BA7242F Datasheet, PDF (1/5 Pages) Rohm – Color TV signal encoder

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