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UHE4913_11 [UTC]

LOW POWER HALL EFFECT SWITCH; 低功耗霍尔效应开关
UHE4913_11
型号： UHE4913_11
厂家： Unisonic Technologies    Unisonic Technologies
描述：

LOW POWER HALL EFFECT SWITCH
低功耗霍尔效应开关

开关
文件： 总5页 (文件大小：160K)
中文：  中文翻译
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UNISONIC TECHNOLOGIES CO., LTD  
UHE4913  
Preliminary  
CMOS IC  
LOW POWER HALL EFFECT  
SWITCH  
„
DESCRIPTION  
3
UHE4913 is a low-power integrated Hall switch designed to  
1
sense the applied magnetic flux density and give a digital output,  
which indicates the present condition of the magnitude sensed.  
It is mainly designed for battery-powered system and  
hand-held equipment, such as cellular flip-phones and PDA’s, in  
which power consumption is one major concern. The typical power  
consumption of UHE4913 is down to 10μW in 2.7V supply.  
The output will be at the “High” level when no magnetic field is  
applied. When the applied magnetic flux density is stronger than  
the switching threshold, the output would be at the “Low” level.  
2
SOT-23  
„
FEATURES  
* Micropower Operation  
* 2.4V to 5.5V Battery Operation  
* Switching for both poles of magnet  
* Offset Canceling Technology  
* Superior Temperature Stability  
* Extremely Low Switch-Point Drift  
* Insensitive to Physical Stress  
„
ORDERING INFORMATION  
Ordering Number  
Pin Assignment  
Package  
SOT-23  
Packing  
Lead Free  
Halogen Free  
1
2
I
3
UHE4913L-AE3-R  
UHE4913G-AE3-R  
O
G
Tape Reel  
Note: O: Output, I: VDD, G: Gnd  
UHE4913L-AE3-R  
(1) Packing Type  
(2) Package Type  
(3) Lead Free  
(1) R:Tape Reel  
(2) AE3:SOT-23  
(3) G:Halogen Free, L: Lead Free  
www.unisonic.com.tw  
1 of 5  
Copyright © 2011 Unisonic Technologies Co., Ltd  
QW-R502-608.a  
UHE4913  
Preliminary  
CMOS IC  
„
MARKING INFORMATION  
„
PIN CONFIGURATION  
„
PIN DESCRIPTION  
PIN NAME  
PIN TYPE  
PIN DESCRIPTION  
VOUT  
VDD  
O
I
Digital Output  
Power Supply  
Ground  
GND  
G
Note: O=Output, I=Power Supply, G=Ground  
UNISONIC TECHNOLOGIES CO., LTD  
2 of 5  
QW-R502-608.a  
www.unisonic.com.tw  
UHE4913  
Preliminary  
CMOS IC  
„
BLOCK DIAGRAM  
UNISONIC TECHNOLOGIES CO., LTD  
3 of 5  
QW-R502-608.a  
www.unisonic.com.tw  
UHE4913  
Preliminary  
CMOS IC  
„
ABSOLUTE MAXIMUM RATING  
PARAMETER  
SYMBOL  
RATINGS  
5.5  
UNIT  
V
Supply Voltage  
Supply current  
VDD  
IQ  
-1 ~ +2.5  
Unlimited  
150  
mA  
mT  
°C  
Magnetic Flux Density  
Junction Temperature  
Operation Temperature  
Storage Temperature  
B
TJ  
TOPR  
TSTG  
-40 ~ +85  
-40 ~ +150  
°C  
°C  
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.  
Absolute maximum ratings are stress ratings only and functional device operation is not implied.  
„
RECOMMENDED OPERATING CONDITIONS (TA=25°C)  
PARAMETER  
Supply Voltage  
SYMBOL  
VDD  
CONDITIONS  
Operating  
MIN  
2.4  
TYP  
2.7  
2.7  
25  
MAX  
5.5  
5.5  
85  
UNIT  
V
Output Voltage  
VOUT  
TA  
-0.3  
-40  
V
Ambient Temperature  
°C  
„
ELECTRICAL CHARACTERISTICS (TA=25°C)  
PARAMETER  
SYMBOL  
VSAT  
IOFF  
CONDITIONS  
DD=2.7V  
MIN  
TYP  
0.1  
0.01  
1.1  
2.5  
3
MAX  
20  
UNIT  
V
Output Saturation Voltage  
Output Leakage Current  
V
μA  
mA  
μA  
μA  
μs  
IDD(EN)  
IDD(DIS)  
IDD(AVG)  
TOP  
Supply Current  
VDD=2.7V  
VDD=2.7V  
Operating Time  
Standby Time  
Duty Cycle  
50  
TSD  
130  
0.04  
0.5  
0.1  
ms  
%
D.C.  
tR  
Output Rise Time  
Output Fall Time  
RL=2.7KΩ,CL=10PF  
RL=2.7KΩ,CL=10PF  
1
1
μs  
tF  
μs  
„
MAGNETIC CHARACTERISTICS ( TA=25°C,VDD=2.7V)  
PARAMETER  
Operation Points  
SYMBOL  
MIN  
20  
12  
2
TYP  
35  
27  
8
MAX  
UNIT  
Gauss  
|BOP  
|
|
50  
42  
16  
Release Points  
Hysteresis  
|BRP  
|BOP–BRP  
|
UNISONIC TECHNOLOGIES CO., LTD  
4 of 5  
QW-R502-608.a  
www.unisonic.com.tw  
UHE4913  
Preliminary  
CMOS IC  
„
TYPICAL APPLICATION CIRCUIT  
„
MAGNETIC FLUX  
UTC assumes no responsibility for equipment failures that result from using products at values that  
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or  
other parameters) listed in products specifications of any and all UTC products described or contained  
herein. UTC products are not designed for use in life support appliances, devices or systems where  
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in  
whole or in part is prohibited without the prior written consent of the copyright owner. The information  
presented in this document does not form part of any quotation or contract, is believed to be accurate  
and reliable and may be changed without notice.  
UNISONIC TECHNOLOGIES CO., LTD  
5 of 5  
QW-R502-608.a  
www.unisonic.com.tw  

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