iC-OW

INCREMENTAL OPTO ENCODER

Rev A1, Page 1/7

B -

A+

B+

A -

Z

chip size 4.02mm x 3.24mm

FEATURES

APPLICATIONS

° Monolithically integrated photodiodes

° Excellent matching, high reliability

° Differential scanning for tracks A and B

° Adjustable threshold for index track Z

° Gated index Z with switch-off capability

° Adjustable LED current control compensates for temperature

and system ageing effects

° 50mA LED driver integrated

° Control monitoring with alarm output

° Electronic test aids

° Track outputs TTL-compatible and short-circuit-proof

° ESD protection

° Optical position decoding for

incremental encoders using the

principle of differential scanning

CHIP

BLOCK DIAGRAM

© 2001

iC-Haus GmbH

Tel

+49-6135-9292-0

Integrated Circuits

Fax +49-6135-9292-192

Am Kuemmerling 18, D-55294 Bodenheim

http://www.ichaus.com

DPB

DNA

DZ

DPA

DNB

ILR

IZ

LED

NERR

NTEST

TIN

TIP

VCC

Z

A

AGND

B

CLR

GND

+5V

OUT_A

NERR

OUT_B

OUT_Z

+5V

RLR

15k

Ω

iC-OW

DRIVER

LED-

LED-CURRENT CONTROL

ERROR

TRACK A

TRACK B

TRACK Z

LED

CLR

10nF

15k

Ω

RZ

68

Ω

RLED

100nF

CLR

TEST