Overview
The DS90UB924-Q1 is a high-performance deserializer chip designed by Texas Instruments for use in automotive infotainment systems. It is part of the FPD-Link III family and works in conjunction with various serializer chips to distribute digital video and audio signals. This device converts a high-speed serialized interface with an embedded clock into multiple LVDS data/control streams, an LVDS clock pair (OpenLDI), and I2S audio data. It is qualified for automotive applications, adhering to the AEC-Q100 standard, and operates over a temperature range of -40°C to +105°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Temperature Range | -40 | - | 105 | °C |
| PCLK Frequency | 5 | - | 96 | MHz |
| VDD33 Voltage | 3.0 | 3.3 | 3.6 | V |
| VDDIO Voltage | 1.71 | 1.8/3.3 | 1.89/3.6 | V |
| Package Type | - | - | 48-WQFN | - |
| ESD Ratings (HBM) | - | - | ±8 kV | - |
| ESD Ratings (CDM) | - | - | C6 | - |
Key Features
- Bidirectional control channel interface with I2C-compatible serial control bus
- Supports high definition (720p) digital video and RGB888 + VS, HS, DE, and I2S audio
- Up to 4 I2S digital audio outputs for surround sound applications
- 4 bidirectional GPIO channels with 2 dedicated pins
- Single 3.3-V supply with 1.8-V or 3.3-V compatible LVCMOS I/O interface
- DC-balanced and scrambled data with embedded clock
- Adaptive cable equalization and internal pattern generation
- Backward compatible modes and low EMI OpenLDI video output
Applications
- Automotive touch screen displays
- Automotive navigation displays
- Automotive instrument clusters
Q & A
- What is the operating temperature range of the DS90UB924-Q1?
The operating temperature range is -40°C to +105°C.
- What is the supported pixel clock frequency range?
The supported pixel clock frequency range is 5 MHz to 96 MHz.
- What types of audio outputs does the DS90UB924-Q1 support?
The device supports up to 4 I2S digital audio outputs for surround sound applications.
- What is the package type of the DS90UB924-Q1?
The package type is 48-WQFN.
- What are the ESD ratings for the DS90UB924-Q1?
The ESD ratings are ±8 kV for HBM and C6 for CDM.
- Does the DS90UB924-Q1 support backward compatibility?
Yes, it supports backward compatible modes.
- How does the DS90UB924-Q1 minimize EMI?
It minimizes EMI through the use of low voltage differential signaling (LVDS).
- What is the purpose of the adaptive cable equalization feature?
The adaptive cable equalization feature provides compensation for transmission medium losses and deterministic jitter.
- Can the DS90UB924-Q1 be used in automotive infotainment systems?
Yes, it is specifically designed for use in automotive infotainment systems.
- What is the power supply requirement for the DS90UB924-Q1?
The device requires a single 3.3-V supply with 1.8-V or 3.3-V compatible LVCMOS I/O interface.
