ATS632LSC
HALL-EFFECT
GEAR-TOOTH SENSOR
SUBASSEMBLY
OPERATION over operating voltage and temperature range with reference target (unless oth-
erwise specified).
Limits
Characteristic
Operating Air Gap Range
Symbol
AG
Test Conditions
Operating,
Target Speed > 20 RPM
Operating, Over Tooth
Operating, Over Valley
Timing Accuracy
t
θ
Target Speed < 3500 RPM,
0.3 mm
≤
AG
≤
1.9 mm
Min.
0.3
Typ.
–
Max.
1.9
Units
mm
Output Polarity
–
Low
High
–
Low
High
±0.25
Low
High
±0.50
–
–
°
NOTE: Air Gap is defined as the distance from the face of the sensor subassembly to the target.
TARGET DESIGN CRITERIA
Limits
Characteristic
Valley Depth
Valley Width
Tooth Width
Thickness
Eccentricity
Symbol
h
t
(P
C
- T)
T
F
–
Timing accuracy may change
Description
Min.
–
–
–
–
–
Typ.
5.0
5.0
5.0
5.0
–
Max.
–
–
–
–
±0.25
Units
mm
mm
mm
mm
mm
TARGET DIMENSIONS
Type
Reference Target
Characterization Target #1
Characterization Target #2
Diameter
(D
o
)
84 mm
84 mm
35 mm
Thickness
(F)
16 mm
16 mm
7 mm
Tooth Width
(T)
9 mm
1 tooth, 180°
1 tooth, 180°
Valley Width
(P
C
- T)
13 mm
Valley Depth
(h
t
)
5 mm
5 mm
6 mm
NOTE: Timing accuracy data is taken by recalibrating the unit at each air gap.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
