WM8973L
目录
先进的信息
描述.......................................................................................................1
FEATURES.............................................................................................................1
应用.....................................................................................................1
框图................................................ ................................................. 1
目录............................................... .......................................... 2
PIN CONFIGURATION...........................................................................................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............................................... ...... 6
电气特性................................................ ...................... 7
PGA输出线性度............................................... .......................................... 9
耳机输出THD与功率关系............................................. ............ 10
电源CONSUMPTION............................................................................................ 11
信号时序要求............................................... ...................... 12
系统时钟时序............................................... ............................................. 12
音频接口时序 - 主模式............................................ ............. 12
音频接口时序 - 从模式............................................ ................ 13
设备描述................................................ ....................................... 16
INTRODUCTION.......................................................................................................... 16
输入信号PATH.................................................................................................. 16
自动电平控制（ ALC ） ............................................ ........................... 23
3D立体声增强............................................... ...................................... 26
输出信号路径............................................... ............................................... 27
ANALOGUE产出................................................ ............................................... 32
使能输出............................................... .......................................... 34
耳机开关................................................ ............................................... 34
热关断................................................ .............................................. 36
耳机输出................................................ ............................................... 36
数字音频接口............................................... ....................................... 37
音频接口控制............................................... ................................... 40
时钟和采样率.............................................. ................................ 41
控制接口................................................ .............................................. 43
供电器..................................................................................................... 44
电源管理................................................ ............................................. 45
注册MAP...................................................................................................47
数字滤波器特性............................................... ................ 48
TERMINOLOGY........................................................................................................... 48
DAC，滤波器响应............................................... .......................................... 49
ADC滤波器响应............................................... .......................................... 50
去加重滤波器响应............................................. ........................... 51
高通滤波器..................................................................................................... 52
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AI版本3.2 2004年7月
2
QQ：2880707522 复制
