Rainbow Electronics MAX5531 - Manual (Page 11)

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
PIN
MAX5530 MAX5531
NAME FUNCTION
1 1 CS Active-Low Digital-Input Chip Select
2 2 SCLK Serial-Interface Clock
3 3 DIN Serial-Interface Data Input
4 — REFIN Reference Input
— 4 REFOUT Reference Output
5, 6, 7, 11 5, 6, 7, 11 N.C. No Connection. Leave N.C. inputs unconnected (floating) or connected to GND.
8 8 V 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.
9 9 GND Ground
10 10 OUT Analog Voltage Output
12 12 FB Feedback Input
EP EP
Exposed
Paddle
Exposed Paddle. Connect EP to GND.