True Zero-Speed, High Accuracy Gear Tooth Sensor IC 
ATS667LSG
5
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Reference Gear Magnetic Profile
Reference Target 60-0, Hall element spacing 2.20 mm
Gear Rotation (?
Air Gap (mm)
0    2    4    6    8    10    12    14    16    18    20
600
400
200
0
200
400
600
0.50 mm AG
3.00 mm AG
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
1.0
2.0
0
3.0
1200
1000
800
600
400
200
0
Reference Gear Magnetic Gradient Amplitude versus Air Gap
Reference Target 60-0, Hall element spacing 2.20 mm
Air Gap (mm)
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
Angular Tooth Thickness
t
Length of tooth, with respect
to branded face
3   deg.
Angular Valley Thickness
t
v
Length of valley, with respect
to branded face
3   deg.
Tooth Whole Depth
h
t
3    mm
Material
Low Carbon Steel
    
?SPAN class="pst ATS667LSGTN-T_2172089_12">D
O
h
t
F
Branded Face
of Package
Air Gap
Reference Target
60-0
of Package
Branded Face
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相关代理商/技术参数
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