MAX3800

19-1953; Rev 1; 11/01 3.2Gbps Adaptive Equalizer and Cable Driver General Description The MAX3800 is a +3.3V adaptive cable equalizer and cable driver implemented together on a single chip. It is designed for coaxial and twin-axial cable point-to-point communications applications. The driver features differential current-mode logic (CML) inputs and outputs as well as adjustable output amplitude. The equalizer includes differential CML data inputs and outputs, a loss-of-signal (LOS) output, and a cable integrity monitor (CIM) output. The adaptive cable equalizer is capable of equalizing differential or single-ended signals at data rates up to 3.2Gbps. It automatically adjusts to attenuation caused by skin-effect losses of up to 30dB at 1.6GHz. The equalizer effectively extends the usable length of copper cable in high-frequency interconnect applications. The MAX3800 is available in a 32-pin TQFP package with exposed pad and consumes only 200mW at +3.3V. The driver can be disconnected from the power supply when it is not needed, resulting in a 40% reduction in supply current. o Single +3.3V Operation o Typical Power Dissipation = 200mW at +3.3V o Data Rates Up to 3.2Gbps o Adjustable Cable Driver Output Amplitude o Equalizer Automatically Adjusts for Different Cable Lengths o 0dB to 30dB Equalization at 1.6GHz (3.2Gbps) o Loss-of-Signal (LOS) Indicator o Cable Integrity Monitor (CIM) o On-Chip Input and Output Terminations o Low External Component Count o Operating Temperature...