General Description

The MAX3814 TMDS™ EQ/driver IC compensates for FR-4 and cable losses up to the DVI™/HDMI® transmit connector and provides a fully compliant DVI/HDMI TMDS output. The device can also be used in DVI/HDMI cable applications to extend reach and improve jitter margin of cable channels at the receive-side connector.

Features

♦ Equalizes FR-4 Board Microstrip and Cable HF

   Losses Up to 15dB at 825MHz for Operation at

   0.25Gbps to 1.65Gbps

♦ Compatible with HDMI 1.3

♦ Less Than 0.2UIP-P Residual Jitter at 1.65Gbps for

   0 to 15dB Channel Loss at 825MHz

♦ Input Terminations: 50Ω (Each Side to VCC) ±10

♦ Output of Driver is a Fully DVI/HDMI TMDSCompatible Cable Driver

♦ Output Amplitude: 1.05VP-P Differential

♦ Enable Pin to Select Normal Operation or PowerDown Mode

♦ LEVEL Pin to Select Output Current for Use With

   or Without Back Termination

♦ 32-Pin TQFP for Four Channels; Any Channel Can

   Be Either a TMDS Data or Clock Signal

♦ VCC = 3.3V; Signal Pins Have Absolute Max

   Ratings of 5.5V (for Fault Conditions)

Applications

   Laptop PC TMDS Equalizer and Driver

   Docking Station TMDS Equalizer and Driver

   Cable TMDS Equalizer