Datasheet

MAX536/MAX537
Calibrated, Quad, 12-Bit
Voltage-Output DACs with Serial Interface
______________________________________________________________________________________ 17
DIN
CS
TO OTHER
SERIAL DEVICES
MAX536
MAX537
SCK
SDI
CS
SDO
+5V +5V +5V
R
P
*
1kΩ
MAX536
MAX537
SCK
SDI
CS
SDO
MAX536
MAX537
SCK
SDI
CS
SDO
R
P
*
1kΩ
R
P
*
1kΩ
* THE MAX537 HAS AN ACTIVE INTERNAL PULLUP, SO R
P
IS NOT NECESSARY.
SCK
Figure 8. Daisy-Chaining MAX536/MAX537s with a 3-Wire Serial Interface
TO OTHER
SERIAL DEVICES
MAX536
MAX537
SDI
SCK
LDAC
CS
MAX536
MAX537
SDI
SCK
LDAC
CS
MAX536
MAX537
SDI
SCK
LDAC
CS
DIN
SCK
LDAC
CS1
CS2
CS3
Figure 9. 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…