T h e " V " i n V o I P TM
.
L
E G E R I T Y
T H E
" V "
I N
V
o
I P
TM
Integrated Access
Devices (IADs)
Network Interface
Units (NIUs)
Cable Modems
DSL Modems
Set Top/House Side
Boxes
Intelligent PBX
Pair Gain
FXS Cards
Voice over ISDN or
T1/E1
Smart Residential
Gateways
Dual
SLIC
Device
Ch 1
Ch 2
Ch 3
Ch 4
SLACTM
Device
Dual
SLIC
Device
V
E
5 8 0 S
E R I E S
A
P P L I C A T I O N S
S
Y S T E M
B
L O C K
D
I A G R A M
O
V E R V I E W
Legerity's VoiceEdgeTM
Ve580 Series is comprised of
our popular, general purpose,
low-cost quad and octal
codecs that provide a simple
analog interface to a variety
of ringing and non-ringing
SLIC devices.
The codec products offer
the cost-effective, software
programmable functionality
required to interface to a tele-
phone analog voice signal,
the PCM highway, or a GCI
interface.
The SLIC products offer
significant cost savings by
reducing board space and
minimizing the number of
required discretes.
F
E AT U R E S
Integrates the functions of
four codec/filter devices
Software programmable
Standard microprocessor
interface
A-law, -law, or linear
coding
Single GCI/PCM ports or
dual PCM ports available
Built-in test modes with
loopback, tone generation,
and microprocessor access
to PCM data
Low power CMOS technol-
ogy with 3.3-V only
operation
Mixed mode (analog and
digital) impedance scaling
Parametric performance
guaranteed over full
12-dB gain range
B
E N E F I T S
Reduced real estate
requirements of multi-
channel linecards
One hardware platform
enables worldwide design
and distribution through
software selectable configu-
rations
Connection to an external
DSP engine is provided
through a linear port
No external switching
matrix is needed
Testing the integrity of the
line circuit is easy
No 5 V supply is required
A high degree of input
impedance adjustment is
included
SLACTM device is also available in 8 channel version.
SLIC devices are also available in two 1 channel versions.
Ve580 Products
VE580 Family_020706.qxp 2/21/2006 3:56 PM Page 1
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w
w .
l
e
g
e
r
i
t
y .
c
o
m
Legerity, the Legerity logo and combinations thereof are registered trademarks, and BatteryDirect, PhonePort, VoiceEdge, VoicePath, VoicePort, The "V" in VoIP
and WinSLAC are trademarks of Legerity, Inc. Other product names and marks used within this document are for identification purposes only and may be regis-
tered trademarks or trademarks of their respective companies.
TM
4509 Freidrich Lane
Bldg. 2, Ste. 200
Austin, TX 78744-1812
512.228.5400
www.legerity.com
Legerity is the world's most trusted name in voice integrated circuits (ICs) for high-voltage,
analog/mixed signal semiconductor & software technologies that focus on the "edge" of the
Wide Area Network (WAN), Local Area Network (LAN) and home communication network.
R
ELATED
C
OLLATERAL
Le58QL02/021/031 QLSLACTM
Data Sheet (order #080753)
Le58QL061/063 QLSLACTM
Data Sheet (order #080754)
Le57D11x DSLIC
Data Sheet (order #081132)
Le57D12x DSLIC
Data Sheet (order #081047)
Le79R70
Data Sheet (order #080211)
Le79R79
Data Sheet (order #080152)
Le7920
Data Sheet (order #080146)
Le7942B
Data Sheet (order #081195)
Le79489
Data Sheet (order #080201)
Le79555
Data Sheet (order #080686)
F
OR
M
ORE
I
NFORMATION
To find the Legerity Sales Office nearest
you, visit our website at:
www.legerity.com/sales
or email
sales@legerity.com
To download or order data sheets, applica-
tion notes, or evaluation tools, go to:
www.legerity.com/support
For all other technical inquiries, please
contact Legerity Tech Support at:
techsupport@legerity.com
or call +1 512.228.5400
A
R E D U C T I O N I N R E A L E S TAT E
R E Q U I R E M E N T S C O U P L E D W I T H
H I G H LY P R O G R A M M A B L E
F U N C T I O N A L I T Y M A K E
L
E G E R I T Y
'
S
V
E
580 S
E R I E S
T H E O B V I O U S C H O I C E F O R
M U LT I
-
C H A N N E L L I N E C A R D S
D E S T I N E D F O R W O R L D W I D E
D E S I G N A N D D I S T R I B U T I O N
.
D
E V E L O P M E N T
T
O O L S
Legerity provides a world-class
suite of development tools to
facilitate the integration of voice
into end-user applications and to
significantly reduce design time.
Legerity's Software Develop-
ment Kit (SDK) is a package of
software tools with optional hard-
ware tools that can be designed
using Legerity's voice solutions.
Our VoicePathTM Application
Programming Interface II (VP
API-II) provides a standard soft-
ware interface for controlling,
supervising, and performing line
testing using Legerity's voice ter-
mination devices.
Ve580 Evaluation Board
V
E
5 8 0 S
E R I E S
Document #081322
VE580 Family_020706.qxp 2/21/2006 3:56 PM Page 2
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