WM8961 参数 Datasheet PDF下载

WM8961

预生产

目录

框图................................................ ................................................. 2

PIN CONFIGURATION...........................................................................................五

订购信息................................................ .................................. 5

引脚说明................................................ ................................................ 6

绝对最大额定值............................................... .......................... 7

绝对最大额定值............................................... .......................... 7

推荐工作条件............................................... ...... 7

电气特性................................................ ...................... 8

典型功耗............................................... ..................... 12

通用测试条件............................................... .................................... 12

测量...................................................................................................... 12

信号时序要求............................................... ...................... 14

系统时钟时序............................................... ............................................ 14

音频接口时序 - 主模式............................................ ............. 14

音频接口时序 - 从模式............................................ ................ 15

控制接口时序............................................... .................................. 16

内部上电复位电路............................................. ..................... 17

设备描述................................................ ....................................... 19

引言......................................................................................................... 19

控制接口................................................ .............................................. 20

输入信号路径............................................... .................................................. 22

模拟数字转换器（ ADC） ........................................... ............... 26

自动电平控制（ ALC ） ............................................ ........................... 31

输出信号路径............................................... .............................................. 35

ANALOGUE产出................................................ ............................................... 41

耳机回放模式............................................... ............................. 46

输入和输出卷更新............................................. ................... 51

直流伺服.................................................................................................................. 53

电荷泵.......................................................................................................... 56

数字音频接口............................................... ...................................... 58

控制写序列器............................................... ................................ 65

时钟和采样率.............................................. ............................... 71

VMID发电机................................................ .................................................. .. 78

热关断和状态.............................................. ........................ 79

芯片器件ID ......................................................................................................... 80

CHIP软件复位............................................... ........................................... 80

寄存器映射................................................ .................................................. 81

寄存器位按地址.............................................. .................................... 83

数字滤波器特性............................................... .............. 101

DAC，滤波器响应............................................... ........................................ 102

ADC滤波器响应............................................... ........................................ 104

去加重滤波器响应............................................. ......................... 106

应用信息................................................ ....................... 107

推荐的外部元件............................................... ......... 107

音箱SELECTION............................................................................................. 108

PCB布线注意事项............................................... ............................ 109

示例配置................................................ ................................. 110

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PP ， 2009年8月，版本3.1

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