Datasheet

LTC1664
9
1664fa
operation
D
IN
D
OUT
SCK
CS/LD
A3 A2
INPUT WORD W
0
INPUT CODE DON’T CARE
A1 A0 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
X1 X0
A3 A2 A1 A0 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 X1 X0 A3
1664 F02
16151413121110987654321
(ENABLE SCK) (UPDATE OUTPUT)
ADDRESS/CONTROL
INPUT WORD W
0
INPUT WORD W
–1
Figure 2. LTC1664 Register Loading Sequence
Table 2. DAC Address/Control Functions
ADDRESS/CONTROL
A3 A2 A1 A0 DAC STATUS SLEEP STATUS
0 0 0 0 No Change Wake
0 0 0 1 Load DAC A Wake
0 0 1 0 Load DAC B Wake
0 0 1 1 Load DAC C Wake
0 1 0 0 Load DAC D Wake
0 1 0 1 Reserved
0 1 1 0 Reserved
0 1 1 1 Reserved
1 0 0 0 Reserved
1 0 0 1 Reserved
1 0 1 0 Reserved
1 0 1 1 Reserved
1 1 0 0 Reserved
1 1 0 1 Reserved
1 1 1 0 No Change Sleep
1 1 1 1 Load ALL DACs
with Same
10-Bit Code
Wake