WM8974
目录
产品预览
描述.......................................................................................................1
FEATURES.............................................................................................................1
应用.....................................................................................................1
目录............................................... .......................................... 2
PIN CONFIGURATION...........................................................................................3
订购信息................................................ .................................. 3
绝对最大额定值............................................... .......................... 5
推荐工作条件............................................... ...... 5
电气特性................................................ ...................... 6
术语............................................................................................................ 8
信号时序要求............................................... ........................ 9
系统时钟时序............................................... .............................................. 9
音频接口时序 - 主模式............................................ .............. 9
音频接口时序 - 从模式............................................ ................ 10
控制接口时序 - 3线模式.......................................... .......... 11
控制接口时序 - 2线模式.......................................... .......... 12
设备描述................................................ ....................................... 13
引言......................................................................................................... 13
输入信号路径............................................... .................................................. 14
模拟数字转换器（ ADC） ........................................... ............... 19
输入限制器/自动电平控制（ ALC ） ......................................... 22
输出信号路径............................................... .............................................. 26
ANALOGUE OUTPUTS............................................................................................... 33
输出开关...................................................................................................... 38
数字音频接口............................................... .................................... 40
音频采样率............................................... .............................................. 46
主时钟，锁相环（ PLL ） ......................................... ...... 47
通用输入/输出............................................. ......................... 49
控制INTERFACE.............................................................................................. 49
复位芯片............................................... ......................................... 50
使用的电源................................................ .................................................. 50 ..
电源管理................................................ ............................................ 51
注册MAP...................................................................................................52
数字滤波器特性............................................... ................ 53
术语.......................................................................................................... 53
DAC，滤波器响应............................................... .................................. 54
ADC滤波器响应............................................... .................................. 54
去加重滤波器响应............................................. ................... 55
HIGHPASS FILTER..............................................................................................56
5 - BAND EQUALISER...........................................................................................57
应用信息................................................ ......................... 61
推荐的外部元件............................................... ........... 61
包图................................................ .......................................... 62
重要通知................................................ .......................................... 63
地址................................................................................................................... 63
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PP版本1.1 2004年9月
2
QQ：2880707522 复制
