3

Pin Descriptions

EL5325A

PIN NAME

PIN TYPE

PIN FUNCTION

1ENA

Logic Input

Chip select, low enables data input to logic

2

SDI

Logic Input

Serial data input

3

SCLK

Logic Input

Serial data clock

4

SDO

Logic Output

Serial data output

5

EXT_OSC

Logic Input/Output

External oscillator input or internal oscillator output

6, 11

VS+

Analog Power

Positive supply voltage for analog circuits

7

SHDN

Logic Input

Chip shutdown: float enables chip, high > 2V disables chip

8

VSD

Digital Power

Positive power supply for digital circuits (3.3V - 5V)

9

REFH

Analog Reference Input

High reference voltage

10

REFL

Analog Reference Input

Low reference voltage

12

GND

Ground

Ground

13

CAP

Analog Bypass Pin

Decoupling capacitor for internal reference generator, 0.1µF

14

NC

Not connected

17

OUTJ

Analog Output

Channel J programmable output voltage

19

OUTI

Analog Output

Channel I programmable output voltage

20

OUTH

Analog Output

Channel H programmable output voltage

21

OUTG

Analog Output

Channel G programmable output voltage

22

OUTF

Analog Output

Channel F programmable output voltage

23

OUTE

Analog Output

Channel E programmable output voltage

24

OUTD

Analog Output

Channel D programmable output voltage

26

OUTC

Analog Output

Channel C programmable output voltage

27

OUTB

Analog Output

Channel B programmable output voltage

28

OUTA

Analog Output

Channel A programmable output voltage

15

OUTL

Analog Output

Channel L programmable output voltage

16

OUTK

Analog Output

Channel K programmable output voltage

18, 25

GND

Power

Ground

EL5325A