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CX20706 데이터시트(PDF) 2 Page - Synaptics Incorporated. |
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CX20706 데이터시트(HTML) 2 Page - Synaptics Incorporated. |
2 / 2 page © 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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