MAX3841ETG+

The MAX3841ETG+ is a low power, 12.5Gbps CML 2 × 2 crosspoint switch in 24 pin TQFN package. The high speed serial data loopback, redundancy and switching applications. The MAX3841 current mode logic (CML) inputs and outputs have isolated VCC connections to enable DC coupled interfaces to 1.8V, 2.5V or 3.3V CML ICs. Fully differential signal paths and Maxim’s second generation SiGe technology provide optimum signal integrity, minimizing jitter, crosstalk and signal skew. The MAX3841 is ideal for serial OC-192 and 10GbE optical module, line card, switch fabric and similar applications. Unused outputs can be powered down individually to conserve power. In addition to functioning as 2 × 2 switch, the MAX3841 can be configured as 2:1 multiplexer, 1:2 buffer or dual 1:1 buffer. It is used in OC-192, 10GbE switch/line cards, OC-192, 10GbE optical modules, system redundancy/self test and lock fan-out.

• Supply voltage range from 3V to 3.6V
• Operating temperature range from -40°C to 85°C
• Up to 12.5Gbps operation
• Less than 10psP-P deterministic jitter and less than 0.7psRMS random jitter
• Independent output power-down
• 215mW power consumption (excluding termination currents)
• Core supply current of 65mA (excluding CML termination currents)
• Propagation delay of 100ps
• Channel to channel skew of 12ps and output duty cycle skew of 8ps
• 150mVP-P minimum differential input sensitivity and 500mVP-P nominal differential output swing

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