Overview
The DS90UH949TRGCRQ1 is a high-performance HDMI to FPD-Link III bridge serializer developed by Texas Instruments. This device is designed to serialize HDMI v1.4b inputs into high-speed serial streams over cost-effective coaxial or shielded twisted-pair cables. It supports video resolutions up to WUXGA (1920x1200) and 1080p60 with 24-bit color depth, making it suitable for various high-definition display applications. The device is AEC-Q100 qualified for automotive use and operates over a wide temperature range of -40°C to +105°C, ensuring reliability in harsh environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature Range | -40 to 105 | °C |
| Package Type | VQFN-64 | |
| Supply Voltage (VDD11) | 1.045 to 1.155 | V |
| Supply Voltage (VDD18) | 1.71 to 1.89 | V |
| Supply Voltage (VDDIO) | 1.71 to 1.89 | V |
| TMDS Clock Frequency | Up to 170 MHz | MHz |
| Color Depth | 24-bit | |
| Output Compatibility | FPD-Link III LVDS | |
| Signaling Rate | 400 Mbps | Mbps |
Key Features
- Supports TMDS clock up to 170 MHz for WUXGA and 1080p60 resolutions with 24-bit color depth.
- Single and dual FPD-Link III outputs.
- HDMI v1.4b inputs and HDMI-mode DisplayPort (DP++) inputs.
- Integrated HDCP v1.4 cipher engine with on-chip key storage.
- HDMI audio extraction for up to 8 channels.
- High-speed back channel supporting GPIO up to 2 Mbps.
- Supports up to 15 meters of cable with automatic temperature and aging compensation.
- Monitors spread-spectrum input clock to reduce EMI.
- I2C (master/slave) with 1-Mbps fast-mode plus and SPI pass-through interface.
- Backward-compatible with DS90UH926Q-Q1 and DS90UH928Q-Q1 FPD-Link III deserializers.
Applications
- Automotive infotainment systems: IVI head units, HMI modules, rear seat entertainment systems, and digital instrument clusters.
- Surveillance cameras.
- Consumer input HDMI ports.
Q & A
- What is the operating temperature range of the DS90UH949TRGCRQ1? The operating temperature range is -40°C to +105°C.
- What type of package does the DS90UH949TRGCRQ1 come in? It comes in a VQFN-64 package.
- What are the supported video resolutions? The device supports video resolutions up to WUXGA (1920x1200) and 1080p60 with 24-bit color depth.
- Does the DS90UH949TRGCRQ1 support HDCP? Yes, it has an integrated HDCP v1.4 cipher engine with on-chip key storage.
- What is the maximum TMDS clock frequency supported? The maximum TMDS clock frequency supported is up to 170 MHz.
- Can the device handle multi-channel audio? Yes, it supports HDMI audio extraction for up to 8 channels and also has an optional auxiliary audio interface.
- How does the device reduce EMI? The device minimizes EMI by using low-voltage differential signaling, data scrambling, and randomization.
- Is the device backward-compatible with other FPD-Link III deserializers? Yes, it is backward-compatible with DS90UH926Q-Q1 and DS90UH928Q-Q1 FPD-Link III deserializers.
- What is the signaling rate of the FPD-Link III interface? The signaling rate is up to 400 Mbps.
- What are some typical applications of the DS90UH949TRGCRQ1? Typical applications include automotive infotainment systems, surveillance cameras, and consumer input HDMI ports.
