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AD8197A Dataheets PDF



Part Number AD8197A
Manufacturers Analog Devices
Logo Analog Devices
Description 4:1 HDMI/DVI Switch
Datasheet AD8197A DatasheetAD8197A Datasheet (PDF)

4:1 HDMI/DVI Switch with Equalization AD8197A FEATURES 4 inputs, 1 output HDMI/DVI link Enables HDMI 1.3-compliant receiver Pin-to-pin compatible with the AD8191A 4 TMDS channels per link Supports 250 Mbps to 2.25 Gbps data rates Supports 25 MHz to 225 MHz pixel clocks Equalized inputs for operation with long HDMI cables www.DataSheet4U.com (20 meters at 2.25 Gbps) Fully buffered unidirectional inputs/outputs Globally switchable, 50 Ω on-chip terminations Pre-emphasized outputs Low added jitter .

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4:1 HDMI/DVI Switch with Equalization AD8197A FEATURES 4 inputs, 1 output HDMI/DVI link Enables HDMI 1.3-compliant receiver Pin-to-pin compatible with the AD8191A 4 TMDS channels per link Supports 250 Mbps to 2.25 Gbps data rates Supports 25 MHz to 225 MHz pixel clocks Equalized inputs for operation with long HDMI cables www.DataSheet4U.com (20 meters at 2.25 Gbps) Fully buffered unidirectional inputs/outputs Globally switchable, 50 Ω on-chip terminations Pre-emphasized outputs Low added jitter Single-supply operation (3.3 V) 4 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 2 additional signals Output disable feature Reduced power dissipation Removable output termination Allows building of larger arrays 2 AD8197A devices support HDMI/DVI dual-link Standards compatible: HDMI receiver, HDCP, DVI Serial (I2C slave) and parallel control interface 100-lead, 14 mm × 14 mm LQFP, Pb-free package FUNCTIONAL BLOCK DIAGRAM PP_CH[1:0] PP_OTO PP_OCL PP_EQ PP_EN PP_PRE[1:0] RESET PARALLEL SERIAL I2C_SDA I2C_SCL I2C_ADDR[2:0] VTTI 2 2 AD8197A CONTROL LOGIC AVCC DVCC AMUXVCC AVEE DVEE VTTO 3 CONFIG INTERFACE + IP_A[3:0] IN_A[3:0] – + IP_B[3:0] 4 4 4 4 4 4 4 4 4 4 IN_B[3:0] – + IP_C[3:0] IN_C[3:0] – + IP_D[3:0] IN_D[3:0] – SWITCH CORE EQ PE + OP[3:0] – ON[3:0] HIGH SPEED VTTI AUX_A[3:0] AUX_B[3:0] AUX_C[3:0] AUX_D[3:0] BUFFERED 4 4 4 4 SWITCH CORE LOW SPEED UNBUFFERED 4 AUX_COM[3:0] BIDIRECTIONAL Figure 1. TYPICAL APPLICATION MEDIA CENTER HDTV SET HDMI RECEIVER SET-TOP BOX DVD PLAYER 04:20 GAME CONSOLE APPLICATIONS Multiple input displays Projectors A/V receivers Set-top boxes Advanced television (HDTV) sets Figure 2. Typical HDTV Application GENERAL DESCRIPTION The AD8197A 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 to allow the construction of larger arrays using the wire-OR technique. The AD8197A is provided in a 100-lead LQFP, Pb-free, surfacemount package, 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. Input cable equalizer enables use of long cables at the input (more than 20 meters of 24 AWG cable at 2.25 Gbps). Auxiliary switch routes a DDC bus and two additional signals for a single-chip, HDMI 1.3 receive-compliant solution. 2. 3. 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 implic.


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