參數(shù)資料
型號: ATS625LSGTN-T
元件分類: 速度傳感器和接近開關
英文描述: PROXIMITY SENSOR-HALL EFFECT, 0.5-2.5mm, 200-450mV, RECTANGULAR, THROUGH HOLE MOUNT
封裝: PLASTIC, SIP-4
文件頁數(shù): 17/21頁
文件大?。?/td> 725K
代理商: ATS625LSGTN-T
True Zero-Speed Low-Jitter High Accuracy
Gear Tooth Sensor IC
ATS625LSG
5
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
REFERENCE TARGET 60+2
Characteristics
Symbol
Test Conditions
Typ.
Unit
Symbol Key
Outside Diameter
Do
Outside diameter of target
120
mm
t,t
SIG
tV
DO
ht
F
Branded Face
of Package
Air Gap
Face Width
F
Breadth of tooth, with respect to
branded face
6mm
Circular Tooth Length
t
Length of tooth, with respect to
branded face; measured at Do
3mm
Signature Region Circu-
lar Tooth Length
tSIG
Length of signature tooth, with
respect to branded face; mea-
sured at Do
15
mm
Circular Valley Length
tv
Length of valley, with respect to
branded face; measured at Do
3mm
Tooth Whole Depth
ht
3mm
Material
Low Carbon Steel
Reference Target
Signature Region
60+2
of Package
Branded Face
Pin 4
Pin 1
Reference Target (Gear) Information
For the generation of adequate magnetic field levels, the fol-
lowing recommendations should be followed in the design and
specification of targets:
2 mm < tooth width, t < 4 mm
Valley width, tv > 2 mm
Valley depth, ht > 2 mm
Tooth thickness, F ≥ 3 mm
Target material must be low carbon steel
Although these parameters apply to targets of traditional
geometry (radially oriented teeth with radial sensing, shown in
figure 1), they also can be applied in applications using stamped
targets (an aperture or rim gap punched out of the target mate-
rial) and axial sensing. For stamped geometries with axial sens-
ing, the valley depth, ht, is intrinsically infinite, so the criteria for
tooth width, t, valley width, tv, tooth material thickness, F, and
material specification need only be considered for reference. For
example, F can now be < 3 mm.
Figure 1. Configuration with Radial-Tooth Reference Target
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