CS5373A

8.1 VREF电源........................................................................................................ 31

8.2 VREF RC滤波器................................................................................................................ 31

8.3 VREF PCB路由......................................................................................................... 31

8.4 VREF输入阻抗.............................................. .................................................. ... 31

8.5 VREF准确度............................................................................................................... 32

8.6独立VREF ....................................................................................................... 32

9.电源用品................................................................................................................ 33

9.1电源旁路.............................................. .................................................. 33

9.2 PCB层和路由............................................. .................................................. .. 33

9.3电源抑制.............................................. .................................................. .. 33

9.4 SCR闩锁.................................................................................................................. 34

9.5 DC- DC转换器.......................................................................................................... 34

10.术语................................................................................................................... 35

11引脚说明............................................................................................................... 36

12.包装尺寸.............................................. .................................................. .... 38

13.订购信息.............................................. ................................................. 39

14.环境，制造， &处理信息.......................... 39

15.修订历史........................................................................................................... 40

图列表

图1：调制器噪声性能............................................ ............................................. 9

图2.调制器+测试DAC的动态性能......................................... ........................ 9

图3.数字输入上升和下降时间......................................... .......................................... 15

图4.系统定时Diagram................................................................................................. 17

图5. MCLK /则msync时序详细.......................................... ............................................. 17

图6. CS5373A框图............................................ .................................................. 19

图8.连接图...................................................................................................... 20

图7.系统图............................................................................................................ 20

图9.电源模式图............................................ .................................................. ...... 21

图10. AC差分模式............................................ .................................................. .... 23

图11. AC共模...................................................................................................... 24

图12.直流测试模式............................................................................................................ 25

图13.数字信号.............................................................................................................. 26

图14.模拟信号............................................................................................................. 28

图15. DAC输出衰减设置........................................... ..................................... 29

图16.电压基准电路............................................ ................................................ 31

图17.电源图............................................ .................................................. .. 33

表格清单

表1为选择操作模式和DAC衰减........................................ ............ 4

表2.操作Modes.......................................................................................................... 22

表3.输出编码为CS5373A调制器和CS5378数字滤波器结合...... 22

DS703F1

3