Pin description max5530 functional diagram – Rainbow Electronics MAX5531 User 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.