
MAX5530/MAX5531
Ultra-Low-Power, 12-Bit,
Voltage-Output DACs
______________________________________________________________________________________ 11
12-BIT DAC
DAC
REGISTER
OUT
REFIN
GND
MAX5530
INPUT
REGISTER
POWER-
DOWN
CONTROL
CONTROL
LOGIC
AND
SHIFT
REGISTER
FB
SCLK
V
DD
DIN
CS
Pin Description
MAX5530 Functional Diagram
MAX5531
NAME FUNCTION
11CS Active-Low Digital-Input Chip Select
22SCLK Serial-Interface Clock
33DIN Serial-Interface Data Input
4—REFIN Reference Input
—4REFOUT Reference Output
5, 6, 7, 11
N.C. No Connection. Leave N.C. inputs unconnected (floating) or connected to GND.
88V
DD
Power Input. Connect V
DD
to a 1.8V to 5.5V power supply. Bypass V
DD
to GND with
a 0.1µF capacitor.
99GND Ground
10 10 OUT Analog Voltage Output
12 12 FB Feedback Input
EP EP
Exposed
Paddle
Exposed Paddle. Connect EP to GND.
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