EL1881CS-T7
Product Overview
Category: Integrated Circuit (IC)
Use: Video Sync Separator
Characteristics: - Converts composite sync signals into separate horizontal and vertical sync signals - Suitable for use in video applications - Provides stable and reliable sync signals
Package: SOP-8 (Small Outline Package)
Essence: The EL1881CS-T7 is a video sync separator IC that extracts horizontal and vertical sync signals from composite sync signals.
Packaging/Quantity: The EL1881CS-T7 is typically sold in reels containing 2500 units.
Specifications
- Supply Voltage: 4.75V to 5.25V
- Operating Temperature Range: -40°C to +85°C
- Input Signal Level: 0.3Vpp to 2.0Vpp
- Output Signal Levels: TTL-compatible
- Sync Pulse Width: 2µs to 64µs
- Horizontal Frequency Range: 15kHz to 130kHz
- Vertical Frequency Range: 50Hz to 120Hz
Detailed Pin Configuration
The EL1881CS-T7 has the following pin configuration:
| Pin No. | Pin Name | Description | |---------|----------|-------------| | 1 | VCC | Power supply voltage input | | 2 | GND | Ground | | 3 | CVBS | Composite video input | | 4 | Y | Luminance output | | 5 | C | Chrominance output | | 6 | HSYNC | Horizontal sync output | | 7 | VSYNC | Vertical sync output | | 8 | NC | No connection |
Functional Features
- Extracts horizontal and vertical sync signals from composite sync signals
- Provides stable and reliable sync signals for video applications
- Supports a wide range of input signal levels and sync pulse widths
- Outputs TTL-compatible sync signals for easy integration with other circuits
Advantages and Disadvantages
Advantages: - High accuracy in separating sync signals - Wide operating temperature range - Compact SOP-8 package for space-constrained designs - Suitable for various video applications
Disadvantages: - Requires an external power supply - Limited to composite video inputs
Working Principles
The EL1881CS-T7 works by analyzing the composite sync signal received at the CVBS pin. It separates the horizontal and vertical sync signals from the composite sync signal using internal circuitry. The extracted sync signals are then provided as outputs at the HSYNC and VSYNC pins.
Detailed Application Field Plans
The EL1881CS-T7 is commonly used in the following applications:
- Video surveillance systems
- Video processing equipment
- Video game consoles
- Set-top boxes
- Video distribution amplifiers
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to the EL1881CS-T7 are:
- LM1881N - Video Sync Separator IC
- MAX7456 - On-Screen Display (OSD) Generator with Sync Separator
- TDA4680 - Video Sync Separator and Vertical Deflection Circuit
These alternative models offer similar functionality and can be used as replacements depending on specific requirements.
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技術ソリューションにおける EL1881CS-T7 の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of EL1881CS-T7 in technical solutions:
Q1: What is EL1881CS-T7? A1: EL1881CS-T7 is a video sync separator IC (integrated circuit) used for extracting synchronization information from composite video signals.
Q2: What are the typical applications of EL1881CS-T7? A2: EL1881CS-T7 is commonly used in video processing systems, video surveillance systems, video game consoles, and other applications where accurate synchronization information is required.
Q3: How does EL1881CS-T7 extract sync information from composite video signals? A3: EL1881CS-T7 uses advanced algorithms to detect and separate horizontal and vertical sync pulses from the composite video signal.
Q4: What is the operating voltage range of EL1881CS-T7? A4: EL1881CS-T7 operates within a voltage range of 4.75V to 5.25V.
Q5: Can EL1881CS-T7 handle different video standards? A5: Yes, EL1881CS-T7 is designed to work with various video standards such as NTSC, PAL, and SECAM.
Q6: Does EL1881CS-T7 provide any output signals? A6: Yes, EL1881CS-T7 provides separate horizontal and vertical sync outputs, as well as a composite sync output.
Q7: What is the maximum frequency range supported by EL1881CS-T7? A7: EL1881CS-T7 can handle video signals with frequencies up to 20 MHz.
Q8: Is EL1881CS-T7 compatible with both analog and digital video systems? A8: Yes, EL1881CS-T7 can be used in both analog and digital video systems.
Q9: Can EL1881CS-T7 handle weak or noisy video signals? A9: Yes, EL1881CS-T7 is designed to work with weak or noisy video signals and provides reliable sync extraction.
Q10: What package does EL1881CS-T7 come in? A10: EL1881CS-T7 is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.
Please note that the answers provided here are general and may vary depending on specific application requirements.