Overview
The DS90UB948TNKDRQ1 is a FPD-Link III deserializer produced by Texas Instruments. This component is designed to convert 1-lane or 2-lane FPD-Link III streams into a FPD-Link (OpenLDI) interface, making it a crucial bridge between HDMI-enabled sources, such as GPUs, and existing LVDS displays or application processors. It operates in conjunction with the DS90UB949A/949/947-Q1 serializers and supports video resolutions up to 2K (2048x1080) with 24-bit color depth.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | DS90UB948TNKDRQ1 |
| Package Type | WQFN-64 |
| Operating Temperature Range (°C) | -40 to 105 |
| Pixel Clock Frequency | Up to 192 MHz |
| Color Depth | Configurable 18-Bit RGB or 24-bit RGB |
| Interface | 1-Lane or 2-lane FPD-Link III with de-skew capability |
| Cable Support | 50-Ω single-ended coaxial or 100-Ω differential shielded twisted-pair (STP) cables |
| GPIOs | Four high-speed GPIOs (up to 2 Mbps each) |
| Control Interfaces | SPI up to 3.3 Mbps, I2C (Controller/Target) with 1-Mbps fast-mode plus |
Key Features
- Qualified for automotive applications and AEC-Q100 certified with a temperature grade 2: –40°C to +105°C ambient operating temperature.
- Supports pixel clock frequency up to 192 MHz for up to 2K (2048x1080) resolutions with 24-bit color depth.
- Single or dual OpenLDI (LVDS) transmitter with configurable 18-Bit RGB or 24-bit RGB color depth.
- Adaptive receive equalization compensates for channel insertion loss of up to –15.5 dB at 1.48 GHz and -9 dB at 1.68 GHz.
- Provides automatic temperature and cable aging compensation.
- Includes SPI control interfaces up to 3.3 Mbps and I2C (Controller/Target) with 1-Mbps fast-mode plus.
- Image enhancement features such as white balance and dithering.
- Supports 7.1 multiple I2S (4 data) channels.
- Functional Safety-Capable with documentation available to aid ISO 26262 system design.
Applications
The DS90UB948TNKDRQ1 is primarily used in automotive and industrial applications where high-speed video transmission over long distances is required. It is particularly useful in systems that need to connect HDMI-enabled sources to existing LVDS displays or application processors. This includes:
- Automotive infotainment and display systems.
- Industrial control and monitoring systems.
- Medical imaging and diagnostic equipment.
- High-resolution display systems in various industries.
Q & A
- What is the DS90UB948TNKDRQ1 used for?
The DS90UB948TNKDRQ1 is a FPD-Link III deserializer used to convert FPD-Link III streams into a FPD-Link (OpenLDI) interface, enabling high-speed video transmission between HDMI sources and LVDS displays.
- What are the operating temperature ranges for the DS90UB948TNKDRQ1?
The operating temperature range for the DS90UB948TNKDRQ1 is –40°C to +105°C.
- What is the maximum pixel clock frequency supported by the DS90UB948TNKDRQ1?
The DS90UB948TNKDRQ1 supports pixel clock frequencies up to 192 MHz.
- What types of cables does the DS90UB948TNKDRQ1 support?
The component supports 50-Ω single-ended coaxial or 100-Ω differential shielded twisted-pair (STP) cables.
- Does the DS90UB948TNKDRQ1 have any image enhancement features?
Yes, it includes image enhancement features such as white balance and dithering.
- Is the DS90UB948TNKDRQ1 qualified for automotive applications?
Yes, it is qualified for automotive applications and is AEC-Q100 certified.
- What control interfaces are available on the DS90UB948TNKDRQ1?
The component includes SPI control interfaces up to 3.3 Mbps and I2C (Controller/Target) with 1-Mbps fast-mode plus.
- Does the DS90UB948TNKDRQ1 support multiple I2S channels?
Yes, it supports 7.1 multiple I2S (4 data) channels.
- Is the DS90UB948TNKDRQ1 functional safety-capable?
Yes, it is functional safety-capable with documentation available to aid ISO 26262 system design.
- What is the package type of the DS90UB948TNKDRQ1?
The package type is WQFN-64.
