WM9712L
目录
生产数据
描述....................................................................................................... 1
特点............................................................................................................ 1
APPLICATIONS..................................................................................................... 1
框图................................................ ................................................ 1
目录............................................... .......................................... 2
引脚配置................................................ .......................................... 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
音频输出............................................................................................................ 7
音频输入................................................................................................................ 8
辅助单声道DAC （ AUXDAC ） ............................................ .................................... 8
TOUCHPANEL和辅助ADC .............................................. .............................. 9
比较仪............................................................................................................. 9
参考电压................................................ ............................................. 10
数字接口特性............................................... .................. 10
耳机/音箱输出总谐波失真与功率关系...................................... 11
耗电量................................................ .............................................. 12
设备描述................................................ ...................................... 13
引言............................................................................................................ 13
AUDIO PATHS概述............................................... ............................................ 14
AUDIO INPUTS.................................................................................................... 15
LINE INPUT .................................................................................................................... 15
麦克风输入................................................ .................................................. 15
手机输入............................................................................................................... 17
PCBEEP输入............................................................................................................. 18
音频ADC ......................................................................................................... 19
记录SELECTOR.................................................................................................... 20
RECORD GAIN .............................................................................................................. 21
自动电平控制............................................... ..................................... 22
音频DAC ...................................................................................................... 25
立体声DAC ................................................................................................................ 25
辅助DAC ............................................................................................................ 28
模拟音频产出............................................... ........................... 29
耳机输出 - HPOUTL和HPOUTR ............................................ ....... 29
耳机扬声器输出 - OUT3 ............................................. .................................... 30
扬声器端口 - LOUT2和ROUT2 ............................................ ......... 31
耳机输出（ MONOOUT ） ............................................. ........................................ 32
温度传感器...................................................................................................... 32
JACK插入和自动切换............................................ .................... 33
数字音频（ SPDIF ）输出............................................ ................................... 34
调音台............................................................................................................. 35
可变速率音频/采样率转换.............................. 37
TOUCHPANEL接口................................................ ............................... 38
工作原理 - 四线TOUCHPANEL ....................................... 38
工作原理 - 五线TOUCHPANEL ......................................... 40
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PD ，版本4.6 ， 2011年11月
2
QQ：2880707522 复制
