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Name: DS90UB948TNKDTQ1
Brand: Texas Instruments
SKU: DS90UB948TNKDTQ1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments DS90UB948TNKDTQ1

Part No.:: DS90UB948TNKDTQ1

Manufacturer:: Texas Instruments

Package:: 64-WFQFN Exposed Pad

Datasheet:: DS90UB948TNKDTQ1.pdf

Description:: IC SER/DESER 25-170 MHZ FPD 64WQ

In Stock:: 2430

Quantity:: Add To Cart

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DS90UB948TNKDTQ1 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q100
ProductStatus:
Active
Function:
Deserializer
DataRate:
3.36Gbps
InputType:
FPD-Link III, LVDS
OutputType:
LVDS
NumberofInputs:
2
NumberofOutputs:
8
Voltage-Supply:
1.71V ~ 1.89V, 3V ~ 3.6V
OperatingTemperature:
-40°C ~ 105°C (TA)
MountingType:
Surface Mount

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DS90UB948TNKDTQ1 information

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DS90UB948TNKDTQ1 Typical application Circuitry

DS90UB948TNKDTQ1

The DS90UB948TNKDTQ1 is a cutting-edge deserializer chip that is part of Texas Instruments' FPD-Link III series, specifically designed to facilitate advanced automotive video applications. This device excels at converting a high-speed serialized video data stream back into parallel data, enabling the connection of high-resolution displays within vehicles. Its primary application scenarios include automotive infotainment systems, rear-seat entertainment, and advanced driver assistance systems (ADAS) where high-definition video transmission is crucial.

Key Features and Specifications:

- High-Definition Video Support: The DS90UB948TNKDTQ1 supports high-definition video, capable of handling resolutions up to 1080p at 60 Hz, making it ideal for demanding video applications.

- FPD-Link III Interface: Utilizes the robust FPD-Link III interface, ensuring reliable high-speed data transmission over a single differential pair with embedded clock, significantly reducing cabling requirements and simplifying system design.

- Automatic Data Recovery and Error Checking: Features built-in mechanisms for data recovery and error checking, enhancing the reliability of video transmission in the variable operating environments of automotive applications.

- Adaptive Equalization: Includes adaptive equalization to compensate for cable length and quality, ensuring optimal signal integrity across varying distances.

Application Scenario: Rear-Seat Entertainment System

In a rear-seat entertainment system, the DS90UB948TNKDTQ1 deserializer is pivotal in decoding video data transmitted from the front of the vehicle to the display screens located in the rear. This setup enriches passenger experience by providing high-quality video content, making long journeys more enjoyable.

Circuit Design Methodology:

1. DS90UB948TNKDTQ1 Connection (Deserializer Setup): Integrate the DS90UB948TNKDTQ1's high-speed serialized input (HSIN) pins with the output from a compatible serializer device. This connection is fundamental for receiving the serialized video data to be deserialized.

2. Power Supply Configuration (VDD, GND Pins): Ensure a stable power supply to the VDD and GND pins of the DS90UB948TNKDTQ1, employing decoupling capacitors near these pins to filter out noise and guarantee smooth operation of the deserializer.

3. Video Output Interface (Parallel Output Pins): Connect the parallel video output pins of the DS90UB948TNKDTQ1 to the video input interface of the rear-seat display. This interface is key for delivering high-quality video to passengers.

4. Control and Configuration:

- I2C Interface (SDA, SCL Pins): Implement an I2C interface by connecting the SDA (Serial Data) and SCL (Serial Clock) pins to the vehicle's central control unit. This connection allows for dynamic configuration of the DS90UB948TNKDTQ1, adjusting settings such as resolution and frame rate to match video content.

5. Clock Synchronization:

- External Clock Source (CLKIN Pin): An external clock source connected to the CLKIN pin is necessary to synchronize the deserialized data output with the display's refresh rate, ensuring smooth video playback.

Design Considerations:

- Signal Integrity: Priority must be given to maintaining the integrity of the high-speed serialized signal. This involves using shielded twisted pair cables and ensuring proper termination to minimize reflections and crosstalk.

- Power Supply Noise: Attention should be directed towards minimizing noise in the power supply lines to the DS90UB948TNKDTQ1, as fluctuations can impair the chip's performance and the quality of the video output.

- Thermal Management: Given the DS90UB948TNKDTQ1's application within the confined spaces of a vehicle, it is crucial to manage its thermal footprint effectively to prevent overheating and ensure reliable operation over a wide range of temperatures.

- EMI Considerations: Automotive environments are fraught with electromagnetic interference. Designing with EMI mitigation in mind, such as using appropriate filtering and shielding techniques, is essential for the reliable operation of the DS90UB948TNKDTQ1.

- Cable Quality and Length: The quality and length of the cables used for connecting the serializer and deserializer play a critical role in the system's overall performance. Ensuring that the cables meet the specifications necessary for optimal signal integrity is key.

Incorporating the DS90UB948TNKDTQ1 into a rear-seat entertainment system exemplifies its utility in enhancing the in-vehicle experience by delivering high-definition video content. This approach underscores the DS90UB948TNKDTQ1's capability to simplify automotive video system design through its advanced deserialization features, robust error handling, and adaptive equalization, thereby ensuring a superior visual experience for passengers.

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6. What is the process for return or replacement of DS90UB948TNKDTQ1?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DS90UB948TNKDTQ1.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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