ATS612LSB Datasheet, PDF (4/16 Pages) Allegro MicroSystems – DYNAMIC, SELF-CALIBRATING, PEAK-DETECTING, DIFFERENTIAL HALL-EFFECT GEAR-TOOTH SENSOR

ATS612LSB
DYNAMIC, SELF-CALIBRATING, PEAK-DETECTING,
DIFFERENTIAL HALL-EFFECT GEAR-TOOTH SENSOR
OPERATION over operating voltage and temperature range with reference target
(unless otherwise specified).
Characteristic
Symbol Test Conditions
Limits
Min. Typ. Max.
Units
Air Gap Range
AG
Operating,
Target Speed > 20 RPM
0.4
–
2.5
mm
Calibration Cycle
n_cal
Output edges before which
calibration is completed*
1
1
1
Edge
Calibration Mode
Disable
n_dis
Output falling edges for startup
calibration to be complete
64 64 64 Edges
Timing Accuracy
t_θ
Target Speed = 1000 RPM,
0.4 mm ≤ AG ≤ 2 mm
– ±0.5 ±0.75
°
* Non-uniform magnetic profiles may require additional output pulses before calibration is completed.
REFERENCE TARGET
Do = 120 mm
TARGET
F (THICKNESS) ≥ 3 mm
E1 E2
SENSOR
POLE PIECE
SOUTH
PERMANENT
MAGNET
NORTH
AIR GAP
SIGNATURE
TOOTH (1)
12 34
Dwg. MH-016-2 mm
115 Northeast Cutoff, Box 15036
4
Worcester, Massachusetts 01615-0036 [phone]