TW2868-LA1-CR

Product Overview

• Category: Video Decoder
• Use: The TW2868-LA1-CR is a video decoder chip used for processing and decoding analog video signals.
• Characteristics: This chip is known for its high-performance video decoding capabilities, low power consumption, and compact size.
• Package: The TW2868-LA1-CR comes in a small form factor package, making it suitable for integration into various electronic devices.
• Essence: The essence of this product lies in its ability to convert analog video signals into digital format for further processing or display.
• Packaging/Quantity: The TW2868-LA1-CR is typically sold in reels or trays, with a quantity of 1000 units per reel.

Specifications

• Video Input: 8 channels of analog video signals (CVBS)
• Video Output: Digital video output (BT.656, BT.1120) and analog video output (CVBS)
• Audio Input: 4 channels of audio signals (analog or I2S)
• Audio Output: Digital audio output (I2S)
• Resolution Support: Up to D1 resolution (720x576 pixels)
• Operating Voltage: 3.3V
• Power Consumption: <500mW
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The TW2868-LA1-CR has the following pin configuration:

1. VDD33: Power supply (3.3V)
2. CVBS1: Analog video input channel 1
3. CVBS2: Analog video input channel 2
4. CVBS3: Analog video input channel 3
5. CVBS4: Analog video input channel 4
6. CVBS5: Analog video input channel 5
7. CVBS6: Analog video input channel 6
8. CVBS7: Analog video input channel 7
9. CVBS8: Analog video input channel 8
10. GND: Ground
11. BT656: Digital video output (BT.656)
12. BT1120: Digital video output (BT.1120)
13. CVBS_OUT: Analog video output
14. I2S1: Audio input/output channel 1
15. I2S2: Audio input/output channel 2
16. I2S3: Audio input/output channel 3
17. I2S4: Audio input/output channel 4
18. SDA: I2C data line
19. SCL: I2C clock line

Functional Features

• Video Decoding: The TW2868-LA1-CR can decode up to 8 channels of analog video signals simultaneously.
• Digital Output: It provides digital video output in both BT.656 and BT.1120 formats, allowing for easy integration with various display devices.
• Analog Output: The chip also offers analog video output for compatibility with legacy systems or devices.
• Audio Support: It supports audio input and output through the I2S interface, enabling synchronized audio playback with the video.
• Low Power Consumption: The TW2868-LA1-CR is designed to operate with low power consumption, making it suitable for battery-powered devices.
• Compact Size: Its small form factor package allows for space-efficient integration into electronic devices.

Advantages and Disadvantages

Advantages: - High-performance video decoding capabilities - Supports multiple video and audio channels - Compact size for easy integration - Low power consumption

Disadvantages: - Limited resolution support (up to D1 resolution) - Lack of support for higher video resolutions

Working Principles

The TW2868-LA1-CR works by receiving analog video signals from up to 8 channels and converting them into digital format using its built-in video decoder. The decoded video can then be output in either digital (BT.656, BT.1120) or analog (CVBS) format. Audio signals can also be input and output through the I2S interface, allowing for synchronized audio playback with the video.

Detailed Application Field Plans

The TW2868-LA1-CR is widely used in various applications that require analog video decoding, such as: - Surveillance systems - Video capture cards - Digital video recorders (DVRs) - Set-top boxes - Automotive rearview cameras

Alternative Models

Here are some alternative models that offer similar functionality to the TW2868-LA1-CR:

1. TW2869-LA1-CR
2. TW2870-LA1-CR
3. TW2871-LA1-CR
4. TW2872-LA1-CR