Overview
The DS90UR241-Q1, produced by Texas Instruments, is a 5-43MHz DC-Balanced 24-Bit FPD-Link II Serializer designed for automotive applications. This chipset translates a 24-bit parallel bus into a fully transparent data/control FPD-Link II LVDS serial stream with embedded clock information. It is specifically tailored for driving graphical data to displays requiring 18-bit color depth, including RGB666 + HS, VS, DE, and three additional general-purpose data channels. By consolidating the parallel data and clock signals into a single serial stream, the DS90UR241-Q1 simplifies data transmission over PCB traces and cables, eliminating signal skew issues and reducing system costs by minimizing data path widths, PCB layers, cable dimensions, and connector pin configurations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | TQFP (PFB) | - |
| Pins | 48 | - |
| Operating Temperature Range | -40 to 105 | °C |
| Pixel Clock Range | 5MHz to 43MHz | - |
| Interface Compression | 24:1 | - |
| Cable Drive Capability | Up to 10 meters shielded twisted-pair cable | - |
| ESD Rating | ≥ ±8kV HBM | - |
| Power Supply Range | 3.3V ±10% | - |
Key Features
- Supports displays with 18-bit color depth (RGB666 + HS, VS, DE + three additional general-purpose data channels)
- Automotive-grade product, AEC-Q100 grade 2 qualified
- Embedded clock with DC balancing supports AC-coupled data transmission
- No reference clock required for the deserializer
- Hot plug support
- EMI reduction through spread spectrum input, data randomization, and shuffling on the serial link; adjustable PTO (Progressive Turnon) LVCMOS outputs
- @Speed BIST (Built-In Self-Test) to validate LVDS transmission path
- Individual power-down controls for both transmitter and receiver
- Data Input Encoding: Manchester Code; Transmission Mode: Asynchronous or Synchronous
Applications
- Automotive central information displays
- Automotive instrument cluster displays
- Automotive heads-up displays
- Remote camera-based driver assistance systems
Q & A
- Q: What is the DS90UR241-Q1 used for?
A: The DS90UR241-Q1 is used to translate a 24-bit parallel bus into a fully transparent data/control FPD-Link II LVDS serial stream with embedded clock information, primarily for automotive display applications.
- Q: What is the operating temperature range of the DS90UR241-Q1?
A: The operating temperature range is -40°C to 105°C.
- Q: What is the pixel clock range supported by the DS90UR241-Q1?
A: The pixel clock range is 5MHz to 43MHz.
- Q: Does the DS90UR241-Q1 require a reference clock for the deserializer?
A: No, the deserializer does not require a reference clock.
- Q: What is the ESD rating of the DS90UR241-Q1?
A: The ESD rating is greater than ±8kV HBM.
- Q: How does the DS90UR241-Q1 reduce EMI?
A: The DS90UR241-Q1 reduces EMI through spread spectrum input, data randomization, and shuffling on the serial link, and by optimizing the serializer output edge rate for the operating frequency range.
- Q: What is the power supply range for the DS90UR241-Q1?
A: The power supply range is 3.3V ±10%.
- Q: Does the DS90UR241-Q1 support hot plug functionality?
A: Yes, the DS90UR241-Q1 supports hot plug functionality.
- Q: What kind of cable can the DS90UR241-Q1 drive?
A: The DS90UR241-Q1 can drive up to 10 meters of shielded twisted-pair cable.
- Q: Does the DS90UR241-Q1 have built-in self-test capabilities?
A: Yes, the DS90UR241-Q1 features @Speed BIST (Built-In Self-Test) to validate the LVDS transmission path.
