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SAA4994H from PHILPS,Philips

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SAA4994H

Manufacturer: PHILPS, PHILIPS

Field and line rate converter with noise reduction

Partnumber Manufacturer Quantity Availability
SAA4994H PHILPS, PHILIPS 386 In Stock

Description and Introduction

Field and line rate converter with noise reduction The SAA4994H is a digital video processor IC manufactured by Philips Semiconductors (now NXP Semiconductors).  

### **Specifications:**  
- **Function:** Digital video processor for motion-compensated de-interlacing and scan rate conversion.  
- **Applications:** Used in high-end TV sets, video processors, and professional video equipment.  
- **Input Formats:** Supports standard-definition (SD) and high-definition (HD) video signals.  
- **Processing Capabilities:**  
  - Motion-adaptive de-interlacing  
  - Film mode detection (2:2 and 3:2 pull-down)  
  - Scan rate conversion (e.g., 50Hz ↔ 100Hz, 60Hz ↔ 120Hz)  
  - Noise reduction and edge enhancement  
- **Interface:** Digital video input/output (e.g., ITU-R BT.656, parallel digital video).  
- **Package:** Typically available in a high-density surface-mount package (e.g., QFP).  

### **Features:**  
- High-quality motion estimation for smooth video processing.  
- Supports multiple video standards (PAL, NTSC, SECAM).  
- Integrated line memory for frame storage.  
- Flexible output timing control for different display formats.  
- Low power consumption for consumer electronics applications.  

This IC was widely used in advanced CRT and early flat-panel TVs to enhance video quality.

Application Scenarios & Design Considerations

Field and line rate converter with noise reduction

Alternative Part Number

  • TDA9950 --: NXP (formerly Philips) TV/video companion IC with similar on-screen display and video processing function, commonly used as a cross-reference for SAA-series parts.
  • STV8223 --: Video/deflection processing IC from ST with comparable TV signal handling role, suitable as a functional substitute in many TV chassis designs.
  • LA76931 --: Integrated TV signal processing IC covering similar video and OSD functions, often considered an alternative when SAA4994H is unavailable.
  • TDA9332H --: NXP (formerly Philips) TV deflection/geometry processing IC in the same H-package family, commonly used as a functional substitute in CRT TV chassis designs.
  • STV9379 --: Vertical deflection/geometry processing IC widely used in CRT television sets, offering comparable deflection control functionality for replacement or redesign.
  • LA7845 --: Vertical deflection output/processing IC used in CRT TV applications, providing similar deflection drive function as an alternative sourcing option.
  • TDA8177 --: Vertical deflection IC with comparable drive capability, commonly used as a functional alternative in TV deflection circuits.

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