PX6429 데이터 시트보기 (PDF) - Zarlink Semiconductor Inc
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PX6429 Datasheet PDF : 3 Pages
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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
PX6429
12 x 10 Gb/s TIA/LA Optical Receiver
Product Brief
April 2005
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.
The transimpedance amplifier achieves a nominal
8 GHz bandwidth over a wide range of photodiode
input capacitance. Excellent channel-to-channel
isolation ensures data integrity at the receiver
sensitivity limits. A global signal detect circuit
provides the photodiode reverse bias voltage
supply and senses average photocurrent supplied
to the photodiode array.
The transimpedance amplifier is AC-coupled
internally to a high-gain, high-bandwidth
differential limiting amplifier. The limiting amplifier
provides a differential back-terminated CML
output that can be used to drive 10 Gb/s per
channel transceivers or other CML compatible
clock and data recovery circuits. The limiting
amplifier features an adjustable signal detect
circuit that senses optical modulation amplitude
(OMA) to provide a received signal indication for
each channel.
1
Zarlink Semiconductor Inc.
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