
Maxim Integrated
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