le88311 Zarlink Semiconductor, le88311 Datasheet - Page 2

• Manufacturer Part Number: le88311
• Description: Tracking Battery Voiceport Device 80-pin Elqfp
• Manufacturer: Zarlink Semiconductor

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Legerity provides system solutions that accelerate the deployment of integrated voice and data networks. By combining semiconductor design
expertise and advanced process technology with global applications support, Legerity develops voice and data IC solutions that enhance the
performance, increase the density, reduce the power and lower the system cost of communication equipment products. In addition to providing
chip sets for voice applications, Legerity offers IC solutions for Voice Over Broadband (VoB) and Integrated Voice + Data, as well as line drivers
and transceivers for broadband equipment. Legerity is headquartered in Austin, Texas with offices throughout North America, Europe and Asia.
• Highest level of integration
• Smallest footprint
• Pin-compatible options
• Lowest power solution across all operating modes
• Highly programmable
• Integrated ring cadencing and system state control
• Comprehensive line sensing
• Integrated switching regulator
• Seamless and compatible interface with solid state or
• Highest level of integration
• Comprehensive line monitoring
• Dial pulse generation with cadence and DTMF tones
transformer DAA
081309-Le88311/331 Dual-Channel VoicePort™ Device Data Sheet*
Le71HR0825 - VE880 Series Line Module supporting 1FXS/1FXO
Up to 100-V ringing with a 12-V Buck Boost Tracking Power Supply
Le71HK002 - Universal VoicePath™ Development / Demo Platform
Le71SK002 - VoicePath™ API-II Software System
Legerity Inc.
FEATURES
•
4509 Freidrich Lane
P R O D U C T
•
Austin, TX
• Reduces system BOM and discrete component count
• Saves board space
• Provides design flexibility to develop one design and
• Provides best solution for battery-backed and power-
• Offers design flexibility to develop one application for
• Enables designer complete control over transmission and
• Reduces real-time software overhead
• Enables high performance 909 diagnostics and subscriber
• Enables lowest component count and highest efficiency in
• Provides complete design flexibility to choose optimal
• Reduces system level cost and board space
• Enables supervision functions such as disconnect, ringing
• Reduces real-time software overhead
populate the voice socket with the right features for a given
market—100 V or 150 V, internal balanced (sinusoidal or
trapezoidal) or unbalanced ringing
sensitive applications
worldwide markets
signalling features
loop test and self test support
all states of operation
DAA solution for target market
signal detection, line-in-use, line polarity detection, and
parallel phone off hook
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