IS485 - Digi-Key

IS485/IS486
Bulit-in Amp. Type
OPIC Light Detector
IS485/IS486
■ Features
■ Outline Dimensions
1. Built-in schmidt trigger circuit
2. High sensitivity( E V : MAX. 35rx at Ta=
25˚C )
3. A wide range of operating supply voltage
( VCC: 4.5 to 17V)
4. LSTTL and TTL compatible output
5. Low level output under incident light
(IS485 )
High level output under incident light
( IS486 )
6. Compact package
( Unit : mm )
Internal connection diagram
IS485
IS486
Voltage regulator
Voltage regulator
3
15kΩ
3
15kΩ
2
2
1
1
Amp.
1.5
0.75
MAX.
0.3
Gate burr
1.15
4˚
4˚
0.15
2 - 0.8
1.6
16.5 ± 1.0
+
18.0 - 1.5
1.0
4˚
60
˚
3-0.4 +- 0.3
0.1
+
3 -0.45 - 0.3
0.1
■ Applications
1. Floppy disk drive units
2. Copiers, printers, facsimiles
3. VCRs, cassette decks
4. Automatic vending machines
1.27
1.27
1.27
1.6
6˚
6˚
6˚
6˚
1
3
6˚
6˚
1 GND
2 VO
3 V CC
2
2.8
* “ OPIC ” ( Optical IC ) is a trademark of the SHARP Corporation.
An OPIC consists of a light-detecting element and signalprocessing circuit integrated onto a single chip.
* Unspecified tolerance shall be ± 0.2mm.
■ Absolute Maximum Ratings
Parameter
Supply voltage
Output current
Power dissipation
Operating temperature
Storage temperature
*1
Soldering temperature
Symbol
V CC
Io
P
T opr
T stg
T sol
( Ta= 25˚C )
Rating
- 0.5 to + 17
50
175
- 25 to + 85
- 40 to + 100
260
1.4
4.0
4˚ R0.5
2.6
3.0
Rugged resin
0.8 MAX.
2-C0.5
Amp.
Unit
V
mA
mW
˚C
˚C
˚C
*1 For 5 seconds at the position of 1.4mm from the bottom face of package.
“ 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. ”
IS485/IS486
■ Electro-optical Characteristics
Parameter
Low level output voltage
High level output voltage
Low level supply current
High level supply current
( Unless otherwise specified Ta= 0 to 70˚C, Vcc= 5V )
Symbol
V OL
V OH
I CCL
I CCH
IS485
*4
“ High”→ “ Low”
threshold illuminance
E VHL
IS486
*5
Ta = 25˚C
IS485
“ Low”→ “ High”
threshold illuminance
E VLH
IS486
*6
Hysteresis
“ High”→ “ Low”
propagation delay time
Response
time
“ Low”→ “ High”
propagation delay time
IS485
IS486
IS485
IS486
IS485
IS486
Conditions
I OL = 16mA, *2
*3
*2
*3
Ta = 25˚C
Ta = 25˚C
Ta = 25˚C
-
E VLH /E VHL
E VHL /E VLH
Ta = 25˚C
t PHL
Ta = 25˚C
Ev = 50lx
R L = 280Ω
t PLH
Rise time
Fall time
tr
tf
MIN.
3.5
1.5
1
1.5
1
-
TYP.
0.15
1.7
0.7
15
10
10
15
-
MAX.
0.4
3.8
2.2
35
50
35
50
Unit
V
V
mA
mA
0.50
0.65
0.90
-
-
3
9
-
5
15
-
5
15
-
3
0.1
0.05
9
0.5
0.5
*2 Defines EV = 50l x (IS485 ) and E V = 0 (IS486 ) .
*3 Defines EV = 0 (IS485) and E V = 50l x (IS486 ) .
*4 E VHL represents illuminance by CIE standard light source A( tungsten lamp ) when output changes from high
to low.
*5 E VLH represents illuminance by CIE standard light source A( tungsten lamp ) when output changes from low
to high.
*6 Hysteresis stands for EVLH /E VHL (IS485 ) and E VHL /E VLH ( IS486 ) .
■ Recommended Operating Conditions
Parameter
Supply voltage
Low level output current
Symbol
V CC
I OL
MIN.
4.5
-
MAX.
17
16
( Ta= 0 to 70˚C )
Unit
V
mA
In order to stabilize power supply line, connect a by-pass capacitor of 0.01µ F or more between VCC and GND near
the device.
lx
lx
µs
IS485/IS486
Fig. 2 Power Dissipation vs.
Ambient Temperature
60
300
50
250
Power dissipation P ( mW )
Low level output voltage I OL ( mA )
Fig. 1 Low Level Output Current vs.
Ambient Temperature
40
30
20
200
175
150
100
50
10
0
- 25
0
25
50
75 85
0
- 25
100
0
Ambient temperature Ta ( ˚C )
Fig. 3 Relative Threshold Illuminance vs.
Supply Voltage
75 85
100
1
1
0.9
0.8
0.7
2
0.6
Low level output voltage V OL ( V )
T a = 25˚C 1 E VHL ( IS485 ) 2 E VLH ( IS485 )
E VLH ( IS486 ) E VHL( IS486 )
1.0
Relative threshold illuminance
50
Fig. 4 Low Level Output Voltage vs.
Low Level Output Current
1.1
0
5
10
15
V CC = 5V T a = 25˚C
E v = 50 lx ( IS485 )
( IS486 )
E v= 0
0.5
0.2
0.1
0.05
0.02
E VHL( IS485 ) , E VLH ( IS486 ) = 1
at Vcc = 5V
0.5
0.01
1
20
Supply voltage V cc ( V )
5
2
10
20
Low level output current I
Fig. 5 Low Level Output Voltage vs.
