W681360 PDF даташит
Спецификация W681360 изготовлена «Nuvoton Technology» и имеет функцию, называемую «3V SINGLE-CHANNEL 13-BIT LINEAR VOICE-BAND CODEC». |
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Детали детали
Номер произв | W681360 |
Описание | 3V SINGLE-CHANNEL 13-BIT LINEAR VOICE-BAND CODEC |
Производители | Nuvoton Technology |
логотип |
34 Pages
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W681360
3V SINGLE-CHANNEL
13-BIT LINEAR
VOICE-BAND CODEC
www.DataSheet.co.kr
Data Sheet
Revision A.5
-1-
Datasheet pdf - http://www.DataSheet4U.net/
No Preview Available ! |
W681360
1. GENERAL DESCRIPTION
The W681360 is a general-purpose single channel 13–bit linear PCM CODEC with 2s complement
data format. It operates from a single +3V power supply and is available in 20-pin SOG(SOP), SSOP
and TSSOP package options. The primary function of the device is the digitization and reconstruction
of voice signals, including the band limiting and smoothing required for PCM systems. The W681360
performance is specified over the industrial temperature range of –40C to +85C.
The W681360 includes an on-chip precision voltage reference. The analog section is fully differential,
reducing noise and improving the power supply rejection ratio. The VAG reference pin allows for
decoupling of the internal circuitry that generates the reference voltage to the VSS power supply ground,
minimizing clock noise on the analog circuitry when external analog signals are referenced to VSS.
The data transfer protocol supports both long-frame and short-frame, synchronous and asynchronous
communications for PCM applications. The W681360 accepts eight master clock rates between
256kHz and 4.800MHz, and an on-chip pre-scaler automatically determines the division ratio for the
required internal clock. An additional on-chip power amplifier is capable of driving 300 loads
differentially up to a level of 3.544V peak-to-peak.
For fast evaluation a development kit (W681360DK) is available.
For fast prototyping purposes a low-cost evaluation board (W681360ES) is also available.
2. FEATURES
Single +3V power supply (2.7V to 5.25V)
Typical power dissipation: 9.8mW
Standby power dissipation: 3µW
Power-Down dissipation: 0.09µW
Fully-differential analog circuit design for
low noise
13-bit linear A/D & D/A conversions with 2s
complement data format
CODEC A/D and D/A filtering compliant
with ITU G.712
Eight master clock rates of 256kHz to
4.800 MHz
256KHz – 4.8MHz bit clock rates on the
serial PCM port
On-chip precision reference of 0.886 V for
a -5 dBm TLP at 600 (436mVRMS)
Programmable receive gain: 0 to –21dB in
3dB steps
Industrial temp. range (–40C to +85C)
20-pin SOG (SOP), SSOP and TSSOP as
well as a QFN-32L package
Pb-Free / RoHS package options available
Applications
VoIP, Voice over Networks equipmentwww.DataSheet.co.kr
Digital telephone and communication
systems
Wireless Voice devices
DECT/Digital Cordless phones
Broadband Access Equipment
Bluetooth Headsets
Fiber-to-curb equipment
Enterprise phones
Digital Voice Recorders
Publication Release Date: January 2011
- 2 - Revision A.5
Datasheet pdf - http://www.DataSheet4U.net/
No Preview Available ! |
W681360
3. BLOCK DIAGRAM
BCLKR
FSR
PCMR
BCLKT
FST
PCMT
G.712 CODEC
MCLK
256 kHz
512 kHz
1536 kHz
1544 kHz
2048 kHz
2560 kHz
4096 kHz
4800 kHz
Pre-scaler
256 kHz
8 kHz
Voltage reference
www.DataSheet.co.kr
Power Conditioning
PAO+
PAO-
PAI
RO-
AO
AI+
AI-
HB
VAG
VAGREF
Publication Release Date: January 2011
- 3 - Revision A.5
Datasheet pdf - http://www.DataSheet4U.net/
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Номер в каталоге | Описание | Производители |
W681360 | 3V SINGLE-CHANNEL 13-BIT LINEAR VOICE-BAND CODEC | Winbond |
W681360 | 3V SINGLE-CHANNEL 13-BIT LINEAR VOICE-BAND CODEC | Nuvoton Technology |
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