Спецификации
| Атрибут | Ценность |
| 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) |
Обзор
Description
The LM1881MX is a video sync separator IC designed by Texas Instruments. It extracts timing information from composite video signals to generate sync signals that are useful for various video processing tasks. This IC is commonly used in applications that require video synchronization, such as monitors, televisions, and video recorders. It is capable of separating vertical and horizontal sync signals as well as odd/even field information from standard NTSC, PAL, or SECAM video formats.
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.
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
The LM1881MX is a sync separator IC used primarily for extracting sync signals from composite video. Equivalent products include the On Semiconductor LM1881N, Elantec EL1883, and the Texas Instruments LMH1980. These alternatives offer similar functionality for video sync separation applications. Always check the datasheets to ensure compatibility with your specific application requirements.
Features
The LM1881MX is a video sync separator IC that extracts timing information from standard video signals. Key features include:
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.
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
The LM1881MX is a video sync separation IC used to extract timing information from video signals. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
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.
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
The LM1881MX is a sync separator IC originally produced by National Semiconductor, which is now part of Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, including integrated circuits. The company is known for its innovation in analog and embedded processing products, serving industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is recognized as a leader in the electronics industry, providing solutions that help to enhance the efficiency and performance of electronic systems.
Application
The LM1881MX is a video sync separator IC used in various applications. Key areas include:
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.
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.
Package
The LM1881MX is a video sync separator IC available in an SOIC-8 package, which is a Small Outline Integrated Circuit with 8 pins. This surface-mount package is compact and suitable for automated assembly on printed circuit boards.