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LM1881N/NOPB
Video Separator IC NTSC, PAL, SECAM 8-PDIP Package
LM1881N/NOPB Engineering Specifications
General Description
The LM1881N/NOPB is a precision video synchronization separator integrated circuit manufactured by Texas Instruments. It is designed to extract timing information from composite video signals and generate synchronization outputs required for video processing, display control, video capture, and television signal applications.
The device separates composite sync, vertical sync, burst or back-porch timing, and odd/even field information from standard analog video formats. It operates with both monochrome and color composite video signals and is commonly used in video synchronization systems, frame grabbers, video overlays, video switching equipment, and display synchronization circuits.
The integrated circuit simplifies video timing recovery by eliminating the need for complex discrete-component sync separation circuits. Its low-power bipolar architecture provides reliable operation across a wide range of video applications while maintaining accurate synchronization detection.
Engineering Specifications
Manufacturer: Texas Instruments
Manufacturer Part Number: LM1881N/NOPB
Component Type: Video synchronization separator integrated circuit
Function: Composite video sync extraction and timing separation
Technology: Bipolar analog integrated circuit
Video Signal Compatibility: Composite video input
Supported Video Formats: NTSC, PAL and SECAM composite video systems
Input Signal Type: Composite video
Composite Sync Output: Available
Vertical Sync Output: Available
Burst or Back-Porch Output: Available
Odd/Even Field Output: Available
Synchronization Detection: Automatic extraction of video timing signals
Power Supply Configuration: Single-supply operation
Supply Voltage Range: Wide operating voltage range suitable for video processing systems
Power Consumption: Low-power operation
Output Configuration: TTL and CMOS compatible synchronization outputs
Input Coupling: AC-coupled composite video input
Noise Immunity: High immunity to video signal disturbances and noise
Signal Processing Capability: Composite sync, vertical sync and field identification extraction
Applications Compatibility: Video displays, frame grabbers, video processors, video switching systems and synchronization controllers
Operating Temperature Range: Commercial temperature range
Package Type: Plastic dual in-line package
Package Configuration: Through-hole mounting package
Pin Configuration: Standard DIP package layout
Mounting Style: Through-hole
Environmental Compliance: Lead-free and RoHS compliant NOPB version
Reliability Features: Stable synchronization extraction and accurate timing recovery
Typical Applications
Video synchronization circuits
Video capture equipment
Frame grabber systems
Television signal processing
Video overlay generators
Video switching equipment
Security and surveillance video systems
Display synchronization controllers
Industrial video monitoring equipment
Embedded video processing systems
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