参数资料
型号: ATS643LSH-I2
厂商: Allegro Microsystems Inc
文件页数: 6/16页
文件大小: 492K
描述: IC SENSOR GEAR TOOTH 4-SIP
标准包装: 800
传感范围: 65% 跳闸,35% 释放
类型: 专用型
电源电压: 4 V ~ 24 V
电流 - 电源: 8.4mA
输出类型: 数字,开路集电极
特点: 轮齿类型
工作温度: -40°C ~ 150°C
封装/外壳: 4-SIP
供应商设备封装: 4-SIP
包装: 散装
Self-Calibrating, Zero-Speed Differential
Gear Tooth Sensor IC with Continuous Update
ATS643LSH
5
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
REFERENCE TARGET, 60-0 (60 Tooth Target)
Characteristics    Symbol
Test Conditions
Typ.  Units
Symbol Key
Outside Diameter
D
o
Outside diameter of target
120   mm
Face Width
F
Breadth of tooth, with respect to
branded face
6    mm
Circular Tooth Length
t
Length of tooth, with respect to
branded face; measured at D
o
3    mm
Circular Valley Length
t
v
Length of valley, with respect to
branded face; measured at D
o
3    mm
Tooth Whole Depth
h
t
3    mm
Material
Low Carbon Steel
    
*Differential B corresponds to the calculated difference in the magnetic  eld as
sensed simultaneously at the two Hall elements in the device (B
DIFF
 = B
E1
  B
E2
).
of Package
Reference Target
60-0
of Package
Branded Face
 
Reference Gear Magnetic Gradient Amplitude
with Reference to Air Gap
0
200
400
600
800
1000
1200
1400
1600
1800
G mm
0.5
1
1.5
2
2.5
 
Reference Gear Magnetic Profile
Two Tooth-to-Valley Transitions
-700
-600
-500
-400
-300
-200
-100
0
100
200
300
400
500
600
700
0   1   2   3   4   5   6   7   8   9   10  11  12
Gear Rotation (?
0.50 mm AG
2.00 mm AG
0.50
0.75
1.00
1.25
1.50
1.75
2.00
AG (mm)
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