Ambient Temperature
50
OL
3.0
Ev = 50 lx ( IS485 )
( IS485 )
Ev = 0
VCC =
5V
2.5
0.4
2.0
Supply current I CC ( mA )
0.5
0.3
I OL = 30mA
0.2
16mA
0.1
V CC = 17V
10V
1.5
5V
0
25
50
75
Ambiment temperature Ta ( ˚C)
I CCL
1.0
V CC = 17V
10V
0.5
I CCH
5V
5mA
0
- 25
100
( mA )
Fig. 6 Supply Current vs.
Ambient Temperature
0.6
Low level output voltage VOL ( V )
25
Ambient temperature Ta ( ˚C )
100
0
- 25
0
25
50
75
Ambient temperature T a ( ˚C )
100
IS485/IS486
Fig. 7 Propagation Delay Time vs.
Illuminance
Fig. 8 Rise Time, Fall Time vs.
Load Resistance
0.8
12
VCC = 5V
RL= 280Ω
T a = 25˚C
VCC = 5V
E V = 50 lx
0.7
1
T a = 25˚C
Rise time,fall time t ( µ s )
µ s)
9
Propagation delay time t PLH , t
10
PHL(
11
8
7
6
5
4
3
0.6
0.5
0.4
tr
0.3
0.2
2
2
0.1
1 t PLH ( IS485 ) 2 t PHL ( IS485 )
t PLH ( IS486 )
t PHL ( IS486 )
1
0
0
100
200
300
Illuminance E
V
400
( lx )
tf
0
500
( IS485 )
Test Circuit for Response Time
0.1 0.2
600
0.5
10
1
2
5
Load resistance R L ( k Ω )
20
( IS486 )
Test Circuit for Response Time
Voltage regulator
Voltage regulator
Vcc = 5V
Input
Vcc = 5V
Input
15k Ω
10k Ω
RL
t r = tf = 0.01 µ s
Zo = 50 Ω
Output
47 Ω
Input
47 Ω
50%
Output
0.01 µ F
Amp.
50%
Input
tPLH
tPLH
tPHL
VOH
90%
90%
Output
Output
10% 1.5V
-10˚
tr
0
( T a = 25˚C )
+10˚
100
Relative sensitivity (%)
- 60˚
80
60
40
90
+30˚
+40˚
+50˚
+60˚
20
+70˚
- 70˚
+80˚
- 80˚
+90˚
- 90˚
0
Angular displacement θ
● Please refer to the chapter “Precautions for Use.”
T a = 25˚C
80
Relative sensitivity (%)
- 30˚
- 50˚
10%
VOL
Fig.10 Spectral Sensitivity
+20˚
100
- 40˚
tf
VOH
1.5V
tf
tr
Fig. 9 Sensitivity Diagram
- 20˚
RL
t r = tf = 0.01 µ s
Zo = 50 Ω
0.01 µ F
Amp.
tPHL
50
70
60
50
40
30
20
10
0
400 500 600 700 800 900 1000 1100 1200 1300 1400
Wavelength λ ( nm )
Application Circuits
NOTICE
●The circuit application examples in this publication are provided to explain representative applications of
SHARP devices and are not intended to guarantee any circuit design or license any intellectual property
rights. SHARP takes no responsibility for any problems related to any intellectual property right of a
third party resulting from the use of SHARP's devices.
●Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
SHARP reserves the right to make changes in the specifications, characteristics, data, materials,
structure, and other contents described herein at any time without notice in order to improve design or
reliability. Manufacturing locations are also subject to change without notice.
●Observe the following points when using any devices in this publication. SHARP takes no responsibility
for damage caused by improper use of the devices which does not meet the conditions and absolute
maximum ratings to be used specified in the relevant specification sheet nor meet the following
conditions:
(i) The devices in this publication are designed for use in general electronic equipment designs such as:
--- Personal computers
--- Office automation equipment
--- Telecommunication equipment [terminal]
--- Test and measurement equipment
--- Industrial control
--- Audio visual equipment
--- Consumer electronics
(ii)Measures such as fail-safe function and redundant design should be taken to ensure reliability and
safety when SHARP devices are used for or in connection with equipment that requires higher
reliability such as:
--- Transportation control and safety equipment (i.e., aircraft, trains, automobiles, etc.)
--- Traffic signals
--- Gas leakage sensor breakers
--- Alarm equipment
--- Various safety devices, etc.
(iii)SHARP devices shall not be used for or in connection with equipment that requires an extremely
high level of reliability and safety such as:
--- Space applications
--- Telecommunication equipment [trunk lines]
--- Nuclear power control equipment
--- Medical and other life support equipment (e.g., scuba).
●Contact a SHARP representative in advance when intending to use SHARP devices for any "specific"
applications other than those recommended by SHARP or when it is unclear which category mentioned
above controls the intended use.
●If the SHARP devices listed in this publication fall within the scope of strategic products described in the
Foreign Exchange and Foreign Trade Control Law of Japan, it is necessary to obtain approval to export
such SHARP devices.
●This publication is the proprietary product of SHARP and is copyrighted, with all rights reserved. Under
the copyright laws, no part of this publication may be reproduced or transmitted in any form or by any
means, electronic or mechanical, for any purpose, in whole or in part, without the express written
permission of SHARP. Express written permission is also required before any use of this publication
may be made by a third party.
●Contact and consult with a SHARP representative if there are any questions about the contents of this
publication.
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