參數(shù)資料
型號： XWM8731EDS
廠商： Wolfson Microelectronics
元件分類： Codec
英文描述： Portable Internet Audion CODEC with Headphone Driver and Programmable Sample Rates
中文描述： 便攜式互聯(lián)網(wǎng)三極管編解碼器的耳機(jī)驅(qū)動器和可編程采樣率
文件頁數(shù)： 4/56頁
文件大?。?/td> 595K
代理商： XWM8731EDS
WM8731
Advanced Information
WOLFSON MICROELECTRONICS LTD
AI Rev 2.0 February 2001
4
TABLE OF FIGURES
Figure 1 System Clock Timing Requirements............................................................................12
Figure 2 Clock Out Timing Requirements...................................................................................12
Figure 3 Master Mode Connection ..............................................................................................13
Figure 4 Digital Audio Data Timing
–
Master Mode ...................................................................13
Figure 5 Slave Mode Connection.................................................................................................14
Figure 6 Digital Audio Data Timing
–
Slave Mode......................................................................14
Figure 7 Program Register Input Timing - 3-Wire MPU Serial Control Mode..........................15
Figure 8 Program Register Input Timing
–
2-Wire MPU Serial Control Mode .........................16
Figure 9 Line Input Schematic .....................................................................................................18
Figure 10 Line Input Application Drawing ..................................................................................19
Figure 11 Microphone Input Schematic......................................................................................20
Figure 12 Microphone Input and Bias Application Drawing .....................................................21
Figure 13 Microphone Bias Schematic .......................................................................................22
Figure 14 Multi-Bit Oversampling Sigma Delta ADC Schematic...............................................22
Figure 15 ADC Digital Filter..........................................................................................................23
Figure 16 DAC Filter Schematic...................................................................................................23
Figure 17 Multi-Bit Oversampling Sigma Delta Schematic.......................................................24
Figure 18 Line Output Schematic................................................................................................25
Figure 19 Line Outputs Application Drawing .............................................................................26
Figure 20 Headphone Amplifier Schematic ................................................................................26
Figure 21 Headphone Output Application Drawing...................................................................28
Figure 22 Signal Routing in Bypass Mode...................................................................................28
Figure 23 Side Tone Mode Schematic.........................................................................................29
Figure 24 Crystal Oscillator Application Circuit..........................................................................31
Figure 25 Left Justified Mode........................................................................................................32
Figure 26 I2S Mode........................................................................................................................33
Figure 27 Right Justified Mode.....................................................................................................33
Figure 28 DSP Mode.......................................................................................................................33
Figure 29 Master Mode .................................................................................................................36
Figure 30 Slave Mode.....................................................................................................................36
Figure 31 3-Wire Serial Interface...................................................................................................42
Figure 32 2-Wire Serial Interface..................................................................................................42
Figure 33 DAC Digital Filter Frequency Response
–
Type 0.......................................................51
Figure 34 DAC Digital Filter Ripple
–
Type 0.................................................................................51
Figure 35 DAC Digital Filter Frequency Response
–
Type 1.......................................................51
Figure 36 DAC Digital Filter Ripple
–
Type 1.................................................................................51
Figure 37 DAC Digital Filter Frequency Response
–
Type 2.......................................................51
Figure 38 DAC Digital Filter Ripple
–
Type 2.................................................................................51
Figure 39 DAC Digital Filter Frequency Response
–
Type 3.......................................................52
Figure 40 DAC Digital Filter Ripple
–
Type 3.................................................................................52
Figure 41 ADC Digital Filter Frequency Response
–
Type 0.......................................................52
Figure 42 ADC Digital Filter Ripple
–
Type 0.................................................................................52
Figure 43 ADC Digital Filter Frequency Response
–
Type 1.......................................................52
Figure 44 ADC Digital Filter Ripple
–
Type 1.................................................................................52
Figure 45 ADC Digital Filter Frequency Response
–
Type 2.......................................................53
Figure 46 ADC Digital Filter Ripple
–
Type 2.................................................................................53
Figure 47 ADC Digital Filter Frequency Response
–
Type 3.......................................................53
Figure 48 ADC Digital Filter Ripple
–
Type 3.................................................................................53
Figure 49 De-Emphasis Frequency Response (32kHz) ..............................................................54
Figure 50 De-Emphasis Error (32kHz)..........................................................................................54
Figure 51 De-Emphasis Frequency Response (44.1kHz) ...........................................................54
Figure 52 De-Emphasis Error (44.1kHz).......................................................................................54
Figure 53 De-Emphasis Frequency Response (48kHz) ..............................................................54
Figure 54 De-Emphasis Error (48kHz)..........................................................................................54
Figure 55 External Components Diagram....................................................................................55
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XWM8733ED 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:102dB Stereo DAC
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XWM8734EDS/V 功能描述:接口—CODEC Stereo CODEC 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
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