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LM1881M

Video Sync Separator

Partnumber Manufacturer Quantity Availability
LM1881M 275 In Stock

Description and Introduction

Video Sync Separator The LM1881M is a video sync separator manufactured by Texas Instruments. Below are its specifications, descriptions, and features:

### **Manufacturer:**  
Texas Instruments  

### **Description:**  
The LM1881M is a monolithic sync separator designed to extract sync information from standard video signals, including composite, S-video, and non-standard video formats. It processes video signals to provide horizontal sync, vertical sync, composite sync, and burst/back porch timing outputs.  

### **Key Features:**  
1. **Sync Separation:**  
   - Extracts horizontal, vertical, and composite sync signals from NTSC, PAL, and SECAM video signals.  

2. **Input Compatibility:**  
   - Works with standard composite video (1Vp-p) and S-video (luminance input).  
   - Supports non-standard video formats.  

3. **Output Signals:**  
   - Composite Sync Output  
   - Vertical Sync Output  
   - Horizontal Sync Output  
   - Burst/Back Porch Timing Output  

4. **Power Supply:**  
   - Operates from a single +5V supply.  

5. **Low Power Consumption:**  
   - Typically consumes 10mA of supply current.  

6. **Package:**  
   - Available in an 8-pin SOIC (M) package.  

7. **Applications:**  
   - Video sync detection in TV systems, video processing, and video capture devices.  
   - Used in video editing, genlock circuits, and video signal analysis.  

### **Specifications:**  
- **Supply Voltage Range:** +5V ±10%  
- **Operating Temperature Range:** 0°C to +70°C  
- **Input Signal Amplitude:** 0.5V to 2.0V (p-p)  
- **Output Logic Levels:** TTL-compatible  

The LM1881M is widely used in professional and consumer video equipment for reliable sync extraction.

Application Scenarios & Design Considerations

Video Sync Separator

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