Silicon Laboratories' highly-integrated wireline solutions are the smallest, most cost-effective solutions available for a wide range of telephony, Voice over Broadband and data transmission equipment. Global compliance and software programmability allow our products to easily be implemented as a single world-wide design, enabling our customers to ship one board design without changing any external components.
ProSLIC®
Integrated SLIC plus codec solutions
Consumer VoIP - short to medium loops
 Si3210/15 Single-channel ProSLIC with dc-dc controller
Si3211 Single-channel ProSLIC with automatic battery switching
Si3230/33 Single-channel ProSLIC (SLIC only) with dc-dc controller
Si3216 Single-channel wideband ProSLIC with dc-dc controller
Si3226 Dual-channel ProSLIC with dc-dc controller
Si3227 Dual-channel wideband ProSLIC with dc-dc controller
Enterprise and infrastructure - short to long loops
Si3226 Dual-channel ProSLIC with dc-dc controller
Si3227 Dual-channel wideband ProSLIC with dc-dc controller
Si3220/25 Dual-channel ProSLIC with automatic battery switching
Si3232 Dual-channel ProSLIC (SLIC only) with automatic battery switching
Si324x Quad-channel ProSLIC with automatic battery switching
Silicon DAAs
Globally programmable silicon direct access arrangements
Si3050 PCM/SPI, GCI interface
Si3052 PCI interface
Si3054 AC-Link interface
Si3056 DSP serial interface
Si306x Integrated telephone line interface
Voice Codec
Voice solutions for data-intensive applications
Si3000
PC Voice Solutions
Internet Telephone Adapter Plus (ITA Plus)
| ISOmodem®
Embedded modems
Si2401 300 bps - 2400 bps
Si2404 300 bps - 2400 bps
Si2415 300 bps - 14,400 bps
Si2417/35 300 - 33,600 bps fax modems
Si2434 300 bps - 33,600 bps
Si2457 300 bps - 56,000 bps
Power over Ethernet
CP220x Ethernet controllers
Si3400/01 PD interface and switching regulator
Si3460 PSE interface with integrated dc-dc controller
Complete PoE Solutions
SiPHY® CDR/PHY ICs
High-performance transmit/receive solutions
Si5040 10 Gbps XFP transceiver
Si5010 CDR for OC-3/12 and STM-1/4 (2.5 V)
Si5013 CDR+LA for OC-3/12 and STM-1/4 (3.3 V)
Si5017 CDR+LA for OC-48/STM-16 and 2.7 Gbps FEC (3.3 V)
Si5018 CDR for OC-48/STM-16 and 2.7 Gbps FEC (2.5 V)
Si5020 CDR for OC-3/12/48, GbE, 2.7 Gbps FEC (2.5 V)
Si5023 CDR+LA for OC-3/12/48, GbE, 2.7 Gbps FEC (3.3 V)
Si5100 OC-48/STM-16 SONET/SDH transceiver (16-bit)
Si5110 OC-48/STM-16 SONET/SDH transceiver (4-bit)
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Featured Products:
 Si3460 PoE PSE Interface
The Si3460 is the industry’s first dual-function, single-port Power over Ethernet (PoE) controller with an integrated dc-dc controller for power sourcing equipment (PSE). By combining these two functions, the Si3460 dramatically simplifies development efforts, reduces system costs and eliminates specification compliance challenges for designers of a broad range of emerging PoE applications such as in home gateways, set-top boxes, cable modems, DSL modems and Voice over IP systems.
Product Information
Summary
Features
Documentation
Complete PoE Solutions
Si3226/27 Dual ProSLIC with DC-DC Controller
The Si3226/7 Dual ProSLIC is an extension of the ProSLIC programmable subscriber line interface family. The Si3226/7 is fully-integrated dual-channel SLIC and codec in a single chip that leverages Silicon Labs’ patented digital SLIC architecture to achieve a globally-compliant, carrier-grade SLIC complete with extensive remote diagnostic capabilities, low power consumption and the industry’s clearest voice reproduction in its class.
Product Information:
Summary
Features
Documentation
Product Matrix
Si3400 Power over Ethernet Powered Device Controller
The Si3400 is a complete power supply solution for Power over Ethernet (PoE) Powered Device (PD) applications. The Si3400 is the industry’s most highly integrated, IEEE 802.3af compliant, PoE PD interface and pulse width modulated (PWM) switching regulator. By setting a new bar for device integration, lowest overall BOM cost, efficiency, and reliability, the Si3400 enables designers to easily add PoE functionality to their Ethernet products.
Product Information:
Summary
Features
Documentation
Product Matrix
Si324x Quad ProSLIC
The new Si324x Quad ProSLIC products offer high channel density and an extensive feature set in the industry’s smallest footprint allowing one hardware design to be deployed worldwide in enterprise and central office telecommunications applications. The Quad ProSLIC is a series of low-voltage CMOS devices that integrate both SLIC and codec functionality into a single IC to provide a complete four-channel analog telephone interface in accordance with all relevant LSSGR, ITU, and ETSI specifications.
Learn more about the Si324x Quad ProSLIC
Documentation:
Data Short
ProSLIC Voice Solutions Guide
AN39 Connecting the Si321X And Si322X ProSLIC to the W & G PCM-4
AN74 SiLinkPS-EVB User’s Guide
Silicon Laboratories Expands Industry-Leading ProSLIC Family
Si5040 10 Gbps XFP Transceiver
The Si5040 is the industry’s first jitter attenuating XFP Transceiver IC. With fully integrated DSPLLs in both receive and transmit data paths for jitter attenuation, the Si5040 is enabling a new and unique feature for the XFP optical modules Click here for information.
Product Information:
Documentation
Product Features
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