BA7242 View Datasheet(PDF) - ROHM Semiconductor

Part Name

Description

Manufacturer

BA7242

Color TV signal encoder

ROHM Semiconductor 

Multimedia ICs

Color TV signal encoder

BA7242F

The BA7242F is an IC which converts analog RGB signals to NTSC and PAL color TV signals. In addition to com-

posite output, luminance output, chrominance output, and analog RGB output are available. Each type of output is

equipped with an internal 75Ω driver.

•Applications

TV peripheral devices

•Features

1) Supports both NTSC and PAL systems.

2) Internal flip-flop circuit for PAL common mode

switching

3) Equipped with Y / C separated output pin.

4) Internal 75Ω driver

5) Supports subcarrier pulse for color input

•Block diagram

BIN 1

CLAMP

GIN 2

BFP

CLAMP

RIN

VCC1

BFP

3

CLAMP

BFP

4

SYNC 5

BFP 6

GND1 7

14 VCC2

13 YOUT

12 VOUT

11 GND2

10 COUT

9 NT / PAL

8 SCIN

1

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