AD8191

www.DataSheet4U.com 4:1 HDMI/DVI Switch with Equalization AD8191 FEATURES Four inputs, one output HDMI™/DVI links 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 Multiple channel bundling modes 1x (4:1) HDMI/DVI link switch (default) 2x (8:1) TMDS channel and auxiliary signal switch 1x (16:1) TMDS channel and auxiliary signal switch Output disable feature Reduced power dissipation Removable output termination Allows building of larger arrays Two AD8191s support HDMI/DVI dual-link Standards compatible: HDMI receiver, DVI, HDCP 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 AD8191 CONTROL LOGIC AVCC DVCC AMUXVCC AVEE DVEE VTTO 3 CONFIG INTERFACE + IP_A[3:0] IN_A[3:0] – + IP_B[3:0] IN_B[3:0] – + IP_C[3:0] IN_C[3:0] – + IP_D[3:0] IN_D[3:0] – 4 4 4 4 4 4 4 4 4 4 SWITCH CORE EQ PE + OP[3:0] – ON[3:0] ...