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Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2010-2011, Zarlink Semiconductor Inc. All Rights Reserved.
Features
• Complete BORSCHT Function for Two Channels in
a Single VoicePort™ Device
• Battery Feed, Over-voltage support, integrated
Ringing, line Supervision, Codec, Hybrid
(2W/4W), Test
• Integrated Power Management
• Integrated high voltage switching regulator
controllers
- Wide input voltage range (VSW =+4.75 V to
+35 V)
- Generates supplies for VBH, VBM & VBL
• Low power Idle and On-hook transmission states
• Worldwide Programmability
• Two-wire AC impedance, Balance Impedance,
Gain
• DC feed voltage and current limit
• Ringing frequency, voltage and current limit
• 12 kHz and 16 kHz Metering
• Programmable loop closure and ring trip
thresholds
• Ringing
• 5 REN with pin for pin compatible 100 V
(Le88266) and 120 V (Le88286) devices
• Up to 110 Vpk internal balanced sinusoidal or
trapezoidal ringing with programmable DC offset
• Powerful Signal Generator
• Universal Caller ID generation
• Up to 4 simultaneous tones
• Automatic cadencing feature
• VoicePath™ API-II Software Available to Implement
FXS Functions
• Supports device calibration
• Line configuration via VoicePath Profile Wizard
• VeriVoice™ Test Suite Subscriber Loop Test
• Seamless integration with API-II software
• Utilizes integrated self test capabilities
• Line fault detection and reporting
• Pin-Selectable PCM/MPI or GCI interface
• G.711 µ-law, A-law, or 16-bit Linear Coding
• Wideband 16 kHz Sampling Mode
• Integrated 150 mW 3 V Relay Driver
• External catch diode required
• Small Footprint Package - Exposed pad 64-pin QFN
• Minimal External Discrete Components Required
Applications
• Voice-Enabled Cable and DSL Modems
• Residential VoIP Gateways and Routers
• Media Terminal Adapters (MTA)
Standalone &
Embedded
• Fiber to the Premise/Home/Building (FTTP/H/B),
Fiber in the Loop (FITL) Optical Network
Terminals (ONT)
• Wireless Local Loop (WLL), PBX, ISDN NT1/TA
Figure 1 - VoicePort Device Block Diagram
TIPD
1
TDC
1
TAC
1
RINGD
1
RDC
1
RAC
1
RINGT
1
TIPT
1
IREFVREF
VBL
High Voltage
Line Driver
GCI Interface
(GCI)
Microprocessor
Interface
(MPI)
PLL
Analog
Reference
PCM Interface
and Time Slot
Assigner
(PCM)
Signal
Generation
Input / Output
Voice Signal
Processing
Supervision
Processing
Signaling
Control
LFC
1
RTV
1
RSN
1
IHL
1
Switching
regulator
controllers
VBM VBH
TIPD
2
TDC
2
TAC
2
RINGD
2
RDC
2
RAC
2
RINGT
2
TIPT
2
VBL
High Voltage
Line Driver
Signal
Generation
Voice Signal
Processing
Supervision
Processing
Signaling
Control
LFC
2
RTV
2
RSN
2
IHL
2
VBM VBH
SWOUTZ
XB
PCLK/DCL
I/O2
i
- I/O1
i
DRA/DD
DXA/DU
FS/FSC
DOUT
4
TSCA
RST
CS/PG
DCLK/S0
DIN/S1
INT/S2
SWCMPY
SWVSY
SWISY
SWOUTY
SWCMPZ
SWVSZ
SWISZ
127608 Version 2 January 2011
Le88266/286
Dual Channel Wideband Auto Battery
Switching (ABS) VoicePort™ - VE880 Series
Product Brief
Ordering Information
Device OPN Package Type Packing
2
Le88286TQC 64-pin QFN (Green)
1
Tray
Le88266TQC 64-pin QFN (Green)
1
Tray
Le88266DLC 80-pin eLQFP (Green)
1
Tray
Le88286DLC 80-pin eLQFP (Green)
1
Tray
1. The green package meets RoHS Directive 2002/95/EC of the
European Council to minimize the environmental impact of
electrical equipment.
2. For delivery using a tape and reel packing system, add a “T”
suffix to the OPN (Ordering Part Number) when placing an
order.
