Professional IC Distribution & Technical Solutions

The M51393AP is a monolithic integrated circuit (IC) manufactured by Mitsubishi Electric (MIT). Below are its specifications, descriptions, and features based on available technical documentation:

Manufacturer:

• Mitsubishi Electric (MIT)

Specifications:

1. Function:

• Video signal processing IC (commonly used in CRT TV and monitor circuits).
• Includes chroma (color) processing, luminance (brightness) control, and sync signal handling.

2. Package:

• DIP (Dual In-line Package) – Typically 24 or 28 pins (exact pin count may vary).

3. Operating Voltage:

• Typically +12V (exact voltage range may vary depending on application).

4. Features:

• Chroma Processing: Includes color demodulation and matrix circuits.
• Luminance Control: Adjusts brightness and contrast.
• Sync Separation: Handles horizontal and vertical sync signals.
• Automatic Color Control (ACC): Stabilizes color levels.
• Built-in APC (Automatic Phase Control): Ensures stable color synchronization.

5. Applications:

• Used in CRT televisions and monitors (especially in older Mitsubishi models).
• Found in analog video processing circuits.

Descriptions:

• The M51393AP is designed for composite video signal processing, integrating multiple functions such as chroma, luminance, and sync processing in a single chip.
• It was widely used in 1980s–1990s CRT-based TV sets for decoding PAL/NTSC signals.
• The IC interfaces with tuners, deflection circuits, and CRT drivers to produce a stable video output.

Features Summary:

✔ Integrated chroma & luminance processing

✔ Sync separator for horizontal/vertical signals

✔ Automatic color and phase control

✔ Designed for CRT-based displays

✔ Monolithic silicon IC for reliability

For exact pin configurations and application circuits, refer to the M51393AP datasheet from Mitsubishi Electric.

*(Note: This IC may be obsolete, but replacement or equivalent parts may be available.)*