LTC1654
U
OPERATIO
Table 1.
ADDRESS (n)
CONTROL
A3 A2 A1 A0
C3 C2 C1 C0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
DAC A
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
Load Input Register n
DAC B
Update (Power-Up) DAC Register n
Load Input Register n, Update (Power-Up) All
Load and Update n
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Both DACs
Power Down n
Fast n (Speed States are Maintained Even If DAC is
Put in Power-Down Mode)
0
1
1
0
Slow n (Default State is Slow When Supplies are
Powered Up)
0
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
1
0
0
1
1
0
0
1
1
1
0
1
0
1
0
1
0
1
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
Reserved (Do Not Use)
No Operation
INPUT WORD
CONTROL
ADDRESS
DATA (14 + 2 DON'T CARE LSBs)
D6
A3 A2
A0
D12
C3
C1
A1
D13
D11 D10 D9 D8
D5 D4 D3 D2 D1
D0
X
X
1654 TABLE
D7
C2
C0
1654fb
10
Linear [ Linear ]
