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FULL DATA SHEET (PDF, 1.5MB) Download   E-Mail The MAX3935 is designed to drive an electro-absorption modulator (EAM) at data rates up to 10.7Gbps. It provides programmable output levels through externally adjustable bias and modulation currents. This EAM driver is fabricated with Maxim's in-house second-generation SiGe process. The MAX3935 accepts differential ECL or ground-referenced CML clock and data-input signals. Inputs are terminated with on-chip 50Ω resistors. An input-data retiming latch can be used to reject input-pattern-dependent jitter if a clock signal is available. The driver can modulate EAM devices at amplitudes up to 3.0VP-P when the device impedance is 50Ω. Typical (20% to 80%) edge speeds are 34ps. The output has an on-chip 75Ω resistor for back termination. The MAX3935 allows for an EAM bias voltage up to 1.2V. The MAX3935 also includes an adjustable pulse-width control circuit to precompensate for asymmetrical EAM characteristics.

Key Features		Applications/Uses
Single -5.2V Power Supply Low 110mA Supply Current 34ps Typical Rise/Fall Time Up to 10.7Gbps (NRZ) Operation On-Chip Termination Resistors Programmable Modulation Voltage Up to 3.0VP-P Programmable EAM Bias Voltage Up to 1.2V Adjustable Pulse-Width Control Selectable Data Retiming Latch Modulation Enable Control ESD Protection		Add/Drop Multiplexers DWDM Metro and Long-Haul Transmitters SONET OC-192 and SDH STM-64 Transmission Systems

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