LMH1982SQE/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LMH1982SQE/NOPB is a high-performance video sync separator and 2:1 multiplexer IC. It is designed to extract horizontal and vertical synchronization signals from composite video signals and provide them as separate outputs. Additionally, it can switch between two different video sources.

Characteristics: - High precision synchronization extraction - Low power consumption - Wide operating voltage range - Small package size - Easy integration into various video processing systems

Package: The LMH1982SQE/NOPB is available in a small outline package (SOP) with 16 pins.

Essence: This IC is essential for video processing applications that require accurate synchronization signal extraction and switching between multiple video sources.

Packaging/Quantity: The LMH1982SQE/NOPB is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input Video Signal Range: 0.5Vpp to 2Vpp
• Output Synchronization Signals: HSYNC, VSYNC
• Input Video Source Selection: A, B
• Package Type: SOP-16

Detailed Pin Configuration

The LMH1982SQE/NOPB has the following pin configuration:

| Pin No. | Pin Name | Description | |---------|----------|-------------| | 1 | GND | Ground | | 2 | VCC | Power supply (3V to 5.5V) | | 3 | A | Video input source selection (A) | | 4 | B | Video input source selection (B) | | 5 | VSYNC | Vertical synchronization output | | 6 | HSYNC | Horizontal synchronization output | | 7-16 | NC | No connection |

Functional Features

1. Sync Separation: The LMH1982SQE/NOPB accurately separates horizontal and vertical synchronization signals from composite video signals.
2. Source Selection: It allows switching between two different video sources (A and B) using the A and B input pins.
3. High Precision: The IC ensures precise synchronization extraction, enabling reliable video processing.
4. Low Power Consumption: The LMH1982SQE/NOPB is designed to operate with low power consumption, making it suitable for battery-powered devices.
5. Wide Operating Voltage Range: It can operate within a wide voltage range of 3V to 5.5V, providing flexibility in various applications.

Advantages and Disadvantages

Advantages: - Accurate synchronization signal extraction - Low power consumption - Wide operating voltage range - Small package size for space-constrained designs - Easy integration into video processing systems

Disadvantages: - Limited to 2:1 video source selection - May require additional circuitry for complex video processing requirements

Working Principles

The LMH1982SQE/NOPB utilizes advanced sync separation techniques to extract horizontal and vertical synchronization signals from composite video signals. It employs internal circuitry to detect and separate these sync signals accurately. The selected video source is determined by the A and B input pins, allowing seamless switching between two video sources.

Detailed Application Field Plans

The LMH1982SQE/NOPB finds applications in various fields, including: 1. Video surveillance systems 2. Broadcast equipment 3. Video editing and post-production 4. Medical imaging devices 5. Industrial automation systems 6. Gaming consoles

Detailed and Complete Alternative Models

1. LMH1983SQE/NOPB: Similar to LMH1982SQE/NOPB, but with 3:1 video source selection capability.
2. LMH1984SQE/NOPB: Advanced version with integrated sync processing and multiple video source selection.

These alternative models offer enhanced features and expanded capabilities for specific application requirements.

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