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BW0406X Datasheet

  • BW0406X

  • BW0406X Sigma-Delta Voice CODEC|Data Sheet

  • 14頁

  • ETC

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Sigma-Delta voice CODEC
REV 1.0 2002/04/28
Sigma-Delta Voice CODEC
FEATURES
BW0406X
BW0406X
GENERAL DESCRIPTION
The BW0406X is Sigma-Delta CODEC for speech and
telephony applications. The product contains both
digital IIR/FIR filter and smoothing filter. The normal
input and output channels have
碌
/A law format with
38dB signal to distortion ratio.
The input and output of this device is compressed
form(A-law,
碌
-law) and 14bit linear which can be
easily determined by control select pins
An on-chip voltage reference circuit is included to
allow the single supply operation
TYPICAL APPLICATIONS
-
Speech Processing
(Recognition, Synthesis, Compression etc.)
-
Telephony
-
Modem
- Single chip voice line Codec
(A/D, D/A converter included)
- Oversampled Sigma Delta modulator/
Demodulator
- Input/Output format : 8bit
碌
-law/A-law and
linear 14bit
* These three types are easily selectible by
control pins
* When serial interface mode, the 14bit
linear data has 16bit format with two don't
care bits from LSB
- Sigma Delta ADC.
* 256X Oversampling
* On chip Decimation Filter
* On chip Smoothing Filter
- Sigma Delta DAC.
* 256X Oversampling
* On chip 256X Interpolation Filter
* On chip Analog Post Filter
- Single ended Input and Output.
- Sampling Rate of 8~11KHz
- On chip voltage reference circuitry
- Single +3.3V Power Supply
- 2Vpp In, Output signal swing
- Power Consumption
* Operating Mode : 10mW Typ(3.3V)
* Powerdown Mode : 33
碌
W Typ(3.3V)
FUNCTIONAL BLOCK DIAGRAM WITH INPUT/OUPUT APPLICATION
ALOOP MUTE TPOST
AINFB
TDECI
REFH REFL
SINPO<1:0>
SDECI<1:0>
DAPWD
SDOUT
ADC Serial
Output
Analog Input
-
+
AMODIN
Analog
鈭單?/div>
Modulator
Decimation
filter
Serial Interface
1. 14bit Linear PCM in
16bit format
2.
碌
-law
3. A-law
Voltage Reference
Output
SDIN
DAC Serial
Interface
VREFOUT
Voltage Reference
APOSTOUT
Analog Output
Differential to
Single circuit +
Smoothing filter
Analog
Postfilter
Digital
鈭單?/div>
Modulator
Interpolation
filter
DADS
LCS
Selectible
powerdown circuit
CPSEL
X256FS BCK
SYNC
RST
VDDD
VSSD
VDDA
VSSA
ADPWD DAPWD
SEC ASIC
SAMSUNG ELECTRONICS Co. LTD
1
/14
ANALOG

BW0406X相關(guān)型號PDF文件下載

  • 型號
    版本
    描述
    廠商
    下載
  • 英文版
    BW0404X Sigma-Delta ADC|Data Sheet
    ETC
  • 英文版
    BW0406X Sigma-Delta Voice CODEC|Data Sheet
    ETC
  • 英文版
    BW0407X 16Bit 48KHz Sigma-Delta Audio Codec|Data Sheet
    ETC
  • 英文版
    BW0405XA 16Bit 44.1kHz Sigma-Delta Stereo DAC|Data Sheet
    ETC
  • 英文版
    BW0405XB 16Bit 44.1KHz Sigma-Delta Stereo DAC|Data Sheet
    ETC
  • 英文版
    BW0405XC 16Bit 44.1kHz Sigma-Delta Stereo DAC|Data Sheet
    ETC
  • 英文版
    BW0406XB Sigma-Delta Voice CODEC|Data Sheet
    ETC
  • 英文版
    BW0407XA 16Bit 48KHz Sigma-Delta Audio CODEC|Data Sheet
    ETC
  • 英文版
    BW0406X_LGISDN Sigma-Delta Voice CODEC|Data Sheet
    ETC

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