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ADV3003ACPZ Folha de dados(PDF) 1 Page - Analog Devices |
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ADV3003ACPZ Folha de dados(HTML) 1 Page - Analog Devices |
1 / 16 page HDMI/DVI TMDS Equalizer ADV3003 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. 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 ©2008 Analog Devices, Inc. All rights reserved. FEATURES One input, one output HDMI/DVI high speed signal equalizer/driver Enables HDMI 1.3 receive-compliant input Four TMDS channels per input/output Supports 250 Mbps to 2.25 Gbps data rates Supports 25 MHz to 225 MHz pixel clocks Fully buffered unidirectional inputs/outputs Equalized inputs for operation with long HDMI cables (20 meters at 2.25 Gbps) Pre-emphasized outputs Matched 50 Ω input and output on-chip terminations Low added jitter Transmitter disable feature Reduces power dissipation Disables input terminations Single-supply operation (3.3 V) Standards compliant: HDMI receiver, DVI 40-lead, 6 mm × 6 mm, RoHS-compliant LFCSP APPLICATIONS Multiple input displays Advanced television set (HDTV) front panel connectors HDMI/DVI cable extenders FUNCTIONAL BLOCK DIAGRAM IP[3:0] IN[3:0] VTTI OP[3:0] AVEE VTTO AVCC ON[3:0] + – + – EQ BUFFER PE CONTROL LOGIC 4 4 4 4 HIGH SPEED BUFFERED PE_EN TX_EN PARALLEL CONTROL ADV3003 Figure 1. TYPICAL APPLICATION DIAGRAM MEDIA CENTER SET-TOP BOX DVD PLAYER HDTV SET 4:1 HDMI SWITCH ADV3003 HDMI RECEIVER FRONT PANEL CONNECTOR BACK PANEL CONNECTORS GAME CONSOLE Figure 2. GENERAL DESCRIPTION The ADV3003 is a 4-channel transition minimized differential signaling (TMDS) buffer featuring equalized inputs and pre-emphasized outputs. The ADV3003 features 50 Ω input and output terminations, providing full-swing output signal recovery and minimizing reflections for improved system signal integrity. The ADV3003 is targeted at HDMI™/DVI applications and is ideal for use in systems with long cable runs, long PCB traces, and designs with interior cabling. The ADV3003 is provided in a 40-lead, LFCSP, surface-mount, RoHS-compliant, plastic package and is specified to operate over the −40°C to +85°C temperature range. PRODUCT HIGHLIGHTS 1. Supports data rates up to 2.25 Gbps, enabling 1080p deep color (12-bit color) HDMI formats and greater than UXGA (1600 × 1200) DVI resolutions. 2. The 12 dB input cable equalizer enables the use of long cables at the input. For a typical 24 AWG cable, the ADV3003 compensates for more than 20 meters at data rates up to 2.25 Gbps. 3. The selectable 6 dB of output pre-emphasis allows the ADV3003 to drive high loss output cables or long PCB traces. 4. Matched 50 Ω on-chip input and output terminations improve system signal integrity. 5. An external control pin, PE_EN, sets the output pre-emphasis to either 0 dB or 6 dB. 6. An external control pin, TX_EN, simultaneously disables both the transmitter and the on-chip input terminations. This feature reduces the power dissipation of the ADV3003 and indicates to a connected source when the ADV3003 is disabled. |
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