
HAMAMATSU PHOTONICS K.K., Solid State Division
1126-1 Ichino-cho,
Higashi-ku, Hamamatsu City, 435-8558 Japan, Telephone: (81) 53-434-3311, Fax: (81) 53-434-5184, http://www.hamamatsu.com
U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658
France: Hamamatsu Photonics France S.A.R.L.:
19, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777
North Europe: Hamamatsu Photonics Norden AB: Smidesvgen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01
Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions.
Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. 2001 Hamamatsu Photonics K.K.
Photo IC for encoder
S4506
Cat. No. KPIC1004E02
Aug. 2001 DN
5.2 ± 0.3
(INCLUDING BURR)
CENTER OF
ACTIVE AREA
5.2
±
0.3
(INCLUDING
BURR)
(SPECIFIED AT THE LEAD ROOT)
PHOTOSENSITIVE
SURFACE
VOA
Vcc
GND
VOB
2.0
(DEPTH 0.15 MAX.)
1.0
(DEPTH 0.15 MAX.)
2.5 ± 0.2
5.0
2.5
±
0.2
5.0
16.5
±
1.0
(0.8)
(1.0)
(1.27) (1.27) (1.27)
10
5
0.7
±
0.15
10
5
0.25
+0.15
-0.1
0.55
0.45
1.0
2.0
Tolerance unless otherwise
noted: ±0.1, ±2
Shaded area indicates burr.
Values in parentheses are not
guaranteed, but for reference
s Block diagram
KPICA0016EB
s Dimensional outline (unit: mm)
KPICC0012EC
s Details of photodiodes (unit: mm)
KPICC0013ED
s Recommended slit (unit: mm)
KPICC0014EB
s Operation timing diagram
Outputs VOA and VOB change as shown when the slit is
moved to the right at a constant speed from the position
shown on the left figure.
KPICC0015EC
-
+
-
VOA
PD 1
P1
VOB
PD 3
GND
PD 2
PD 4
I2
I4
I1
I3
Vcc
P2
P3
P4
PHOTODIODE
PRE-AMPLIFIER HYSTERESIS
COMPARATOR
OUTPUT CIRCUIT
CONSTANT
VOLTAGE CIRCUIT
INPUT
OUTPUT
VOA
VOB
L
H
L
H
L
H
P1 < P3
P1 > P3
P2 > P4
P2 < P4
P2 > P4
P2 < P4
RECOMMENDED
SLIT HOLE *
0.31
0.41
PD 1
PD 2
PD 3
PD 4
* Recommended slit holes for uniform collimated light
1.56
0.78
0.39
1.56
0.78
SLIT
ACTIVE
AREA
LIGHT SOURCE: COLLIMATED LIGHT LED
tBH
tBP
tAH
tAP
Position on
left figure
VOB
VOA
"L"
"H"
PHASE
θ B=360
PHASE
DIFFERENCE
θ AB
PHASE
θ A=360
DUTY RATIO DA =
tAH
tAP
DUTY RATIO DB =
tBH
tBP
× 100
2