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AD9880KSTZ-150 데이터시트(PDF) 1 Page - Analog Devices |
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AD9880KSTZ-150 데이터시트(HTML) 1 Page - Analog Devices |
1 / 64 page Analog/HDMI Dual Display Interface AD9880 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 © 2005 Analog Devices, Inc. All rights reserved. FEATURES Analog/HDMI dual interface Supports high bandwidth digital content protection RGB-to-YCbCr 2-way color conversion Automated clamping level adjustment 1.8 V/3.3 V power supply 100-lead LQFP Pb-free package RGB and YCbCr output formats Analog interface 8-bit triple ADC 100 MSPS maximum conversion rate Macrovision® detection 2:1 input mux Full sync processing Sync detect for hot plugging Midscale clamping Digital video interface HDMI v 1.1, DVI v 1.0 150 MHz HDMI receiver Supports high bandwidth digital content protection (HDCP 1.1) Digital audio interface HDMI 1.1-compatible audio interface S/PDIF (IEC90658-compatible) digital audio output Multichannel I2S audio output (up to 8 channels) APPLICATIONS Advanced TV HDTV Projectors LCD monitor GENERAL DESCRIPTION The AD9880 offers designers the flexibility of an analog interface and high definition multimedia interface (HDMI) receiver inte- grated on a single chip. Also included is support for high band- width digital content protection (HDCP). Analog Interface The AD9880 is a complete 8-bit 150 MSPS monolithic analog inter- face optimized for capturing component video (YPbPr) and RGB graphics signals. Its 150 MSPS encode rate capability and full power analog bandwidth of 330 MHz supports all HDTV formats (up to 1080 p) and FPD resolutions up to SXGA (1280 × 1024 @ 75 Hz). The analog interface includes a 150 MHz triple ADC with internal 1.25 V reference, a phase-locked loop (PLL), and programmable gain, offset, and clamp control. The user provides only 1.8 V and 3.3 V power supplies, analog input, and Hsync. Three-state FUNCTIONAL BLOCK DIAGRAM DATACK DE VSYNC SYNC PROCESSING AND CLOCK GENERATION DATACK 2 REF HSOUT VSOUT SOGOUT HDMI RECEIVER DIGITAL INTERFACE REFOUT REFIN CLAMP A/D 2:1 MUX 2:1 MUX 2:1 MUX 2:1 MUX SPDIF OUT 8-CHANNEL I2SOUT 2 MCLK LRCLK HDCP 2 DATACK HSOUT VSOUT SOGOUT DE R/G/B 8X3 OR YCbCr R/G/B 8X3 or YCbCr YCbCr (4:2:2 OR 4:4:4) AD9880 R/G/B OR YPbPrIN0 R/G/B OR YPbPrIN1 HSYNC 0 HSYNC 1 HSYNC 0 HSYNC 1 SOGIN 0 SOGIN 1 COAST CKINV CKEXT FILT SCL SDA RX1+ RX1– RX2+ RX2– RXC+ RXC– RTERM MCL MDA DDCSCL DDCSDA RX0+ RX0– HSYNC R/G/B 8X3 SERIAL REGISTER AND POWER MANAGEMENT ANALOG INTERFACE SCLK 4 Figure 1. CMOS outputs can be powered from 1.8 V to 3.3 V. The AD9880’s on-chip PLL generates a pixel clock from Hsync. Pixel clock output frequencies range from 12 MHz to 150 MHz. PLL clock jitter is typically less than 700 ps p-p at 150 MHz. The AD9880 also offers full sync processing for composite sync and sync-on-green (SOG) applications. Digital Interface The AD9880 contains a HDMI 1.1-compatible receiver and sup- ports all HDTV formats (up to 1080 p and 720 p) and display resolutions up to SXGA (1280 × 1024 @75 Hz). The receiver features an intrapair skew tolerance of up to one full clock cycle. With the inclusion of HDCP, displays can now receive encrypted video content. The AD9880 allows for authentication of a video receiver, decryption of encoded data at the receiver, and renewa- bility of the authentication during transmission, as specified by the HDCP v 1.1 protocol. Fabricated in an advanced CMOS process, the AD9880 is provided in a space-saving, 100-lead LQFP surface-mount Pb-free plastic package and is specified over the 0°C to 70°C temperature range. |
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