Description
The growing use of the Internet has created increasingly higher demand for multi-Gb/s I/O performance. The demand for 100+ Gb/s WAN bandwidth fuels the growth of short-reach 120 Gb/s infrastructures within high-end telco and datacom routers, switches, servers and other proprietary chassis-to-chassis links. The Zarlink PX6429 120 GB/s TIA/LA Receiver is a 12- channel TIA/LA optical receiver designed for various 12x10 Gb/s, 10 Gb/s parallel optics and CWDM PMD applications. It consists of a DC coupled transimpedance amplifier and an AC coupled differential limiting amplifier.

Features
• 12x10 Gb/s Integrated Transimpedance and Limiting Amplifier for parallel channel optical receiver applications
• Channels support data rates up to 10.7 Gb/s enabling various 120 Gb/s parallel PMD applications
• Global signal detect senses quiescent photocurrent with adjustable threshold and hysteresis
• Individual channel signal detect senses input signal strength (0MA) with adjustable sensitivity and hysteresis
• 20 uApp receiver sensitivity for 10-12 BER
• 180 mW per channel power dissipation for >500 mV differential output swing
• Serial digital interface for controlling channel power down, signal detect sensitivity, output amplitude and global signal detect
• Differential back-terminated outputs
• Flip-chip or direct wire-bond attach to photodiode
• 250-micron channel pitch matches optical ribbon fiber and array photodiodes

Applications
• Proprietary 120Gb/s intra-system parallel optics
• Multi-channel 10GbE, 10GFC, OC-192 VSR optical links