EL5525

FN7393 Rev 2.00

Page 3 of 10

September 21, 2010

Pin Descriptions

PIN NUMBER

PIN NAME

PIN TYPE

PIN DESCRIPTION

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

Input/Output

Oscillator pin for synchronizing

6, 11, 16

VS

Power

Positive supply voltage for analog circuits (4.5V to 16.5V)

7

VSD

Power

Positive power supply for digital circuites (3.3V to 5V)

8, 9, 17

NC

Not connected

10

OSC_SELECT

Oscillator select, “0” = internal, “1” = external

12

REFH

Analog Input

High reference voltage

13

REFL

Analog Input

Low reference voltage

14, 24, 28, 35

GND

Power

Ground

15

CAP

Analog

Decoupling capacitor for internal reference

18

OUTR

Analog Output

Channel R output voltage

19

OUTQ

Analog Output

Channel Q output voltage

20

OUTP

Analog Output

Channel P output voltage

21

OUTO

Analog Output

Channel O output voltage

22

OUTN

Analog Output

Channel N output voltage

23

OUTM

Analog Output

Channel M output voltage

25

OUTL

Analog Output

Channel L output voltage

26

OUTK

Analog Output

Channel K output voltage

27

OUTJ

Analog Output

Channel J output voltage

29

OUTI

Analog Output

Channel I output voltage

30

OUTH

Analog Output

Channel H output voltage

31

OUTG

Analog Output

Channel G output voltage

32

OUTF

Analog Output

Channel F output voltage

33

OUTE

Analog Output

Channel E output voltage

34

OUTD

Analog Output

Channel D output voltage

36

OUTC

Analog Output

Channel C output voltage

37

OUTB

Analog Output

Channel B output voltage

38

OUTA

Analog Output

Channel A output voltage