WM9711L
目录
生产数据
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
AUDIO OUTPUTS.......................................................................................................... 7
AUDIO INPUTS.............................................................................................................. 8
辅助单声道DAC （ AUXDAC ） ............................................ .................................. 8
比较仪........................................................................................................... 8
参考电压................................................ ............................................. 9
数字接口特性............................................... ................... 9
耳机/音箱输出总谐波失真与功率关系..................................... 10
电源CONSUMPTION............................................................................................ 11
设备描述................................................ ....................................... 12
INTRODUCTION.......................................................................................................... 12
AUDIO PATHS概述............................................... .......................................... 13
音频输入....................................................................................................14
LINE INPUT ................................................................................................................. 14
麦克风输入................................................ ................................................. 14
电话INPUT............................................................................................................. 16
PCBEEP输入........................................................................................................... 17
AUDIO ADC..........................................................................................................18
记录选择................................................ ................................................. 19
记录GAIN............................................................................................................ 20
自动电平控制............................................... ................................... 21
音频DAC .......................................................................................................24
STEREO DAC.............................................................................................................. 24
辅助DAC.......................................................................................................... 27
模拟音频产出............................................... ............................ 28
耳机输出 - HPOUTL和HPOUTR ............................................ ...... 28
耳机扬声器输出 - OUT3 ............................................. .................................. 29
扬声器端口 - LOUT2和ROUT2 ............................................ ........ 30
耳机输出（ MONOOUT ） ............................................. ...................................... 31
热切断................................................ .................................................. .. 31
JACK插入和自动切换............................................ ................... 32
数字音频（ SPDIF ）输出............................................ ................................. 33
调音台........................................................................................................... 34
可变速率音频/采样率转换............................... 36
电池报警................................................ ............................................... 37
工作原理............................................... ....................................... 37
GPIO和中断控制.............................................. ...................... 40
电源管理................................................ ..................................... 43
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PD版本4.1 2004年4月
2
QQ：2880707522 复制
