WM8731 / WM8731L
目录
生产数据
描述.......................................................................................................1
FEATURES.............................................................................................................1
应用.....................................................................................................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PATH................................................................................................. 21
器件工作................................................ ................................................. 33
音频数据采样价格.............................................. ................................. 40
ACTIVATING DSP和数字音频接口............................................ .. 44
软件控制接口............................................... .......................... 44
省电模式............................................... ............................................. 46
寄存器映射......................................................................................................... 48
数字滤波器特性............................................... ................ 53
术语.......................................................................................................... 54
DAC，滤波器响应............................................... .................................. 55
ADC滤波器响应............................................... .................................. 56
ADC高通滤波器.............................................. ............................................. 57
数字去重特征............................................. ...... 58
应用信息................................................ ......................... 59
推荐的外部元件............................................... ........... 59
尽量减少杂音AT模拟输出........................................ 60
包装尺寸 - SSOP .............................................. ......................... 61
包装尺寸 - QFN .............................................. ............................ 62
重要通知................................................ .......................................... 63
地址： .................................................................................................................. 63
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PD版本4.3 2006年8月
2
QQ：2881677436 复制
