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SY88345BL
3.3V, 3.2Gbps CML Low-Power Limiting Post Amplifier w/ High-Gain TTL Signal Detect
General Description
Features
• Single 3.3V power supply The SY88345BL high-sensitivity limiting post amplifier is designed for use in fiber-optic receivers. The device • 155Mbps to 3.2Gbps operation connects to typical transimpedance amplifiers (TIAs). • Low-noise CML data outputs The linear signal output from TIAs can contain • Chatter-free Open-Collector TTL signal detect (SD) significant amounts of noise and may vary in amplitude output with internal 4.75kΩ pull-up resistor over time. The SY88345BL quantizes these signals and • TTL EN input outputs CML-level waveforms. • Internal 50Ω input termination The SY88345BL operates from a single +3.