生产数据
WM9090
CHARGE PUMP........................................................................................................... 47
直流伺服.................................................................................................................. 48
直流伺服使能和START-UP ..................................................................................................... 48
直流伺服活动模式.................................................................................................................... 50
直流伺服读回........................................................................................................................... 51
参考电压和主BIAS ............................................. ............. 52
电源管理................................................ ............................................. 53
热关断................................................ .............................................. 55
软件复位和芯片ID ............................................. ................................ 55
注册MAP................................................................................................... 56
寄存器位按地址.............................................. .................................... 58
应用信息................................................ ......................... 74
推荐的外部元件............................................... ............ 74
音频输入通路............................................................................................................................... 75
电源去耦............................................................................................................. 76
耳机输出路径.................................................................................................................. 76
D类扬声器连接...................................................................................................... 77
PCB布线注意事项............................................... ............................... 79
D类LOUDSPEAKER连接.............................................. ................................................ 79
包装尺寸................................................ .................................... 80
重要通知................................................ .......................................... 81
地址： ................................................................................................................... 81
w
PD ， 2010年11月，修订版4.1
3
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
