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PDF PX5524 Data sheet ( Hoja de datos )
| Número de pieza | PX5524 | |
| Descripción | 4 x 4 Gb/s TIA/LA Receiver | |
| Fabricantes | Zarlink Semiconductor | |
| Logotipo |  |
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Features
• 4-channel integrated transimpedance and liming
amplifier operates up to 4.25 Gb/s
• 8 uAPP receiver sensitivity for 10-12 BER
• Single +3.3V supply dissipating 105 mW per
channel
• Individual channel signal detect compares input
signal strength (OMA) with adjustable threshold
• Global signal detect compares quiescent
photocurrent with adjustable threshold
• Squelch automatically disables output when
input signal strength falls below programmable
threshold
• Serial digital interface for controlling channel
enable and signal detect features
• Reconfigurable I/O provides access to serial
digital interface and dedicated channel signal
detect outputs
• 250-micron channel pitch matches optical ribbon
fiber and photodiode arrays
Applications
• 10GbE LX-4 optical modules
• 4-lane 4GFC, OC-48 VSR, InfinibandTM parallel
optical modules
• Proprietary parallel optical modules and CWDM
• Proprietary 4-lane intra-system parallel optics
PX5524
4 x 4 Gb/s TIA/LA Receiver
Product Brief
April 2006
Description
The growing use of the Internet has created
increasingly higher demand for multi-Gb/s I/O
performance. The demand for 40+ Gb/s WAN
bandwidth fuels the growth of short-reach 10
Gb/s infrastructures within high-end telco and
datacom routers, switches, servers and other
proprietary chassis-to-chassis links. The Zarlink
PX5524 4 Gb/s TIA/LA Receiver is a four-channel
TIA/LA optical receiver designed for various 4x4
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
3 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 4 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.
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet PX5524.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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