Sharp IS487 Datasheet
IS487/IS488
IS487/IS488
Built-in Amp.Type
OPIC Light Detector
■ Features
1. Compact type
2. Built-in schmidt trigger circuit
3. LSTTL and TTL compatible output
4. Open collector output
5. Low level output under incident light
(IS487
)
High level output under incident light
(IS488
)
6. A wide range of operating supply voltage
(VCC: 4.5 to 17v
)
■ Applications
1. Floppy disk drive Units
2. Copiers, printers, facsimiles
3. VCRs
4. Automatic vending machines
■ Outline Dimensions
Internal connection diagram
IS487
Voltage regulator
3
2
1
Amp.
2-C0.5
1
MAX.
0.8
Rugged resin
1.27
6˚
6˚
6˚
3.0
1.6
2.8
1.0
±
1.27
6˚
6˚
1.5
16.5
6˚
+1.5
0.2
±
18.0
4.0
3- 0.4
-1.0
3
2
4˚
4˚
60˚
(1.27)
+ 0.3
- 0.1
2.95
1.15
1.6
IS488
Voltage regulator
Amp.
0.75
4˚
R0.5
4˚
0.15
2.6
+ 0.3
3- 0.45
- 0.1
1 GND
2 V
O
3 V
CC
(
Unit : mm
MAX.
Gate burr
2- 0.8
)
3
2
1
0.3
1.4
*“ 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.
■ Absolute Maximum Ratings
(
Ta= 25˚C
)
Parameter Symbol Rating Unit
Supply voltage V
Output voltage V
Output current I
CC
O
O
- 0.5 to + 35 V
- 0.5 to + 40 V
50 mA
Power dissipation P 175 mW
Operating temperature T
Storage temperature T
*1
Soldering temperature T
*1 For 5 seconds at the position of 1.4mm from the bottom face of resin 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.”
opr
stg
sol
-25 to +85 ˚C
- 40 to +100 ˚C
260 ˚C
IS487/IS488
■ Electro-optical Characteristics
(
Unless otherwise specified, Ta= 0 to 70˚C, V
Parameter Symbol Conditions MIN. TYP. MAX. Unit
*2
Low level output voltage V
High level output current I
Low level supply current I
High level supply current I
*4
“ High→Low”
Threshold illuminance
*5
“ Low→High”
Threshold illuminance
*6
Hysteresis
“Low→High”
Propagation time
Response
time
“High→Low”
Propagation time
IS487
IS488
IS487
IS488
IS487
IS488
IS487
IS488 -39
IS487
IS488 -515
Rise time t
Fall time t
*2 Defines E
*3 Defines E
*4 E
represents illuminance by CIE standerd light source A (tungsten lamp) when output changes from high
VHL
to low.
represents illuminance by CIE standerd light source A (tungsten lamp) when output changes from low
*5 E
VLH
to high.
*6 Hysteresis stands for E
(
IS487) and EV=0 (IS488).
= 50lx
V
=0 (IS487) and E
V
VLH/EVHL
(
IS488).
= 50lx
V
(IS487) and E
OL
OH
CCL
CCH
E
VHL
E
VLH
E
VLH/EVHL
E
VHL/EVLH
t
PLH
t
PHL
r
f
VHL/EVLH
IOL= 16mA - 0.15 0.4 V
*3
VCC= 20V, VO= 30V - - 100 µA
*2 - 1.3 3.4 mA
*3 - 0.7 2.2 mA
Ta= 25˚C, RL= 280Ω -1535
= 280Ω --50
R
L
= 25˚C, RL= 280Ω 1.5 10 -
T
a
R
= 280Ω 1--
L
Ta= 25˚C, RL= 280Ω 1.5 10 -
= 280Ω 1--
R
L
= 25˚C, RL= 280Ω -1535
T
a
R
= 280Ω --50
L
Ta= 25˚C, RL= 280Ω 0.50 0.65 0.90 -
Ta= 25˚C
E
= 50lx
V
= 280 Ω
R
L
(IS488).
■ Recommended Operating Conditions
Parameter Symbol MIN. MAX. Unit
Supply voltage V
Output current I
In order to stabilize power supply line, connect a by-pass capacitor of 0.01µ
the device.
4.5 17 V
CC
OL
-16mA
or more between VCC and GND near
F
CC
-515
-39
- 0.1 0.5
- 0.05 0.5
)
=5V
lx
lx
µs
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