Datasheet

MAX535/MAX5351
Low-Power, 13-Bit Voltage-Output DACs
with Serial Interface
______________________________________________________________________________________ 11
CS
SCLK
DIN
COMMAND
EXECUTED
9
8
16
1
C1
C2 D0
C0
D12
D11
D10
D9 D6 D5 D4 D3 D2 D1D8 D7
Figure 5. Serial-Interface Timing Diagram
Figure 6. Detailed Serial-Interface Timing Diagram
Table 1. Serial-Interface Programming Commands
“X” = Don’t care
XXXXXXXXXXXXX
XXXXXXXXXXXXX
13 bits of data
13 bits of data
XXXXXXXXXXXXX
Shutdown
Update DAC register from input register (also exit shutdown; recall previ-
ous state).
C2 C1 C0
Load input register; DAC register unchanged.
FUNCTION
D12............................D0
MSB LSB
Load input register; DAC register immediately updated (also exit shutdown).
No operation (NOP)
11 1
X1 0
X0 1
X0 0
01 1
16-BIT SERIAL WORD
SCLK
DIN
t
CSO
t
CSS
t
CL
t
CH
t
CP
t
CSW
t
CS1
t
CSH
t
DS
t
DH
CS