DS90UH949TRGCRQ1

Product Overview

• Category: Integrated Circuit
• Use: High-speed serializer and deserializer (SerDes) for automotive applications
• Characteristics:
  • Supports high-speed data transmission over long distances
  • Designed for use in harsh automotive environments
  • Provides reliable and robust communication between electronic components
• Package: QFN (Quad Flat No-Lead)
• Essence: Enables the transmission of high-resolution video and audio signals in automotive systems
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements

Specifications

• Operating Voltage: 3.3V
• Data Rate: Up to 6 Gbps
• Number of Channels: 4
• Input/Output Interface: LVDS (Low-Voltage Differential Signaling)
• Operating Temperature Range: -40°C to +105°C
• ESD Protection: ±8kV HBM (Human Body Model)
• Power Dissipation: 400mW (typical)

Detailed Pin Configuration

The DS90UH949TRGCRQ1 has a total of 48 pins. The pin configuration is as follows:

1. VCC
2. GND
3. Channel 0 Data Input
4. Channel 0 Data Output
5. Channel 0 Clock Input
6. Channel 0 Clock Output
7. Channel 1 Data Input
8. Channel 1 Data Output
9. Channel 1 Clock Input
10. Channel 1 Clock Output
11. Channel 2 Data Input
12. Channel 2 Data Output
13. Channel 2 Clock Input
14. Channel 2 Clock Output
15. Channel 3 Data Input
16. Channel 3 Data Output
17. Channel 3 Clock Input
18. Channel 3 Clock Output 19-48. Reserved

Functional Features

• Supports high-speed serial data transmission up to 6 Gbps per channel
• Provides robust equalization and clock recovery for reliable signal reception
• Implements advanced error detection and correction mechanisms
• Supports HDCP (High-bandwidth Digital Content Protection) for secure content transmission
• Offers programmable pre-emphasis and de-emphasis settings for signal optimization
• Enables bidirectional communication between transmitter and receiver

Advantages and Disadvantages

Advantages

• High-speed data transmission capability
• Robust performance in harsh automotive environments
• Reliable communication between electronic components
• Secure content transmission with HDCP support
• Flexible signal optimization through programmable settings

Disadvantages

• Limited number of channels (4)
• Relatively high power dissipation compared to some alternatives

Working Principles

The DS90UH949TRGCRQ1 is a high-speed serializer and deserializer designed specifically for automotive applications. It utilizes LVDS technology to transmit and receive high-resolution video and audio signals over long distances. The device employs advanced equalization and clock recovery techniques to ensure reliable signal reception, even in noisy environments. It also incorporates error detection and correction mechanisms to maintain data integrity. The DS90UH949TRGCRQ1 operates at a voltage of 3.3V and supports data rates up to 6 Gbps per channel.

Detailed Application Field Plans

The DS90UH949TRGCRQ1 finds extensive application in the automotive industry, particularly in systems requiring high-quality video and audio transmission. Some key application areas include:

1. Infotainment Systems: Enables the delivery of high-resolution video content to in-car displays, providing an enhanced multimedia experience for passengers.
2. Rearview Cameras: Facilitates the transmission of high-definition video signals from rearview cameras to the vehicle's central display, improving driver visibility and safety.
3. Advanced Driver Assistance Systems (ADAS): Supports the transfer of video data from various sensors, such as cameras and LiDAR, to ADAS control units for real-time analysis and decision-making.
4. In-Vehicle Networks: Integrates with automotive network protocols, such as CAN (Controller Area Network) or Ethernet, to enable high-speed data communication between different electronic modules within the vehicle.

Detailed and Complete Alternative Models

1. DS90UH948Q-Q1: Similar to DS90UH949TRGCRQ1, but with 3 channels instead of 4.
2. DS90UH947Q-Q1: A lower-cost alternative with 2 channels, suitable for applications with fewer video streams.
3. DS90UB913A-Q1: A companion deserializer IC that pairs well with DS90UH949TRGCRQ1, providing a complete SerDes solution for automotive video transmission.

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