Overview
The DS90UB940NTNKDRQ1 is a high-performance FPD-Link III deserializer produced by Texas Instruments, designed specifically for automotive applications. This integrated circuit (IC) is part of the Automotive, AEC-Q100 series, ensuring reliability and robustness for use in harsh automotive environments. It serves as a critical component in converting FPD-Link III serial streams into MIPI CSI-2 format, enabling high-speed data transmission for video and audio applications. With its advanced features and automotive-grade certification, the DS90UB940NTNKDRQ1 is ideal for modern automotive infotainment and Advanced Driver Assistance Systems (ADAS).
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Data Rate | 3.36 | Gbps | |
| Input Type | FPD-Link III, LVDS | ||
| Output Type | CSI-2, MIPI | ||
| Number of Inputs | 2 | ||
| Number of Outputs | 4 | ||
| Supply Voltage | 1.71 - 1.89, 3 - 3.6 | V | Dual supply range |
| Operating Temperature | -40 to 105 | °C | |
| Package | 64-WFQFN | Exposed Pad | |
| Mounting Type | Surface Mount | ||
| Series | Automotive, AEC-Q100 |
Key Features
- Supports FPD-Link III to MIPI CSI-2 conversion for high-speed video and audio transmission.
- Capable of handling up to WUXGA and 1080p60 video resolutions with 24-bit color depth.
- Integrated clock calibration and de-skewing for robust performance in automotive environments.
- Low EMI design through low-voltage differential signaling, data scrambling, and randomization.
- Backward compatibility with WXGA and 720p resolutions on a single differential link.
Applications
The DS90UB940NTNKDRQ1 is widely used in automotive applications, including infotainment systems (central information displays, rear-seat entertainment systems, digital instrument clusters) and ADAS camera systems. Its ability to transmit high-resolution video and audio over cost-effective 50Ω single-ended coaxial or 100Ω differential shielded twisted-pair (STP) cables makes it a preferred choice for modern automotive designs.
Q & A
1. What is the primary function of the DS90UB940NTNKDRQ1?
The DS90UB940NTNKDRQ1 is a deserializer that converts FPD-Link III serial streams into MIPI CSI-2 format for video and audio transmission.
2. What is the maximum data rate supported by this device?
The device supports a maximum data rate of 3.36 Gbps.
3. Is the DS90UB940NTNKDRQ1 suitable for automotive applications?
Yes, it is part of the Automotive, AEC-Q100 series, making it ideal for automotive environments.
4. What video resolutions does this device support?
It supports resolutions up to WUXGA and 1080p60 with 24-bit color depth.
5. What are the input and output types of this device?
The input type is FPD-Link III and LVDS, while the output type is CSI-2 and MIPI.
6. What is the operating temperature range of the DS90UB940NTNKDRQ1?
It operates within a temperature range of -40°C to 105°C.
7. Does this device support backward compatibility?
Yes, it supports backward compatibility with WXGA and 720p resolutions on a single differential link.
8. What is the package type of the DS90UB940NTNKDRQ1?
It comes in a 64-WFQFN package with an exposed pad.
9. How does this device minimize electromagnetic interference (EMI)?
It uses low-voltage differential signaling, data scrambling, and randomization to reduce EMI.
10. What are the typical applications of this device?
Typical applications include automotive infotainment systems and ADAS camera systems.
