LM1881MX/NOPB

Video Processing Overview

The LM1881MX/NOPB is a video sync separator integrated circuit manufactured by Texas Instruments, designed for NTSC, PAL, and SECAM standards. It operates on a single supply voltage ranging from 5V to 12V and is housed in an 8-SOIC package with a width of 3.90mm. The device extracts composite sync, vertical sync, odd/even field signals, and burst/back porch timing information from standard negative-polarity composite video signals. It supports non-standard video signal synchronization with horizontal scan rates up to 150kHz.

Video Processing Feature Summary

• Extracts composite sync, vertical sync, and odd/even field signals from standard NTSC, PAL, and SECAM video inputs
• Supports synchronization for non-standard video signals with high horizontal scan rate capability
• Features AC-coupled composite input with high input impedance exceeding 10kΩ
• Provides edge-triggered vertical output synchronized to the first sawtooth rising edge of the vertical sync period

Video Processing Applications

• Portable image acquisition equipment
• Video surveillance systems
• Smart vehicle visual control
• Laser multi-frequency synchronous modulators

Video Processing Procurement Notes

Verify the specific suffix MX/NOPB against the manufacturer's current datasheet to confirm pinout compatibility and RoHS compliance status. Ensure the operating temperature range aligns with your system requirements, as industrial variants may differ. Cross-reference the 8-SOIC package dimensions with your PCB footprint library to prevent assembly errors during production integration.

Video Processing Selection Notes

Select this component when designing circuits requiring reliable sync separation for analog video formats including NTSC, PAL, and SECAM. It is suitable for applications needing to interface with CPLDs or microcontrollers for precise timing logic control. Consider its 5V to 12V single-supply operation and low power consumption characteristics when evaluating power budget constraints for portable or battery-operated video processing devices.

Video Processing Part Context

This part belongs to the LM1881 family of video sync separators produced by Texas Instruments. The 'MX' designation indicates the surface-mount SOIC package variant, while '/NOPB' signifies lead-free construction without halogenated flame retardants. It serves as a specialized analog IC within the broader video processing category, distinct from digital video processors or sequencers found in other product lines.

Video Processing Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.