WM8983GEFL/V 参数 Datasheet PDF下载

生产数据

WM8983

目录

描述....................................................................................................... 1

特点............................................................................................................ 1

应用..................................................................................................... 1

框图................................................ ................................................. 2

目录............................................... .......................................... 3

PIN CONFIGURATION...........................................................................................五

订购信息................................................ .................................. 5

引脚说明................................................ ................................................ 6

绝对最大额定值............................................... .......................... 7

推荐工作条件............................................... ...... 7

电气特性................................................ ...................... 8

术语.......................................................................................................... 13

扬声器输出总谐波失真与功率关系............................................. ......... 14

耗电量................................................ .................................... 16

典型SCENARIOS................................................................................................ 16

AUDIO PATHS概述............................................... ......................................... 17

信号时序要求............................................... ...................... 18

系统时钟时序............................................... ............................................ 18

音频接口时序 - 主模式............................................ ............ 18

音频接口时序 - 从模式............................................ ................ 19

控制接口时序 - 3线模式.......................................... ........... 20

控制接口时序 - 2线模式.......................................... ........... 21

内部上电复位电路............................................. ............. 22

推荐的上电/掉电序列............................................ ....... 24

推荐的L / ROUT1使能序列............................................ ........ 27

设备描述................................................ ....................................... 28

介绍......................................................................................................... 28

输入信号路径............................................... ..................................................三十

模拟数字转换器（ ADC） ........................................... ............... 39

输入限制器/自动电平控制（ ALC ） ......................................... .. 44

限制器模式........................................................................................................... 47

输出信号路径............................................... .............................................. 56

3D立体声增强............................................... ..................................... 63

ANALOGUE产出................................................ ............................................... 63

数字音频接口............................................... .................................... 80

音频采样率............................................... .............................................. 86

主时钟，锁相环（ PLL ） ......................................... ...... 86

扩............................................................................................................ 89

通用输入/输出............................................. ......................... 91

输出开关（插孔检测） ............................................ ......................... 91

控制接口................................................ .............................................. 93

复位芯片............................................... ............................................... 94

电源SUPPLIES..................................................................................................... 94

电源MANAGEMENT............................................................................................. 94

寄存器映射................................................ .................................................. 96

寄存器位按地址.............................................. .................................... 98

数字滤波器特性............................................... .............. 115

术语........................................................................................................ 115

DAC，滤波器响应............................................... ........................................ 116

ADC滤波器响应............................................... ........................................ 116

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PD ，版本4.3 ， 2010年5月

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