Photointerrupters(Transmissive)
K O D E N S
D G - 2 9 0
DIMENSIONS
(Unit : mm)
The DG– 290 carrying a unique hysteresis transistor
(BAMBIT)developed by KODENSHI CORP.facililates
d ig ita l o utp ut b ym e a n s o f two le a d s . This d ig ita l
p ho to in te rrup te r, b e c a us e o f its ultra – c o m p a c t
size,requires little space.
FEATURES
• DIGITAL OUTPUT : directly connect to a microcomputer
digital port.
• HYSTERESIS : stable against chattering of the object
• H I G–HSPEED RESPONSE:faster than phototransistor
t y p e
• Setting easy
APPLICATIONS
• C D– ROM drive
• Sensor of camera lens position
• Encoder of printer or scanner
MAXIMUM RATINGS
( T a = ℃2)5
I t e m
Power dissipation
Forward current
Reverse voltage
Pulse forward current *
Collector current
C- E voltage
S y m bRoal t i n g U n i t
D
P
7 5
m W
m A
V
F
I
5 0
I n p u t
R
V
5
1
F
P
A
I
1
c
I
0 . 5
m A
V
O u t p u t
C
E
C
O
O
V
1 0
E
E- C voltage
Operating temp.*
V
0 . 3
V
2
T o p r .
T s o l .
-
2 5 ~ + 8 0
2 6 0
℃
3
Soldering temp.*
℃
*1. pulse width
*2. No icebound or dew
100 μsec.period T= 10msec.
*3. For MAX.5 seconds at the position of 1mm from the package
ELECTRO-OPTICAL CHARACTERISTICS
( T a = ℃2 )5
I t e m
S y m b o l
C o n d i t i o n s
T yMp i. n .
M a x .
F
F
Forward voltage
Reverse current
Peak wavelength
1 . 2
V
I
I = 2 0 m A
V = 5 V
1 . 4
1 0
V
R
R
μ A
n m
V
V
V
I n p u t
I n p u t
F
9 4 0
λ p
C
I = 2 0 m A
C
Operating supply voltage rang
Low level output voltage
High level output voltage
Peak wavelength
V
V
V
5 . 5
0 . 4
2 . 0
2 . 5
O
L
C
C
F
E
0 . 2 5
2 . 6 5
8 8 0
6 . 0
0 . 8 5
1 0
2 5
2 . 5
1 5
V
V
=
3 V ,=I 0 m A ,=R100k Ω
3 V ,=I 1 4 m A =, 1R00k Ω
O
H
C
C
F
E
=
λp
L
n m
m A
Threshold input current *
4
F
H
CC
E
I
V
= 3V,R = 100kΩ
= 3V,R = 100kΩ
1 2 . 0
*
5
F
I
H
L
F
L
H
CC
V
E
Hysteresis
/ I
T r a n s m i s s o n
P
L
H
L →H propagation time
H →L propagation time
Rise time
t
t
μ s e c .
μ s e c .
μ s e c .
μ s e c .
P
H
L
C
C
F
E
V
= 3 V ,=I 1 4 m A =, 1R00k Ω
t r
t r
Fall time
*4. IFLH represents forward current when output changes from low to high.
*5. IFHL represents forward current when output changes from high to low.
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