Datasheet

MAX532
Dual, Serial-Input,
Voltage-Output, 12-Bit MDAC
10 ______________________________________________________________________________________
Figure 6. Daisy-chained or individual MAX532s are simultaneously updated by bringing CS high when using the 3-wire interface
(LDAC = DGND).
SCLK
DIN
CS
TO OTHER 
SERIAL DEVICES
MAX532
SCLK
DIN
CS
DOUT
LDAC
+5V +5V +5V
R
P
R
P
1k
1k
MAX532
SCLK
DIN
CS
DOUT
LDAC
MAX532
SCLK
DIN
CS
DOUT
LDAC
SCLK
DIN
CS
MAX532
SCLK
DIN
CS
LDAC
R
P
1k
Figure 7. Multiple devices sharing a common DIN line may be simultaneously updated by bringing LDAC low. CS1, CS2, CS3, . . .,
are driven separately, thus controlling which data are written to devices 1, 2, 3, . . . .
CS
LDAC
SCLK
DIN
CS
LDAC
SCLK
DIN
MAX532
CS
LDAC
SCLK
DIN
TO OTHER 
SERIAL DEVICES
MAX532
MAX532
DIN
SCLK
LDAC
CS1
CS2
CS3