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LM1881MX
+NomenclatureIC VIDEO SYNC SEPARATOR 8SOIC
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FabricantTexas Instruments
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Pièce fabricant #LM1881MX
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Package 8-SOIC
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En stock2224
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR) |
| ProductStatus | Obsolete |
| Function | Separator |
| Applications | Professional Video |
| Standards | NTSC, PAL, SECAM |
| Voltage-Supply | 5V ~ 12V |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Présentation
Description
Key features of the LM1881MX include:
1. Sync Separation: It provides composite sync, vertical sync, and odd/even field outputs.
2. Wide Supply Range: Operates from a supply voltage range of 5V to 12V.
3. Low Power: Consumes low power, making it suitable for battery-operated devices.
4. Versatile: Compatible with different video standards like NTSC, PAL, and SECAM.
The LM1881MX is widely used in applications requiring video signal processing, ensuring accurate and reliable synchronization. Its compact package and robust performance make it a popular choice in the electronics industry.
Equivalent
Features
1. Composite Video Compatibility: It works with NTSC, PAL, and SECAM composite video signals.
2. Sync Extraction: Separates composite sync from the video signal to simplify processing.
3. Vertical Sync Output: Provides a vertical sync pulse for display timing.
4. Odd/Even Field Detection: Identifies odd and even fields in interlaced video signals.
5. Burst/Back Porch Timing: Supplies a pulse during the back porch interval for applications needing color burst alignment.
6. Low Power Consumption: Efficient operation with minimal power usage.
7. Wide Supply Range: Operates effectively across a voltage range of 5V to 12V.
8. Small Form Factor: Available in an SOIC-8 package, making it suitable for space-constrained applications.
9. Ease of Use: Requires few external components for operation.
These features make the LM1881MX ideal for use in video processing applications, where synchronization with existing video signals is necessary.
Pinout
1. GND (Pin 1): Ground connection.
2. VSYNC (Pin 2): Outputs the vertical sync signal.
3. N/C (Pin 3): No connection, typically left unconnected.
4. Composite Sync (Pin 4): Outputs the composite sync signal.
5. Odd/Even Output (Pin 5): Provides odd/even field information for interlaced video.
6. RSET (Pin 6): Sets the internal timing threshold, connected to an external resistor to ground.
7. Video In (Pin 7): Input for the composite video signal.
8. VCC (Pin 8): Power supply voltage.
The LM1881MX is commonly used in applications requiring the extraction of sync signals from composite video, such as video processing, display systems, and video capture devices.
Manufacturer
Application
1. Video Processing: Extracts synchronization signals from composite video signals for processing or analysis.
2. Video Display Systems: Synchronizes video displays and monitors.
3. Video Recording: Assists in sync separation for video capturing and recording devices.
4. Security and Surveillance: Utilized in CCTV and other surveillance systems for video signal synchronization.
5. Broadcast Equipment: Aids in the synchronization of broadcast video equipment.
6. Computer Vision: Used in machine vision systems for capturing and processing video inputs.
7. Test Equipment: Employed in video testing and measurement devices.
Its primary role is to enhance the accuracy and reliability of video signal synchronization in these systems.