LMH1983SQ/NOPB

The LMH1983SQ/NOPB is a high-performance video sync separator and timing generator integrated circuit (IC) produced by Texas Instruments. This device is designed to extract synchronization signals from composite video signals, making it particularly useful in video processing applications.

Key Features:

1. Functionality: The LMH1983 is capable of separating horizontal and vertical sync signals from standard composite video inputs. It can handle various video formats, including NTSC, PAL, and SECAM, making it versatile for different applications.

2. Output Signals: The IC provides separate output pins for horizontal sync (HSYNC) and vertical sync (VSYNC) signals. Additionally, it can generate a composite sync output, which combines both horizontal and vertical sync signals into a single output.

3. Timing Generation: The LMH1983 includes a built-in timing generator that can produce timing signals for video applications. This feature is essential for synchronizing video displays and ensuring proper image rendering.

4. Low Power Consumption: The device is designed to operate with low power, making it suitable for battery-powered applications and energy-efficient designs.

5. Wide Operating Voltage Range: The LMH1983 operates over a broad voltage range, typically from 3.3V to 5V, allowing it to be used in various electronic systems.

6. Package Type: The "SQ" in the part number indicates that the device is available in a TQFP (Thin Quad Flat Package) format, which is a surface-mount package that allows for a compact design and efficient use of PCB space.

7. Temperature Range: The LMH1983 is rated for operation over an industrial temperature range, typically from -40°C to +85°C, making it suitable for use in a variety of environments, including industrial and automotive applications.

8. Applications: This IC is commonly used in video processing systems, including video cameras, video conferencing equipment, and display systems. It is also utilized in consumer electronics, such as televisions and set-top boxes.

Pin Configuration:

The LMH1983SQ/NOPB features multiple pins for input and output connections, including:

• Composite Video Input: For receiving the video signal.
• HSYNC and VSYNC Outputs: For providing the separated sync signals.
• Composite Sync Output: For applications requiring a combined sync signal.
• Power Supply Pins: For connecting to the power source.

Conclusion:

The LMH1983SQ/NOPB from Texas Instruments is a robust and versatile sync separator and timing generator that plays a crucial role in video signal processing. Its ability to handle multiple video formats, combined with low power consumption and a wide operating voltage range, makes it an excellent choice for a variety of video-related applications.