IC-OG Datasheet, PDF (1/9 Pages) IC-Haus GmbH – 8-BIT DIFFERENTIAL SCANNING OPTO ENCODER

iC-OG
8-BIT DIFFERENTIAL SCANNING OPTO ENCODER
Rev C1, Page 1/9
FEATURES
Ë Monolithic construction with integrated photodiodes ensures
excellent matching and technical reliability
Ë Short track spacing of 600 µm
Ë Elimination of dark currents through differential scanning
Ë Photocurrent amplifier with high cut-off frequency
Ë Comparators with precise signal-related hysteresis
Ë Current-limited push-pull outputs
Ë Adjustable LED current control for constant received power
Ë Integrated power driver for the LED
Ë LED current monitor with error message output
Ë Integrated test aid
Ë Low power consumption from 5V supply voltage
Ë Available as a 20-pin BLCC or as chip
Ë Options: extended temperature range of -40..110 °C,
customized packages, reticle assembly
APPLICATIONS
Ë Optical position decoding using
the principle of differential
scanning
Ë Incremental and absolute
encoder with a resolution of up
to 8 bits
CHIP
3.05mm × 5.1mm
BLOCK DIAGRAM
5V +/- 10%
20 VCC
C1
100nF
R1
27kΩ
7 ISET
6 AGND
1.2V
C2
100nF
1 CSR
DP0 DN0
DP1 DN1
DP2 DN2
DP3 DN3
DP4 DN4
DP5 DN5
DP6 DN6
DP7 DN7
9 TIP
8 TIN
c2
1
TEST
c2
1
12 : 1
LED-CURRENT CONTROL
DDC
AMPLIFIER
MONITOR
VCC
LED 5
NER 10
R2
30Ω
D1
LED
AMPLIFIER
ANALOG
OUTPUT
AMPLIFIER
COMPARATOR PUSH-PULL
IP
OUTPUT
S0 19
IN
NI0 2
TRACK 0
S1 ₁₈
(see TRACK 0)
TRACK 1 ^NI1 3
S2 17
(see TRACK 0)
TRACK 2 ^{NI2 4}
COMPARATOR PUSH-PULL
OUTPUT
S3 16
BIAS
(see TRACK 3)
(see TRACK 3)
(see TRACK 3)
(see TRACK 3)
TRACK 3
S4 15
TRACK 4
S5 14
TRACK 5
S6 13
TRACK 6
S7 12
TRACK 7
iC-OG
BLCC OGC
1.2V
GND 11
R3
10kΩ
ERROR
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