LMH1982SQ/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LMH1982SQ/NOPB is a high-performance video sync separator and 3-line digital comb filter IC. It is designed for use in video processing applications, such as video signal separation and noise reduction.

Characteristics: - High-quality video signal processing - Accurate sync separation - Advanced digital comb filtering - Low power consumption - Compact package size

Package: The LMH1982SQ/NOPB is available in a small outline package (SOP) with 16 pins.

Essence: The essence of the LMH1982SQ/NOPB lies in its ability to accurately separate video sync signals and perform advanced digital comb filtering, resulting in improved video quality.

Packaging/Quantity: The LMH1982SQ/NOPB is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Sync Input Frequency Range: 15kHz to 150kHz
• Video Input Signal Level: 0.7Vpp to 1.4Vpp
• Power Consumption: 50mW (typical)

Detailed Pin Configuration

The LMH1982SQ/NOPB has the following pin configuration:

1. VCC - Power supply voltage input
2. GND - Ground reference
3. CVBS_IN - Composite video input
4. Y_IN - Luminance (Y) video input
5. C_IN - Chrominance (C) video input
6. SYNC_IN - Sync input
7. NC - No connection
8. NC - No connection
9. NC - No connection
10. NC - No connection
11. NC - No connection
12. NC - No connection
13. CVBS_OUT - Composite video output
14. Y_OUT - Luminance (Y) video output
15. C_OUT - Chrominance (C) video output
16. SYNC_OUT - Sync output

Functional Features

The LMH1982SQ/NOPB offers the following functional features:

1. Accurate sync separation: The IC accurately separates the sync signals from the video input, ensuring stable and synchronized video output.
2. Advanced digital comb filtering: The built-in comb filter reduces noise and artifacts in the video signal, resulting in improved picture quality.
3. Low power consumption: The IC is designed to operate with low power consumption, making it suitable for battery-powered devices.
4. Compact package size: The small outline package allows for easy integration into space-constrained applications.

Advantages and Disadvantages

Advantages: - High-quality video signal processing - Accurate sync separation - Advanced digital comb filtering - Low power consumption - Compact package size

Disadvantages: - Limited sync input frequency range (15kHz to 150kHz)

Working Principles

The LMH1982SQ/NOPB works by analyzing the incoming video signal and separating the sync signals from the composite video. It then applies advanced digital comb filtering techniques to reduce noise and improve the overall video quality. The processed video signal is then output through the corresponding video outputs.

Detailed Application Field Plans

The LMH1982SQ/NOPB can be used in various video processing applications, including: 1. Television sets 2. Video recorders 3. Video game consoles 4. Video surveillance systems 5. Multimedia devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LMH1982SQ/NOPB are: 1. AD724JRZ - Analog Devices 2. TDA4680 - NXP Semiconductors 3. CXA1645P - Sony Corporation 4. MAX7456EUI - Maxim Integrated

These alternative models can be considered based on specific application requirements and availability.

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