12

®

DAC716

FIGURE 9a. Cascaded Serial Bus Connection with Asynchronous Update.

FIGURE 9b. Timing Diagram For Figure 9a.

F E D C B A 9876 5 4

32

1 0 F E D C B A 98765 4 3

2 1

0 F E D C B A 9 876 543 2 1

0

Update

DAC 3

DAC 2

DAC 1

Data Latch

Data

SDI

A0

A1

CLK

CLR

DAC716

DAC 1

DAC716

DAC 2

DAC716

DAC 3

SDO

Data

Data Latch

Up Date

4

2

3

1

16

+5V

SDI

A0

A1

CLK

CLR

SDO

4

2

3

1

16

+5V

SDI

A0

A1

CLK

CLR

SDO

4

2

3

1

16

+5V

5

5

5

To other DACs