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TDA9105 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TDA9105ST500Yes

TDA9105 is a deflection controller IC manufactured by PHILIPS (now NXP Semiconductors).

The TDA9105 is a deflection controller IC manufactured by PHILIPS (now NXP Semiconductors).

Specifications:

  • Function: Monolithic integrated circuit for deflection control in CRT monitors.
  • Applications: Used in computer monitors and other CRT-based display systems.
  • Features:
  • Horizontal and vertical deflection control.
  • Synchronization processing (supports multiple sync types).
  • Adjustable geometry corrections (pincushion, trapezoid, etc.).
  • Built-in protection circuits (e.g., X-ray protection).
  • I²C bus interface for digital control.

Descriptions:

  • The TDA9105 integrates horizontal and vertical deflection control, reducing external component count.
  • It supports analog RGB monitors with digital control via I²C.
  • Provides dynamic focus correction for improved image quality.

Features:

  • Horizontal Section:
  • Frequency range up to 150 kHz.
  • Automatic frequency control (AFC).
  • Adjustable phase shift.
  • Vertical Section:
  • Ramp generator for vertical deflection.
  • Adjustable amplitude and linearity.
  • Protection Circuits:
  • Overvoltage protection.
  • Beam current limiting.
  • Power Supply: Typically operates at 12V.

This IC was commonly used in late 1990s and early 2000s CRT monitors. For exact electrical characteristics, refer to the official datasheet.

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