115 Northeast Cutoff, Box 15036

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

ATS622LSB

TRUE ZERO-SPEED,

GEAR-TOOTH SENSOR

4

OPERATION over operating voltage and temperature range with reference target (unless oth-

erwise noted)

Limits

Characteristic

Symbol

Description

Min.

Typ.

Max.

Units

Air Gap Range

AG

Operating, target speed > 20 RPM

0.5

–

2.5

mm

Calibration Cycle

Output edges before which

1

1

1

Edge

calibration is completed*

Calibration Update

Output falling edges for startup

64

64

64

Edges

calibration to be complete

Minimum Speed

–0–

r/s

Maximum Speed

60 teeth per second = 1 r/s

–

133

–

r/s

Timing Accuracy

Target speed = 1000 rpm,

–

±0.2

±0.5

°

0.5 mm < AG < 2.5 mm

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

REFERENCE GEAR DIMENSIONS (60-0)

Limits

Characteristic

Symbol

Description

Min.

Typ.

Max.

Units

Diameter

D

O

–

120

–

mm

Tooth Width

T

–

3.0

–

mm

Valley Width

–

3.0

–

mm

Valley Depth

h

t

–

3.0

–

mm

Thickness

F

3.0

–

–

mm