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AD8190 Datasheet(PDF) 1 Page - Analog Devices |
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AD8190 Datasheet(HTML) 1 Page - Analog Devices |
1 / 24 page 2:1 HDMI/DVI Switch with Equalization AD8190 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other 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 ©2006 Analog Devices, Inc. All rights reserved. FEATURES Two inputs, one output HDMI/DVI links Enables HDMI 1.2a-compliant receiver Four TMDS channels per link Supports 250 Mbps to 1.65 Gbps data rates Supports 25 MHz to 165 MHz pixel clocks Equalized inputs for operation with long HDMI cables (20 meters at 1080p) Fully buffered unidirectional inputs/outputs Globally switchable 50 Ω on-chip terminations Pre-emphasized outputs Low added jitter Single-supply operation (3.3 V) Four auxiliary channels per link Bidirectional unbuffered inputs/outputs Flexible supply operation (3.3 V to 5 V) HDCP standard compatible Allows switching of DDC bus and two additional signals Output disable feature Reduced power dissipation Output termination removal Two AD8190s support HDMI/DVI dual-link Standards compliant: HDMI receiver, HDCP, DVI Serial (I2C slave) control interface 56-lead, 8 mm x 8 mm, LFCSP, Pb-free package APPLICATIONS Multiple input displays Projectors A/V receivers Set-top boxes Advanced television (HDTV) sets FUNCTIONAL BLOCK DIAGRAM LOW SPEED UNBUFFERED AVCC DVCC AMUXVCC AVEE DVEE VTTO OP[3:0] AUX_COM[3:0] I2C_SDA I2C_SCL I2C_ADDR ON[3:0] + – 4 4 4 4 4 AD8190 RESET CONTROL LOGIC CONFIG INTERFACE SERIAL INTERFACE VTTI IP_A[3:0] IN_A[3:0] + – 4 4 VTTI IP_B[3:0] IN_B[3:0] + – 4 4 PE EQ SWITCH CORE AUX_A[3:0] AUX_B[3:0] BIDIRECTIONAL HIGH SPEED BUFFERED SWITCH CORE Figure 1. TYPICAL APPLICATION 01:18 DVD DVD PLAYER SET-TOP BOX HDTV SET HDMI RECEIVER AD8190 Figure 2. Typical AD8190 Application for HDTV Sets GENERAL DESCRIPTION The AD8190 is an HDMI/DVI switch featuring equalized TMDS inputs and pre-emphasized TMDS outputs, ideal for systems with long cable runs. Outputs can be set to a high impedance state to reduce the power dissipation and/or allow the construction of larger arrays using the wire-OR technique. The AD8190 is provided in a space saving, 56-lead, LFCSP, surface-mount, Pb-free, plastic package and is specified to operate over the −40°C to +85°C temperature range. PRODUCT HIGHLIGHTS 1. Supports data rates up to 1.65 Gbps, enabling UXGA (1600 × 1200) DVI resolutions and 1080p HDMI formats. 2. Input cable equalizer enables use of long cables at the input (more than 20 meters of 24 AWG cable at 1080p). 3. Auxiliary switch allows routing of the DDC bus and two additional single-ended signals for a single chip, fully HDMI 1.2a receive-compliant solution. |
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