WM8731 / WM8731L
目录
生产数据
描述....................................................................................................... 1
特点............................................................................................................ 1
APPLICATIONS..................................................................................................... 1
框图................................................ ................................................ 1
引脚配置 - 28引脚SSOP ............................................ .................... 3
订购信息................................................ .................................. 3
引脚配置 - 28引脚QFN ............................................ ....................... 4
订购信息................................................ .................................. 4
引脚说明................................................ ................................................ 5
绝对最大额定值............................................... ......................... 6
推荐工作条件 - WM8731 .................................. 6
推荐工作条件 - WM8731L ................................ 6
电气特性 - WM8731 .............................................. 7 .....
术语.............................................................................................................. 9
功耗 - WM8731 .............................................. .................... 10
电气特性 - WM8731L .............................................. 11
术语............................................................................................................ 13
功耗 - WM8731L .............................................. ................. 14
主时钟时序............................................... .................................... 15
数字音频接口 - 主模式............................................ ............ 16
数字音频接口 - 从模式............................................ ................ 17
MPU接口时序............................................... ............................................. 18
设备描述................................................ ...................................... 20
引言........................................................................................................... 20
音频信号通道............................................... .................................................. .. 21
器件工作................................................ .................................................. 34
音频数据采样价格.............................................. .................................. 41
ACTIVATING DSP和数字音频接口............................................ .... 45
软件控制接口............................................... ............................ 45
省电模式............................................... ................................................ 47
寄存器映射............................................................................................................ 49
数字滤波器特性............................................... ............... 54
术语............................................................................................................ 55
DAC,滤波器响应............................................... .................................. 56
ADC滤波器响应............................................... .................................. 57
ADC高通滤波器.............................................. ............................................... 58
数字去重特征............................................. ..... 58
数字去重特征............................................. ..... 59
应用信息................................................ ........................ 60
推荐的外部元件............................................... ............ 60
尽量减少杂音AT模拟输出......................................... 61
包装尺寸 - SSOP .............................................. ......................... 62
包装尺寸 - QFN .............................................. ........................... 63
重要通知................................................ ......................................... 64
地址: .................................................................................................................... 64
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PD ,版本4.9 , 2012年10月
2