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CX20707 Folha de dados(PDF) 2 Page - Synaptics Incorporated.

Nome de Peças CX20707
Descrição Electrónicos  Flexible power management
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Fabricante Electrônico  CONEXANT [Synaptics Incorporated.]
Página de início  https://www.synaptics.com/
Logo CONEXANT - Synaptics Incorporated.

CX20707 Folha de dados(HTML) 2 Page - 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.
CX20707 Interface Diagram
DMA
DSP
Memory
DSP
DMA
DAC
DAC
ADC
Controller
DMA
Jack
Sense
Clock
Circuitry
Bias
Generator
MON
ADC
PCM/I2S
SPI
I2C Slave
UART
Volume
Voltage
Monitor
SE or Diff
10 k line
2.5W Class-D
SE or Diff
600
or 10 k line
Capless HP
Out 32
MIC In
XTAL In/
Master In
XTAL Out
Sense
MIC Bus
ADC
SE or Diff Line In
SE or Diff Line In
SE Line In
M
M
M
09-2912
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-202455
cx20707 features
CODEC
• 5-wiredigitalaudioI/O(I2S/PCM/SPDIF),supportingfull-duplex
independent sampling rates
• One2-wireI2C or 4-wire SPI slave interface for external MCU
• UARTinterface
• EightGPIOpins
• 2.5WBTLmonoClass-DSpeakerAmplifier
• Single-endedordifferentialmonoanalogaudioinput
• Monomicrophoneinterfaceswithon-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
•Noisereductionforinboundspeech(farend)andoutbound
speech (near end)
• Dynamicloudnessadaptor
• Micautogaincontrol
• Digitalparametricequalizer(10bands/channel)
• Dynamicrangecompression
SPoC ConfigurationToolbox
• FastconfigurationtoolviaUSB-to-I2C from PC
• DeviceconfigurationandDSPparameteradjustment
• OutputlogforconvenientMCUprogramming
The CX20707 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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