CS4954 CS4955

7.4.5绿色DAC ....................................................................................................................... 33

7.4.6蓝DAC .......................................................................................................................... 33

7.4.7 DAC巧用规则........................................................................................................... 34

8.编程................................................................................................................................... 34

8.1

主机控制接口.................................................................................................................. 34

8.1.1 IC接口................................................................................................................... 34

8.1.2 8位并行接口....................................................................................................... 35

8.2

注册说明.................................................................................................................... 36

8.2.1控制寄存器.............................................................................................................. 36

9.电路板设计和布线注意事项........................................... .............................. 53

9.1

电源和地平面.......................................................................................................... 53

9.2

电源去耦........................................................................................................... 53

9.3

数字互连...................................................................................................................... 53

9.4

模拟互连..................................................................................................................... 53

9.5

模拟量输出保护............................................................................................................ 54

9.6

ESD保护............................................................................................................................ 54

9.7

外部DAC输出滤波器.......................................................................................................... 54

10引脚说明............................................................................................................................... 56

11.封装图........................................................................................................................... 58

12.修订历史............................................................................................................................. 59

4

DS278F6