HybridHallEffectICs EW-series
●AbsoluteMaximumRatings（Ta=25℃）
●MagneticandElectricalCharacteristics（Ta=25℃）
1［mT］=10［Gauss］
（＊）PleaserefertoSupplyVoltageDeratingCurve.
●OperationalCharacteristics
N
S
Marking
3：OUT
2：GND
1：Vcc
31
EW-450B
SupplyVoltage
3〜26.4Ｖ
UnipolarHall
EffectSwitch
StandardSensitivity
Bop：6mT
Output
OpenCollector
SMT
Item Limit Unit
Symbol
Vcc
Vo(off)
Isink
Topr
Tstg
26.4（＊）
Vcc
10
−40 〜 115
−40 〜 125
V
V
mA
℃
℃
Supply Voltage
Output L Current
Output H Voltage
Operating Temperature Range
Storage Temperature Range
Item Conditions Min. Unit
Symbol
3
3
2.5
0.5
12
6
5
1.1
5
26.4
10
9.5
2.5
0.4
1
6
V
mT
mT
mT
V
μA
mA
Typ.
Max.
Release Point
Hysteresis
Output Saturation Voltage
Output Leakage Curren
Supply Current
Vcc=12V
Vcc=12V
Vcc=12V
Vcc=12V,OUT''L'',Isink=10mA
Vcc=12V,OUT''H'',Vout=12V
Vcc=12V,OUT''H''
VCC
BOP
Brp
Bh
Vsat
Ileak
I
cc
VoltageRegulator
HallElement
OutputStage
SchmittTrigger
Amplifer
1:Vcc
3:OUT
2:GND
Reg.
Amp.
EW-450BiscomposedofaUltra-highsensitiveInSbHallelementandasignalprocessingICchipinapackage.
Shippedinpacket-tapereel(5000pcs/Reel)
HallElement
Continuous
Excitation
Notice:Itisrequestedtoreadandaccept"IMPORTANTNOTICE"writtenonthebackofthefrontcoverofthiscatalogue.
●FunctionalBlockDiagram
Operating Point
Supply Voltage
Magneticfluxdensity
H
N-pole S-pole
Brp Bop
L
Bh
Vsat
Vout
0
EW-450B
●TemparatureDependenceofBop.Brp ●SupplyVoltageDependenceofBop.Brp
6
8
10
4
2
0
−
60
−
40
−
20 0 20 40 60 80 100 120 140
Bop
Brp
OperatingPoint［mT］
AmbientTemperature（℃）
Vcc＝12V
6
8
10
4
2
05101520 30250
OperatingPoint［mT］
Vcc（V）
Bop
Brp
Ta＝25℃
a
e
p
q
h
r
•Please be aware that our products are not intended for use in life support equipment, devices, or systems. Use of our products in such applications requires the
advance written approval of our sales staff.
Certain applications using semiconductor devices may involve potential risks of personal injury, property damage, or loss of life. In order to minimize these risks,
adequate design and operating safeguards should be provided by the customer to minimize inherent or procedural hazards. Inclusion of our products in such
applications is understood to be fully at the risk of the customer using our devices or systems.
●SupplyVoltage
●(Forreferenceonly)LandPattern（Unit:mm)●Package（Unit:mm)
Note) Thesensorcenterislocated
    withintheφ0.3mmcircle.
0.6
0.15
φ0.3
0.4 0.4
31
2
（0.65）
3：OUT
2：GND
1：Vcc
Sensorcenter
3.0±0.1
3.6±0.1
0.8±0.1
1.2±0.1
2.6±0.1
4.4±0.2
30
25
20
15
10
5
0
−
60
−
40
−
20 20 40 60 80 120100 1400
SupplyVoltage［V］
AmbientTemperature［℃］
1.30 1.30
4.00
1.00
0.90
1.00
0.70 0.70
0〜0.1
（5.5）
IMPORTANT NOTICE
These products and thei r specifications are subject to change without notice.
When you consider any use or application of these products, please make
inquiries the sales office of Asahi Kasei Microdevices Corporation (AKM) or
authorized distributors as to current status of the products.
Descriptions of external circuits, application circuits, sof tware and ot her related
information contained in this document are provided only to illustrate the
operation and application examples of the semiconductor products. You are
fully responsible for the incorporation of these external circuits, application
circuits, software and other related information in the design of your
equipments. AKM assumes no responsibility for any losses incurred by you or
third parties arising from the use of these inform ation herein. AKM assumes no
liability for infringement of any patent, intellectual property, or other rights in
the application or use of such information contained herein.
Any export of these products, or devices or systems containing them, may
require an export license or other official approval under the law and
regulations of the country of export pertaining to customs and tariffs, currency
exchange, or strategic materials.
AKM products are neither intended nor authorized for use as critical
componentsNote1) in any safety, life support, or other hazard related device or
systemNote2), and AKM assumes no responsibility for such use, except for the
use approved with the express written consent by Representative Director of
AKM. As used here:
Note1) A critical component is one whose failure to function or perform
may reasonably be expected to result, whether directly or indirectly, in the
loss of the safety or effectiveness of the device or system containing it,
and which must therefore meet very high standards of performance and
reliability.
Note2) A hazard related device or system is one designed o r inten ded for
life support or maintenance of safety or for applications in medicine,
aerospace, nuclear energy, or other fields, in which its failure to function
or perform may reasonably be expected to result in loss of life or in
significant injury or damag e to person or property.
It is the responsibility of the buyer or distributor of AKM products, who
distributes, disposes of, or otherwise places the product with a third party, to
notify such third party in advance of the above content and conditions, and
the buyer or distributor agrees to assume any and all responsibility and
liability for and hold AKM harmless from any and all claims arising from the
use of said product in the absence of such notification.
June 2, 2010