WM8758CBGEFL/RV 参数 Datasheet PDF下载

WM8758B

目录

生产数据

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

框图................................................ ................................................ 1

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

APPLICATIONS..................................................................................................... 1

目录............................................... .......................................... 2

引脚配置................................................ .......................................... 4

订购信息................................................ .................................. 4

引脚说明................................................ ................................................ 5

推荐工作条件............................................... ...... 6

电气特性................................................ ..................... 7

术语............................................................................................................ 12

耳机输出性能............................................... ........... 13

耗电量................................................ .................................... 14

AUDIO PATHS概述............................................... ................................. 15

信号时序要求............................................... ..................... 16

系统时钟时序............................................... .............................................. 16

音频接口时序 - 主模式............................................ .............. 16

音频接口时序 - 从模式............................................ ................. 17

控制接口时序 - 3线模式.......................................... ............ 18

控制接口时序 - 2线模式.......................................... ............ 19

内部上电复位电路............................................. ............. 20

推荐的上电/掉电序列............................................ ........ 22

设备描述................................................ ...................................... 25

引言........................................................................................................... 25

输入信号路径............................................... .................................................. .. 26

模拟数字转换器（ ADC） ........................................... ................ 33

输入限制器/自动电平控制（ ALC ） ......................................... ... 37

输出信号路径............................................... ................................................ 42

3D立体声增强............................................... ....................................... 49

ANALOGUE产出................................................ ................................................. 49

数字音频接口............................................... ...................................... 61

音频采样率............................................... ................................................ 68

主时钟，锁相环（ PLL ） ......................................... ....... 68

通用输入/输出............................................. ........................... 70

输出开关（插孔检测） ............................................ ........................... 72

控制接口................................................ ................................................ 73

复位芯片............................................... ................................................. 74

电源SUPPLIES....................................................................................................... 75

电源管理................................................ .............................................. 75

POP MINIMISATION ..................................................................................................... 77

寄存器映射................................................ .................................................. 78

数字滤波器特性............................................... ............... 80

术语............................................................................................................ 80

DAC，滤波器响应............................................... ........................................... 81

ADC滤波器响应............................................... ........................................... 81

高通滤波器....................................................................................................... 82

5 - BAND EQUALISER .............................................. .................................................. .... 83

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PD ，版本4.4 ， 2012年1月

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