Sharp GP2A22, GP2A20 Datasheet
GP2A20/GP2A22
GP2A20/GP2A22
Light Modulation, Long Focal
Distance Type OPIC
Photointerrupter
■ Features
1. Light modulation type, free from external
disturbing light
2. Long focal distance type
Detecting range
(GP2A20: 3 to 7mm
(GP2A22: 9 to 15mm
)
)
3. Capable of TTL direct connection
4. With 3-pin connector provided for easier
interface with peripheral control circuit
■ Applications
1. Copiers
2. Laser beam printers
3. Facsimiles
■ Line-ups
Detecting range
3 to 7mm
Model No. GP2A20 GP2A22
9 to 15mm
❈
(
Unit : mm
1 V
CC
2 V
O
3 GND
(
2.5
2
3
2.0
)
φ 3.0
■ Outline Dimensions
Internal connection diagram
7.0
3.5
9.6
4.0
11.0
3.5
∗Unspecified tolerances shall be as follows;
Dimensions(d
6.0<=d<14.0 ± 0.3
14<=d ± 0.4
∗( ): Reference dimensions
Marking:
GP2A20
*“ OPIC ” (Optical IC) is a trademark of the SHARP Corporation.
An OPIC consists of a light-detecting element and signal processing circuit integrated onto a single chip.
33.0
26.5
)
Tolerance
d<6.0 ±0.2
GP2A22
Lot No.
Amp.
Comparator
Voltage regulator
Demodulator circuit
1
2
3
Synchronous detection
Oscillator
R4.0
Resin sealed
11.0
Lot No.
Marking on the side
3-φ3.2
3.0
❈ MOLEX JAPAN CO.,
LTD made
3- pin connector
52135 - 0350
Housing SD-51030-0310
Terminal SD-50084-8100
)
(
)
2.5
1
3.5
+ 0
- 0.2
■ Absolute Maximum Ratings
(
Ta= 25˚C
)
Parameter Symbol Rating Unit
Supply voltage V
∗1
Output voltage V
∗
2
Low level output current
∗3
Operating temperature T
∗3
Storage temperature
∗1 Collector-emitter voltage of output transistor
∗2 Collector current of output transistor
∗3 The connector should be plugged in/out at normal temperature.
“ In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs,
data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device.”
CC
O
I
OL
opr
T
stg
- 0.5 to 7 V
30 V
50 mA
- 10 to + 60
- 20 to + 80
˚C
˚C
GP2A20/GP2A22
■ Electro - optical Characteristics
Parameter Symbol
Operating supply voltage V
Dissipation current
Low level output voltage V
High level output voltage V
Non-detecting
distance
Minimum detecting
distance
Maximum detecting
distance
Response
time
∗4 Test Condition for Dissipation Current (Peak
Pulse Value
)
Peak pulse value I
Smoothing value I
GP2A20
GP2A22
GP2A20
GP2A20
GP2A22
GP2A22
GP2A20
GP2A22
GP2A20
GP2A20
GP2A22
GP2A22
GP2A20
“High→Low”
propagation delay time
“Low→High”
propagation delay time
GP2A22
(
= 5V, Ta= 25˚C
V
CC
Conditions
CC
∗4
r=1Ω
ccp
=
R
CC
L
= 16mA at detecting time
I
OL
OL
=1kΩ at non-detecting time
R
OH
L
∗5
LHL
Reflective object:
L
Kodak 90% reflective paper
Reflective object:∗5Chloroprene rubber
Reflective object:∗5Artwork tape
∗5
L
Reflective object:
HLS
Reflective object:∗5Black paper
∗5
Reflective object:
Kodak 90% reflective paper
OHP paper, θ
= 5deg.(X,Y direction
Reflective object:∗5Artwork tape
∗5
L
t
t
Reflective object:
HLL
Reflective object:∗5Black paper
∗5
Reflective object: OHP paper,
PHL
∗6
PLH
Kodak 90% reflective paper
= 5deg.(X,Y direction
θ
MIN. TYP. MAX. Unit
4.75 - 5.25 V
-- mA
-- mA
- - 0.4 V
4.5 - - V
--20
-- mm50
--25
- - 3.0
--
--
- - 9.0
--
)
--
7.0 - -
9.0
17.0
15.0 - -
7.0
)
15.0
--
--
--
--
--1ms
--1ms
150
30
1.0
7.0
3.0
9.0
)
mm
mm
∗5 Test Condition for Detecting Distance
Characteristics
GP2A20/
GP2A22
t
W
r = 1Ω
V
t
P
VCC= 5V
= 1kΩ
R
L
V
O
GND
I
t
t
CCP
W
P
= Vr/1 Ω
(
TYP.)= 8µs
(
TYP.)= 130µs
∗6 Test Condition for Response Time
Reflective
object: Kodak 90 % reflective paper
Detection
surface
L
GP2A20/
GP2A22
R
= 1kΩ
L
V
CC
V
OUT
GND
V
= 5V
r
V
out
Waveform
Detection
surface
GP2A20/
GP2A22
With reflective object
Without reflective object
t
PHL
t
PLH
Reflective
object
OHP paper
V
OH
1.5V
V
OL
θ =± 5deg.
(
GP2A20
(
GP2A22
Output signal (with pull-up resistor
V
OH
V
OL
L
LHSLHLS
)
)
)
L
L
HLL
LHL
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