Datasheet(PDF) - ROHM Semiconductor

Part Name

Description

Manufacturer

BA7078AF

Synchronization signal processor for high definition displays

ROHM Semiconductor 

Multimedia ICs

BA7078AF/AS

Synchronization signal processor for

high definition displays

BA7078AF/AS

The BA7078AF is a synchronization signal processing LSI chip designed for multiscan high-definition displays. It

generates a synchronization signal and clamp pulse for three types of input signals: separate synchronization, composite

synchronization, and synchronization on video.

!Application

CRT displays

!Features

1) Operates on a single 5V power supply, with low power consumption.

2) Synchronization signal existence and polarity detec-tion output.

3) Adjustable clamp pulse width, allowing for the selec-tion of front or back editing.

4) Vertical synchronization separation is based on hori-zontal frequency tracking, for separation starting at 1H.

5) Minimal attached components.

!Absolute maximum ratings (Ta = 25°C)

Parameter

Symbol

Limits

Unit

Power supply voltage

Power dissipation

VCC

7.0

∗1 450(BA7078AF)

Pd

∗2 600(BA7078AS)

Operating temperature

Topr

−25 to +75

Storage temperature

Tstg

−55 to +125

∗1 Reduced by 4.5mW for each increase in Ta of 1°C over 25°C.

∗2 Reduced by 6.0mW for each increase in Ta of 1°C over 25°C.

V

mW

°C

°C

!Recommended operating conditions (Ta = 25°C)

Parameter

Symbol Min. Typ. Max. Unit

Power supply voltage

VCC

4.5 5.0 5.5

V

1/12

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