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TDA9105A from ST,ST Microelectronics

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TDA9105A

Manufacturer: ST, PHIL

DEFLECTION PROCESSOR FOR MULTISYNC MONITORS

Partnumber Manufacturer Quantity Availability
TDA9105A ST, PHIL 203 In Stock

Description and Introduction

DEFLECTION PROCESSOR FOR MULTISYNC MONITORS The TDA9105A is a horizontal deflection controller IC manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Supply Voltage (VCC):** 12V  
- **Operating Temperature Range:** -20°C to +85°C  
- **Package:** DIP-20 (Dual In-line Package)  
- **Frequency Range:** Suitable for horizontal deflection in CRT monitors and TVs  
- **Integrated Functions:** Horizontal oscillator, phase detector, sawtooth generator, and driver output  

### **Descriptions:**  
The TDA9105A is designed for horizontal deflection control in CRT-based displays. It provides precise synchronization and deflection control, ensuring stable image geometry.  

### **Features:**  
- **Horizontal Oscillator:** Generates the deflection frequency  
- **Phase Detector:** Ensures synchronization with the input signal  
- **Sawtooth Generator:** Produces the deflection waveform  
- **Driver Output:** Controls the horizontal output transistor  
- **Protection Circuits:** Includes safeguards against overvoltage and excessive current  

This IC is primarily used in CRT monitors and televisions for horizontal deflection control.

Application Scenarios & Design Considerations

DEFLECTION PROCESSOR FOR MULTISYNC MONITORS

Alternative Part Number

  • LA7851 --: CRT monitor deflection/horizontal-vertical sync controller with similar function to the TDA9105A, widely used as a drop-in substitute in monitor chassis.
  • LM1296N --: Deflection processor IC for CRT displays offering comparable sync and deflection control functions, usable as a functional replacement.
  • TDA9109 --: Later-generation ST deflection processor in the same family with improved features; pin-compatible in many monitor designs and a common upgrade path.
  • STV9379 --: Vertical deflection output IC commonly used in CRT monitors, functionally similar to the TDA9105A deflection processor and widely available as a replacement in monitor chassis.
  • TDA9111 --: Later-generation I2C-bus deflection processor from a different series that covers similar monitor deflection and geometry control functions.

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