參數(shù)資料
型號(hào)： MAX9851EVCMODU
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 編解碼器
英文描述： MAX9851評(píng)估板/評(píng)估系統(tǒng)
中文描述： PCM CODEC
文件頁(yè)數(shù)： 61/73頁(yè)
文件大?。?/td> 1357K
代理商： MAX9851EVCMODU
MAX9851/MAX9853
Stereo Audio CODECs with Microphone, DirectDrive
Headphones, Speaker Amplifiers, or Line Outputs
64
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Applications Information
Typical Operating Modes
The MAX9851/MAX9853 are capable of a wide variety of
operating modes. To ease the process of determining
the appropriate settings for a particular operating mode,
several typical modes of operation are detailed below.
Voiceband Playback and Voiceband Record
Typical cellular phone operation requires both play-
back and record functions, and audio data to be sent
and received with the cell-phone communications
chipset. Table 41 lists an example of this configuration
and Table 42 lists the corresponding register settings in
the proper programming sequence.
Table 41. Example Voiceband Playback
and Voiceband Record Configuration
13MHz MCLK
8kHz voice mode for incoming and outgoing data
DAC and ADC enabled for mono data
Digital audio input and output on the primary digital audio
interface operating in slave mode
Voice filter activated for both DAC and ADC
Audio output on receiver amplifier
Audio input on internal microphone input
Table 42. I2C Register Settings for Voiceband Playback and Record Voiceband Mode
REGISTER (hex)
VALUE (hex)
DESCRIPTION
0x00
N/A
Read-only status register
0x01
N/A
Read-only status register
0x02
0x00
No interrupts are enabled
Program 0x03 last for proper soft-start
0x04
0x00
Configure for slave mode
0x05
0x00
Disable secondary digital audio interface
0x06
0x00
No configuration necessary
0x07
0x30
Configure for a 13MHz MCLK and voiceband filtering on both the ADC
and DAC
0x08
0x20
Route digital audio from the primary interface to the left DAC
0x09
0x00
No configuration necessary
0x0A
0x20
Route the left microphone signal to the ADC
0x0B
0x90
Route the left DAC output to the receiver amplifier and enabled sidetone
0x0C
0x00
No configuration necessary
0x0D
0x00
No configuration necessary
0x0E
0x00
No configuration necessary
0x0F
0x00
No configuration necessary
0x10
0x00
Configure the left microphone input for +20dB of gain, adjust as
appropriate
0x11
0x00
No configuration necessary
0x12
0x00
Select the internal microphone interface and disable external microphone
bias circuitry
0x13
0x00
Sidetone PGA, adjust as necessary
0x14
Configure left output gain to -20dB, adjust as necessary
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參數(shù)描述
MAX9851EVKIT 功能描述:音頻 IC 開發(fā)工具 Evaluation Kit/Evaluation System for the MAX9851 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
MAX9853ETM+ 功能描述:接口—CODEC Stereo Audio CODEC w/DirectDrive Amp RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
MAX9853ETM+T 功能描述:接口—CODEC Stereo Audio CODEC w/DirectDrive Amp RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
MAX9853EVCMODU 功能描述:音頻 IC 開發(fā)工具 Evaluation Kit/Evaluation System for the MAX9853 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
MAX9853EVKIT 功能描述:音頻 IC 開發(fā)工具 Evaluation Kit/Evaluation System for the MAX9853 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
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