W681511IS WINBOND [Winbond], W681511IS Datasheet - Page 2

• Manufacturer Part Number: W681511IS
• Description: SINGLE-CHANNEL VOICEBAND CODEC
• Manufacturer: WINBOND [Winbond]

1. GENERAL DESCRIPTION
The
companding. The device is compliant with the ITU G.712 specification. It operates off of a single +5V
power supply and is available in 20-pin PDIP, SOG, SSOP, and TSSOP package options. Functions
performed include digitization and reconstruction of voice signals, and band limiting and smoothing
filters required for PCM systems. The filters are compliant with ITU G.712 specification.
performance is specified over the industrial temperature range of –40°C to +85°C.
The
capable of driving 300Ω loads differentially up to a level of 6.3V peak-to-peak. The analog section is
fully differential, reducing noise and improving the power supply rejection ratio. The data transfer
protocol supports both long-frame and short-frame synchronous communications for PCM
applications, and IDL and GCI communications for ISDN applications.
master clock rates between 256 kHz and 4.096 MHz, and an on-chip pre-scaler automatically
determines the division ratio for the required internal clock.
For fast evaluation and prototyping purposes, the
2. FEATURES
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Single +5V power supply
Typical power dissipation of 25 mW,
power-down mode of 0.5 μW
Fully-differential analog circuit design
On-chip precision reference of 1.575 V for
a 0 dBm TLP at 600 Ω
Push-pull power amplifiers with external
gain adjustment with 300 Ω load capability
Seven master clock rates of 256 kHz to
4.096 MHz
Pin-selectable
companding (compliant with ITU G.711)
CODEC A/D and D/A filtering compliant
with ITU G.712
Industrial temperature range (–40°C to
+85°C)
Package: 20-pin SOG
W681511
W681511
is a general-purpose single channel PCM CODEC with pin-selectable μ-Law or A-Law
includes an on-chip precision voltage reference and an additional power amplifier,
μ-Law
and
A-Law
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W681511
ApplIcations
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Digital Telephone Systems
Central
Switches, Routers)
PBX Systems (Gateways, Switches)
PABX/SOHO Systems
Local Loop card
SOHO Routers
VoIP Terminals
Enterprise Phones
ISDN Terminals
Analog line cards
Digital Voice Recorders
DK development kit is available.
Office
W681511
Equipment
W681511
accepts seven
(Gateways,
W681511