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CX20706 데이터시트(PDF) 2 Page - Synaptics Incorporated.

부품명 CX20706
상세설명  2.5 W BTL mono Class-D speaker amplifier
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제조업체  CONEXANT [Synaptics Incorporated.]
홈페이지  https://www.synaptics.com/
Logo CONEXANT - Synaptics Incorporated.

CX20706 데이터시트(HTML) 2 Page - Synaptics Incorporated.

  CX20706 Datasheet HTML 1Page - Synaptics Incorporated. CX20706 Datasheet HTML 2Page - Synaptics Incorporated.  
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© 2009 Conexant Systems, Inc. All Rights Reserved. Conexant and the Conexant
logo are registered trademarks of Conexant Systems, Inc. All other trademarks
are owned by their respective owners. Although Conexant strives for accuracy
in all its publications, this material may contain errors or omissions and is
subject to change without notice. This mATeriAl is ProviDeD As is AND wiThouT
ANy exPress or imPlieD wArrANTies, iNcluDiNg merchANTAbiliTy, fiTNess for A
PArTiculAr PurPose AND NoN-iNfriNgemeNT.
Conexant shall not be liable for any
special, indirect, incidental or consequential damages as a result of its use.
CX20706 Interface Diagram
DMA
DSP
Memory
DSP
DMA
DAC
DAC
ADC
ADC
Controller
SPI
I2C Slave
UART
Jack
Sense
Clock
Circuitry
Bias
Generator
MON
ADC
USB
Volume
Voltage
Monitor
SE or Diff
10 k line
SE or Diff
10 k line
2.5 W Class-D
Capless HP
Out 32
Capless HP
Out 32
MIC In
MIC In
MIC Bus
MIC Bus
XTAL In/
Master In
XTAL Out
Sense
ADC
SE or Diff Line In
SE or Diff Line In
SE Line In
M
M
M
ADC
SE or Diff Line In
SE or Diff Line In
SE Line In
M
M
M
09-2911
Audio
Speakers-on-a-Chip
www.conexant.com
General Information:
U.S. and Canada: (888) 855-4562
International: 1+ (949) 483-3000
Headquarters
4000 MacArthur Blvd.
Newport Beach, CA 92660
Doc# PBR-202454
cx20706 features
CODEC
• CompliantMicrosoftOfficeCommunicatorperipheral
requirement
• PassTIA-920testrequirement
• USB2.0CompliantAudioClassinterface
• UARTinterfaceforexternalMCU
• EightGPIOpins
• 2.5WBTLMonoClass-Dspeakeramplifier
• Single-endedordifferentialstereoanalogaudioinput
• Twomicrophonesinterfaceswithon-chipbiassupply
• Integrated50mWheadphonedriverwithjacksense
• Single-endedordifferentiallineout
• 24-bitDAC/ADC,SNR102dB,THD-92dBat48kHz3.3V
• Audiosamplerate:8,11.025,12,16,22.05,24,32,44.1,48,64,
88.2, 96 kHz
• 90dBdynamicrangewith0.01percentTHD+Nat4
Ω load
• SpreadSpectrumforfilter-less,lowEMIoutput
• 10-bitADCmultiplexedtosupportanalogvolume
potentiometer and DC level detection
• Flexiblepowermanagement
• Variablemasterclockrates
DSP
• Subbandacousticechosuppressionandcancellation
• Stereobeam-forming
•Noisereductionforinboundspeech(farend)andoutbound
speech (near end)
• Dynamicloudnessadaptor
• Micautogaincontrol
• Digitalparametricequalizer(10bands/channel)
• Dynamicrangecompression
SPoC ConfigurationToolbox
• FastconfigurationtoolviaUSB-to-I2C from PC
• DeviceconfigurationandDSPparameteradjustment
• OutputlogforconvenientMCUprogramming
The CX20706 is offered in a 76-pin QFN package
Conexant Product Portfolio
Conexant’s comprehensive product portfolio includes solutions for imaging, audio, embedded modem and video surveillance applications.


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