CXA1145 Datasheet PDF – CXA1145M, RGB Encoder – Sony

Part Number: CXA1145M

Function : RGB Encoder ( Bipolar Silicon Monolithic IC )

Package: DIP 24 Pin Type

Manufacturer: Sony Corporation

CXA1145 Image


The CXA1145P, CXA1145M, CXA1145 encoder converts an analog RGB signal to a composite video signal. With its built-in circuit various pulses required for an encoder, composite video outputs are obtained just by inputting the composite sync and analog RGB signal.


1. Single power supply 5V

2. Low power consumption ( 110 mW )

3. Compatible both with NTSC and PAL systems

4. Built-in 75 Ohm driver

5. Built-in oscillator for subcarrier

6. External input of subcarrier is also possible

7. Built-in audio buffer circuit

Block Diagram :

CXA1145 Datasheet CXA1145P Pinout
Functions :

1. MTX circuit

2. R-Y, B-Y MOD circuit

3. Y/C MIX circuit

4. 75 Ohm driver for RGB, composite video and composite sync outputs

5. PAL ALT Circuit

6. BF generator

7. Half H killer circuit

8. Subcarrier oscillator

9. Audio buffer circuit


CXA1145 Datasheet PDF