iC-OW
INCREMENTAL OPTO ENCODER
Rev A1, Page 1/7
FEATURES
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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
APPLICATIONS
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Optical position decoding for
incremental encoders using the
principle of differential scanning
CHIP
A+
B-
B+
A-
Z
chip size 4.02mm x 3.24mm
BLOCK DIAGRAM
+5V
VCC
CLR
100nF
CODE DISC
A
DPA
DPB
TRACK A
OUT_A
+5V
LED
DNB
DNA
TRACK B
B
OUT_B
RETICLE
RLED
68Ω
iC-OW
DZ
Z
TRACK Z
TIP
LED-
TIN
NTEST
TEST
ERROR
OUT_Z
NERR
NERR
LED
DRIVER
GND
LED-CURRENT CONTROL
CLR
CLR
10nF
ILR
RLR
15kΩ
IZ
RZ
15kΩ
AGND
© 2001
iC-Haus GmbH
Integrated Circuits
Am Kuemmerling 18, D-55294 Bodenheim
Tel +49-6135-9292-0
Fax +49-6135-9292-192
http://www.ichaus.com
ICHAUS [ IC-HAUS GMBH ]
