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LM1881

Video Sync Separator

Partnumber Manufacturer Quantity Availability
LM1881 288 In Stock

Description and Introduction

Video Sync Separator The LM1881 is a video sync separator IC manufactured by Texas Instruments.  

### **Specifications:**  
- **Input Voltage Range:** 5V to 12V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** 8-pin DIP or SOIC  
- **Sync Separation:** Extracts composite sync, vertical sync, and burst/back porch timing from NTSC, PAL, or SECAM video signals  
- **Outputs:**  
  - Composite Sync Output  
  - Vertical Sync Output  
  - Burst/Back Porch Output (for color processing)  

### **Descriptions:**  
The LM1881 is designed to extract synchronization signals from standard video formats (NTSC, PAL, SECAM). It processes composite video signals to generate clean sync pulses, making it useful in video processing, genlock applications, and timing extraction circuits.  

### **Features:**  
- **Wide Supply Voltage Range:** Operates from 5V to 12V  
- **Low Power Consumption:** Typically 10mA at 5V  
- **No External Components Required:** Minimal external circuitry needed for basic operation  
- **Robust Sync Detection:** Works with noisy or weak video signals  
- **Compatible with Multiple Standards:** Supports NTSC, PAL, and SECAM video signals  

The LM1881 is commonly used in video equipment, security systems, and retro gaming hardware for sync signal extraction.

Application Scenarios & Design Considerations

Video Sync Separator

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