TDA18253HN/C1,557

Series:	--
Packaging:	Tray
Part Status:	Obsolete
Type:	Silicon Tuner
Applications:	Set-Top Boxes
Mounting Type:	Surface Mount
Package / Case:	48-VFQFN Exposed Pad
Supplier Device Package:	48-HVQFN (7x7)
Base Part Number:	TDA18253

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IntroductionTDA18253HN/C1,557 is a high-performance, low power linear video processor with industry-leading features for video processing. It is specifically designed for applications such as digital signage, digital video conferencing, digital video cameras and other multimedia applications. The device contains a high-speed serial digital-to-analog converter with a gamma-adjusted quad-level video output stage. It can support up to 8-bit color depth and digital video formats such as MPEG-4, H.264, VC-1 and AVC Ultra. Furthermore, it supports various high-dynamics range (HDR) formats such as HDR10, Dolby Vision, and HLG (Hybrid Log-Gamma). This application note provides an overview of the TDA18253HN/C1,557 and its applications, as well as its working principle.ApplicationsThe TDA18253HN/C1,557 can be used for a wide range of applications, including digital signage, digital video conferencing, digital video cameras, and other multimedia applications. It is ideal for digital signage due to its ability to support high Dynamic Range (HDR) formats, such as HDR10 and Dolby Vision, which provide superior contrast and color accuracy. It is also suitable for digital video conferencing, as it supports 8-bit color depth and various digital video formats including MPEG-4, H.264 and AVC Ultra, which enable a better video conferencing experience. Additionally, the TDA18253HN/C1,557 can be used in digital video cameras to accurately capture and represent the real-world lighting conditions. With its advanced features and high-performance linear video processor, the TDA18253HN/C1,557 is a great choice for a variety of applications.Working PrincipleThe TDA18253HN/C1,557 is based on a linear video processing architecture, which uses advanced gamma correction and color space conversion techniques to improve the accuracy of the video signal and reduce noise. The device has an integrated low-pass filter, which is used to reduce blooming and enhance the video signal’s clarity and accuracy. Additionally, it is equipped with a dynamic range compression feature, which helps to enhance the video signal’s quality by reducing the dynamic range between the lightest and darkest parts of the image. Additionally, the TDA18253HN/C1,557 is capable of scaling and interpolating the incoming video signal to various resolutions and formats, and provides integrated color space conversion. All this is achieved without requiring any additional circuitry, allowing for a fast and efficient design.ConclusionThe TDA18253HN/C1,557 is an advanced and high-performance linear video processor that provides industry-leading features and a low-power solution for video processing. It is ideal for digital signage, digital video conferencing, digital video cameras, and other multimedia applications. The device has an integrated low-pass filter, dynamic range compression and scaling, and color space conversion capabilities to improve the video signal’s accuracy and quality. The TDA18253HN/C1,557 is the perfect choice for applications that need high-quality video performance.

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