CH7053A

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特征


  • DVI Transmitter support up to 1080p

  • DVI hot plug detection

  • Supports Component YPrPb (HDTV) up to 1080p and analog RGB (VGA) monitor up to 1920x1080 resolution

  • Supports DVI and VGA/HDTV output simultaneously

  • Three 10-bit high speed DACs

  • SPDIF audio interface supports either 16-bit or 20-bit stereo data for up to 192kHz/2ch

  • Support 2 channel I2S digital audio input for up to 24-bit data stream (32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHzand 192kHz)

  • TV/Monitor connection detect capability. DACs can be switched off through programming internal registers

  • Pixel-level color enhancement for brightness, contrast, hue and saturation adjustment for HDTV output

  • Supports 8/12/16/18/24-bit parallel interface input for either RGB format (RGB-565, RGB-666 or RGB-888 and etc.) or YCrCb format (ITU-R 656 or ITU-R 601). 80/86 MPU interface and DE only mode are also supported.

  • Pixel clock input frequency support for up to 165MHz

  • IO Supply Voltages from 1.2V to 3.3V and SPC/SPD Supply Voltages from 1.8V to 3.3V.

  • Programmable power management

  • Device fully programmable through serial port

  • Offered in a 88-pin QFN package

描述

The Chrontel CH7053A is specifically designed for consumer electronics device and PC markets which multiple high definition content display formats are required. With its advanced video encoder, flexible scaling engine and easy-to-configure audio interface, the CH7053A satisfies manufactures’ products display requirements and reduce their costs of development and time-to-market.

High quality high-bandwidth uncompressed video like DVI and YPrPb components or legacy VGA analog display are supported by the device’s color format converter. The 3 high-performance, 10-bit DACs can be used for either HDTV display or VGA output depending on manufactures’ products specification. The device is compliant with EIA770-3 and SMPTE 274M/293M/296M standards and supports HDTV resolution for up to 1080p. The CH7053A has the ability to generate composite syncs if required by the RGB monitor.

The CH7053A’s 24-bit parallel bus accepts a wide range of input data formats from the graphic controller. The built-in video port supports 8/12/16/18/24-bit data interface as well as 80/86 MPU interface. The video format conversion module is capable of translating digital RGB-565, RGB-666, RGB-888 or YCrCb (ITU-R 656, ITU-R 601) signal to the DVI signal, combining with the audio stream. The input digital signal also can be transformed by the DACs for HDTV or VGA analog outputs.

The CH7053A supports both SPDIF and 2-channel I²S digital audio input. Its high fidelity audio decoder engine has the capability of sampling audio frequency for up to 192k/2ch. The SPIDF supports PCM encoded data and compressed audio including Dolby Digital and DTS.

The CH7053A has an image enhancement function that can fine tune brightness, contrast, hue and saturation down to the pixel-level.

结构图

应用说明

PCB Layout and Design Guide for CH7053A, AN-B039

  Refer to the AN-B037 for industrial products in detail

技术报告

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规格

Input Interface  TTL/Digital RGB, TTL/YCbCr, TTL/BT1120

Output Interface  HDMI, DVI, VGA, YPbPr

Audio Interface  IIS, SPDIF Input

Other features   No

Package Type  QFN88

订单信息

Part Number Package Type Operating Temperature Range Minimum Order Quantity

CH7053A-BF  88 QFN, Lead-freeCommercial : -20 to 70°C168/Tray

CH7053A-BFI  88 QFN, Lead-freeIndustrial : -40 to 85°C168/Tray

视频

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昆泰集成电路(上海)有限公司是美国Chrontel,Inc.在上海的全资子公司。Chrontel成立于1986年,是一家从事混合信号集成电路研发与生产的公司,总部位于美国硅谷圣何西,并于世界各地拥有多家子公司和办事机构。我们的产品包括电视解码器,电视编码器,DVI/LVDS/HDMI编码器,数字电视解调器,图像和音频处理,显示...

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