115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

ATS612LSB

DYNAMIC, SELF-CALIBRATING, PEAK-DETECTING,

DIFFERENTIAL HALL-EFFECT GEAR-TOOTH SENSOR

4

OPERATION over operating voltage and temperature range with reference target

(unless otherwise specified).

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Air Gap Range

AG

Operating,

0.4

–

2.5

mm

Target Speed > 20 RPM

Calibration Cycle

Output edges before which

1

1

1

Edge

calibration is completed*

Calibration Mode

Output falling edges for startup

64

64

64

Edges

Disable

calibration to be complete

Timing Accuracy

t

θ

Target Speed = 1000 RPM,

–

±0.5

±0.75

°

0.4 mm

≤ AG ≤ 2 mm

* Non-uniform magnetic profiles may require additional output pulses before calibration is completed.

Dwg. MH-016-2 mm

AIR GAP

D = 120 mm

o

TARGET

F (THICKNESS)

≥ 3 mm

E1

E2

SENSOR

SOUTH

NORTH

PERMANENT

MAGNET

POLE PIECE

1

2

3

4

SIGNATURE

TOOTH (1)

REFERENCE TARGET