TZA3019

INTEGRATED CIRCUITS DATA SHEET TZA3019 2.5 Gbits/s dual postamplifier with level detectors and 2 × 2 switch Preliminary specification File under Integrated Circuits, IC19 2000 Apr 10 Philips Semiconductors Preliminary specification 2.5 Gbits/s dual postamplifier with level detectors and 2 × 2 switch FEATURES Dual postamplifier Single 3.3 V power supply Wideband operation from 50 kHz to 2.5 GHz (typical value) Fully differential Channels are delay matched On-chip DC-offset compensations without external capacitor Interfacing with positive or negative supplied logic Switching possibility between channels Positive Emitter Coupled Logic (PECL) or Current-Mode Logic (CML) compatible data outputs adjustable from 200 to 800 mV (p-p) single-ended Power-down capability for unused outputs and detectors Rise and fall times 80 ps (typical value) Possibility to invert the output of each channel separately Input level-detection circuits for Received Signal Strength Indicator (RSSI) or Loss Of Signal (LOS) detection, programmable from 0.4 to 400 mV (p-p) single-ended, with open-drain comparator output for direct interfacing with positive or negative logic Reference voltage for output level and LOS adjustment Automatic strongest input signal switch possibility (TZA3019 version B) HTQFP32 or HBCC32 plastic package with exposed pad. APPLICATIONS TZA3019 Postamplifier for Synchronous Digital Hierarchy and Synchronous Optical Network (SDH/SONET) transponder ...