Datasheet

S0
MAX5352/MAX5353
Low-Power, 12-Bit Voltage-Output DACs
with Serial Interface
______________________________________________________________________________________ 11
CS
SCLK
DIN
COMMAND
EXECUTED
9
8
16
1
C1
C2 S0
C0
D11
D10
D9
D8 D5 D4 D3 D2 D1 D0D7 D6
Figure 5. Serial-Interface Timing Diagram
Figure 6. Detailed Serial-Interface Timing Diagram
Table 1. Serial-Interface Programming Commands
“X” = Don’t care
SCLK
DIN
t
CSO
t
CSS
t
CL
t
CH
t
CP
t
CSW
t
CS1
t
CSH
t
DS
t
DH
CS
16-BIT SERIAL WORD
0 1 1
X 0 0
X 0 1
X 1 0
1 1 1
No operation (NOP)
Load input register; DAC register immediately updated (also exit shutdown).
D11...............D0
MSB LSB
FUNCTION
Load input register; DAC register unchanged.
C2 C1 C0
Update DAC register from input register (also exit shutdown; recall previ-
ous state).
Shutdown
XXXXXXXXXXXX
12 bits of data
12 bits of data
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XXXXXXXXXXXX
S0
0
0
X
X
X