EM-1791 [AKM]
EM-1791 is ultra-small Hall effect ICs of a single silicon chip composed of Hall element and a signal processing IC; EM- 1791是一个单一的硅芯片霍尔元件构成和信号处理IC的超小型霍尔效应集成电路
| 型号： | EM-1791 |
| 厂家： | 
ASAHI KASEI MICROSYSTEMS |
| 描述： | EM-1791 is ultra-small Hall effect ICs of a single silicon chip composed of Hall element and a signal processing IC |
| 文件： | 总3页 (文件大小：133K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Monolithic Hall Effect ICsꢀEM-series
Shipped in packet-tape reel(5000pcs/Reel)
EM-1791 is ultra-small Hall effect ICs of a single silicon chip composed of Hall element and a signal processing IC.
EM-1791
Output
Unipolar Hall
Effect Switch
Two output for S
and N-pole
Supply Voltage
Hall Element
Pulse
Excitation
High Sensitivity
Bop：2.5mT
SMT
CMOS
Two output
for S and N-pole
1.6～5.5Ｖ
Notice:It is requested to read and accept "IMPORTANT NOTICE" written on the back of the front cover of this catalogue.
●Operational Characteristics
S or N
Vout1
Vout 2
H
H
VOH
VOH
Marking
1
2
1：VDD
Bh1
Bh2
2：OUT 1（S-pole）
3：OUT 2（N-pole）
4：VSS
L
L
VOL
VOL
N or S
0
0
Brp1
Bop1
Bop2
N-pole
Brp2
S-pole
Magnetic flux density
Magnetic flux density
●Functional Block Diagram
1：VDD
●Absolute Maximum Ratings（Ta=25℃）
Switch
Item
Symbol
Limit
Unit
2：OUT1
V
mA
℃
VDD
－0.1 ～ 6.0
Supply Voltage
Output Current
Operating Temperature Range
Storage Temperature Range
ꢀ
（S-pole）
I
±0.5
out
Topr
Tstg
－30 ～ ＋85
－40 ～ ＋125
3：OUT2
ꢀ（N-pole）
℃
4：VSS
Oscillator Hall
Element Stabilizer
Timing Logic
Chopper
Amplifier
Schmitt Output
&
Trigger Stage
&
Latch
●Magnetic q and Electrical Characteristics（Ta=25℃ VDD=1.85V） ●Magnetic Characteristics w（Ta=－30～＋85℃ VDD=1.85V）
Item
Symbol Conditions
Min.
Typ.
Max.
Unit
Item
Symbol
Conditions
Min. Typ. Max. Unit
BOP
S
Supply Voltage
Operating Point
1.6
*1.4
5.5
3.2
V
VDD
Operating Point
1.3
1.1
2.5
2.0
0.5
3.5
3.3
mT
mT
mT
｜BOPN｜
2.5
－2.5
2.0
B
B
OP1
OP2
B
S
rp
mT
mT
Release Point
H y s t e r e s i s
｜B N｜
rp
－3.2
1.2
*－1.4
*3.0
B S
h
B
B
1
rp
rp
｜B N｜
h
Release Point
H y s t e r e s i s
2
*－3.0
－2.0
0.5
－1.2
Note) The above specifications are design targets.
B
1,B 2
h
mT
ms
V
h
●Application Circuit
50
100
T
P
e r i o d
p
VDD
CMOS
Io=－0.2mA VDD－0.4
Io=＋0.2mA
Output High Voltage
Output Low Voltage
Supply Current
V
OH
V
OL
0.4
9
V
OUT1 VDD
Bypass Capacitor
0.1μF
EM-1791
6.5
μA
IDD Average
OUT2 VSS
1［mT］=10［Gauss］
※ꢀThe characteristics with「*」marks are design targets.
CMOS
※ꢀOUT1 responds to the positive flux from the south pole(Bop1,Brp1) ,OUT2 to the
GND
ꢀꢀnegative flux from the north pole(Bop2,Brp2) .
45
EM-1791
•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.
a
●Package（Unit:mm)
●(For reference only)Land Pattern（Unit:mm)
2.1±0.1
1.3
0.50
0.3
2
3
1
4
φ0.3
Sensor center
0～0.1
5°
5°
0.1
0.05
5°
Note1) The sensor center is located
ꢀꢀꢀꢀwithin the φ0.3mm circle.
Note2) The tolerances of dimensions
ꢀꢀꢀꢀwith no mentions is ±0.1mm.
Note3) Coplanarity:The differnces between
ꢀꢀꢀꢀstandoff of terminals are max.0.1mm.
Note4) The sensor part is located 0.4mm(typ.)
ꢀꢀꢀꢀfar from marking surface.
f
5°
1.30
Pin No. Pin Name Function Comment
1
2
3
4
VDD Supply Voltage
OUT1 Output Voltage
OUT2 Output Voltage
S-pole
N-pole
VSS
GND
●Function Timing Chart
●IDD Pulse Driving（VDD=1.85V）
IDD
IDD
50ms
146μs
I
DD ON
t
t
t
B
B
（TYP＝1.8mA）
Bop
j
Brp
I
DD
（TYP＝6.5μA）
DD OFF
t
Vout
High
Vout
High
48.8μs
48.8μs
I
（TYP＝1.3μA）
Time
Low
Low
t
t
Operating Point Timing
Release Point Timing
This Hall IC’s output is held as internal data just before the internal circuit
turns OFF (IDD OFF). And after 48.8 μs, the output changes.
Note) 48.8μs in figures is typical value
●Supply Voltage
●Temparature Dependence of Bop. Brp
4
6
5
4
3
2
1
0
Bop1
n
o
p
3
2
Brp1
S-pole
1
0
1
2
3
4
VDD＝1.85V
Brp2
－
－
－
－
N-pole
Bop2
－
40
－20
0
20
40
60
80
100
－40
－20
0
20
40
60
80
100
Ambient Temperature［℃］
Ambient Temperature［℃］
46
IMPORTANT NOTICE
These products and their 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, software and other 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 information 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 or intended 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 damage 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.
April 4, 2012
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