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AX-1838HS 데이터시트(Datasheet) 1 Page - List of Unclassifed Manufacturers

부품명 AX-1838HS
상세내용  The separate PIN diode and preamplifier IC are assembled on a single leadframe.
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제조사  ETC2 [List of Unclassifed Manufacturers]
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AX-1838HS
http://www.photo-link.cn
D
DA
AT
TA
A S
SH
HE
EE
ET
T
DEVICE NUMBER:AX-1838HS
SHEET
DATE
1
2
3
4
5
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CONTENTS
2007-4-19
1.0 1.0 1.0 1.0
1.0 1.0
Initial Released
APPROVED
DRAWER
 2 page
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AX-1838HS
http://www.photo-link.cn
INFRARED RECEIVER MODULE
Description
TheAX-1838HS is miniaturized infrared receivers for remote
control and other applications requiring improved ambient light
rejection.
The separate PIN diode and preamplifier IC are assembled on
a single leadframe.
The epoxy package contains a special IR filter.
This module has excellent performance even in disturbed
ambient light applications and provides protection against
uncontrolled output pulses.
Features
? Photo detector and preamplifier in one package .
? Internal filter for PCM frequency.
?
Inner shield,good anti-interference ability.
? High immunity against ambient light.
? Improved shielding against electric field disturbance
? 3.0V or 5.0V supply voltage; low power consumption.
? TTL and CMOS compatibility.
? 8ms data pause time codes are acceptable .
Applications:
1. Optical switch
2. Light detecting protion of remote contol
? AV instruments such as Audio,TV,VCR,CD,MD,DVD,etc.
? Home appliances such as Air-conditioner,Fan,etc.
? CATV set top boxes
? Multi-media Equipment
 Absolute Maximum Ratings(Ta=25℃)
Parameter
Symbol
Ratings
Unit
Notice
Supply Voltage
Vs
2.1-6.5
V
¡
Operating Temperature
Topr
-20~+65
¡
Storage Temperature
Tstg
-40~+85
¡
Soldering Temperature
Tsd
260
4mm from mold body
less than 5 sec
Rev: 1.0 Page: 1of 5
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AX-1838HS
http://www.photo-link.cn
Electrical And Optical Characteristics(Ta=25℃)
*1:The ray receiving surface at a vertex and relation to the ray axis in the range of θ=0° and
θ=45°
*2:A range from 30cm to the arrival distance. Average value of 50 pulses
BLOCK DIAGRAM
Ratings
Parameter
Symbol
Min.
Typ.
Max.
Unit
Condition
Supply Voltage
Vs
2.1
-
5.5
V
Supply Current
Icc
¡
¡
1.5
mA
No signal input
L0
17
¡
¡
Reception Distance
L45
8
¡
¡
m
At the ray axis
*1
B.P.F Center Frequency
fo
¡
38
¡
KHz
Peak Wavelength
p
¡
940
¡
nm
Half Angle
¡
45
¡
deg
At the ray axis
*1
High Level Pulse Width
TH
400
¡
800
S
Low Level Pulse Width
TL
400
¡
800
S
At the ray axis
*2
High Level Output Voltage
VH
4.5
¡
¡
V
Low Level Output Voltage
VL
¡
¡
0.5
V
Preamp
ABLC
Amp
Limiter
B.P.F
Demodulator
Integrator
Comparator
PD
Vcc
Vout
GND
Rev: 1.0Page: 2of 5
 4 page
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AX-1838HS
http://www.photo-link.cn
Test Method
100k
>10k
VH
H
T
L
T
D.U.T Output Pulse
Transmitter Output
A.Standard Transmitter
VL
Vout
Vcc
D.U.T
GND
5.0¡ 0.1V
Vout
Oscilloscope
Standard
Transmitter
600us
600us
10uF
+
20cm
Standard
Transmitter
Vout
Oscilloscope
600us
600us
0V
Transmitter Output
C.Pulse Width Test
B.Detection Length Test
 Application Circuit

Infrared
Emitting
Diode
IRM
47uF
Vcc
Out
GND
GND
+5V
uC
>10k
47
Rev: 1.0 Page: 3 of 5
 5 page
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AX-1838HS
http://www.photo-link.cn
●Package Dimensions:
NOTES:
1.All dimensions are in millimeters (inches).
2.Tolerance is ¡0. 30mm (0.012¡¡) unless otherwise specified.
3.Specifications are subject to change without notice.
Rev: 1.0Page: 4 of 5
1
2
3
OUT
GND
VCC
6.60
4.50
6.45
4.3
2.54
0.50¡ 0.05
3
2
1
0.4
 6 page
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AX-1838HS
http://www.photo-link.cn
Electrical And Optical Curves(Ta=25℃)
0.0
0.7
0.2
0.4
0.6
0.8
1.0
0.8
0.9
1.0
1.1
0
0
1.2
1.3
750
0
0.2
0.6
0.4
0.8
1.0
(%)
1.2
1050
850
950
1150 (nm)
80
-60
0
20
40
-40
-20
0
20
40
60
60
80
100
-30
0.6
0.0
0.4
0.2
0.8
1.0
1.2
1.4
0
30
60
(¡ C)
90
0.6
0.3
(mA)
2.0
1.6
1.8
0.5
0.8
0.7
0.9
1.0
0.2
0.1
0.4
10
0
20
90
60
80
70
50
40
30
Fig.1 Relative Spectral Sensitivity vs.
Wavelength
Fig.5 Relative Transmission Distance vs.
Direction
Relative Transmission Distance
Wavelength
Fig.4 Supply Current vs.
Ambient Temperature
Fig.2 Relative Transmission Distance Vs.
Direction
Fig.3 Frequency Dependence of Responsivity
Relative Frequency
Angle
(deg)
Ambient Temperature
Rev: 1.0 Page: 5 of 5




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