Infrared Communication. IS1U20 Datasheet


IS1U20 Communication. Datasheet pdf. Equivalent


Part Number

IS1U20

Description

OPIC Light Detector for Infrared Communication

Manufacture

Sharp

Total Page 3 Pages
Datasheet
Download IS1U20 Datasheet


IS1U20
IS1U20
IS1U20
OPIC Light Detector for Infrared
Communication
(IrDA1.0 Compatible)
s Features
s Outline Dimensions
1. IrDA1.0 compatible OPIC light detector
(Transmission rate : 2.4 to 115.2kbps)
5.6
2. Compact design due to OPIC (Number of parts : 1)
3. Compatible with both 5V and 3V power supplies
(Operating supply voltage : 2.7 to 5.5V)
4. Visible light cut-off type
R 1.8
0.85
5. Recommended use in combination emitter ( GL1F20)
MAX0.6
s Applications
1. Personal computers
2. Portable information terminal equipment
3. Printers
4. Word processors
IrDA : Abbreviation of the Infrared Data Association established
for standardization of infrared communication specifications
s Absolute Maximum Ratings
(Ta=25˚C)
3-0.45
Parameter
Symbol Rating Unit
Supply voltage
*1 Operating temperature
Vcc 0to 6.0 V
Topr - 10 to +70 ˚C
Storage temperature
*2 Soldering temperature
Tstg - 20 to +85 ˚C
Tsol 260 ˚C
*1 No dew condensation is allowed.
*2 For MAX. 3 seconds at the position of 2 mm from the resin edge (1.0 mm thick PWB mounting)
s Recommended Operating Conditions (Ta=25˚C)
1.27 1.27
1 23
Terminal
configuration
1 Vout
2 GND
3 Vcc
(Unit : mm)
Black resin
(visible light cut-off)
0.4
Parameter
Supply voltage
Transmission rate
Symbol
Vcc
BR
Rating
2.7 to 5.5
2.4 to 115.2
s Electro-optical Characteristics
Unit
V
kbps
* OPIC (Optional 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.
(Ta=25˚C )
Parameter
Dissipation current
High level output voltage
Low level output voltage
Low level pulse width
Rise time
Fall time
MAX. reception distance
Symbol
ICC1
ICC2
VOH1
VOH2
VOL1
VOL2
tW1
tW2
tr
tf
L
Conditions
Vcc=5V, no input light, output terminal OPEN
Vcc=3V, no input light, output terminal OPEN
Vcc = 5V
Vcc = 3V
Vcc = 5V, IOL= 400m A, *3,4,5
Vcc = 3V, IOL= 400m A, *3,4,5
BR = 2.4kbps, *3,4,5
BR = 115.2kbps, *3,4,5
BR = 115.2kbps, *3,4,5
BR = 115.2kbps, *3,4,5
VOH, VOL , tW , t r and tf to be met at φ<= 15˚. *3, 4, 5.
MIN.
-
-
4.5
2.5
-
-
0.8
0.8
-
-
1
TYP.
1.0
0.7
-
-
-
-
-
-
-
-
-
MAX.
1.4
1.0
-
-
0.4
0.4
16.0
8.0
1.2
0.2
-
Unit
mA
mA
V
V
V
V
µs
µs
µs
µs
m
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.

IS1U20
s Circuit Block Diagram
Auto bias current
control circuit
Amp.
Photodiode
Ro= 22k
Comparator
3
Vcc
1
Vout
2
GND
IS1U20
*3 Input signal waveform
T1
T2
T1
T1 =416.7µs and T2 =78.1µs at BR=2.4kbps
T1 =8.68µs and T2 =1.63µs at BR=115.2kbps
Transmitter radiant intensity : 40 mW/sr
*4 Output waveform regulation
tf
90%
50%
10%
tw
*5 Optical system
tr
VOH
VOL
Receiving distance : L
φ
φ IS1U20
*1 Transmitter
Oscilloscope
(φ : Horizontal and vertical directions)
*1 Transmitter shall use the light emitting diode GL550 ( λp=850 to 900 nm) and be adjusted to the radiant intensity of 40mW/sr.


Features IS1U20 IS1U20 s Features 1. IrDA1.0 com patible OPIC light detector (Transmissi on rate : 2.4 to 115.2kbps) 2. Compact design due to OPIC (Number of parts : 1 ) 3. Compatible with both 5V and 3V pow er supplies (Operating supply voltage : 2.7 to 5.5V) 4. Visible light cut-off type 5. Recommended use in combination emitter ( GL1F20) OPIC Light Detector for Infrared Communication (IrDA1.0 Com patible) s Outline Dimensions 5.6 (Uni t : mm) 3.2 4.6 R 1.8 0.85 Black r esin (visible light cut-off) MAX0.6 s Applications 1. Personal computers 2. Portable information terminal equipment 3. Printers 4. Word processors IrDA : Abbreviation of the Infrared Data Assoc iation established for standardization of infrared communication specification s 3-0.45 17.9 1.0 4.0 2.4 s Absolute M aximum Ratings Parameter Supply voltage *1 Operating temperature Storage tempe rature *2 Soldering temperature Symbol Vcc T opr T stg T sol Rating 0to 6.0 - 10 to +70 - 20 to +85 260 (Ta=25˚C) Unit V ˚C ˚C ˚C 1.27 1.27 .
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