True Zero Speed, Low Jitter, High Accuracy

Position Sensor IC

ATS627LSG

3

Allegro MicroSystems, Inc.

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Reference Target 60+2; unless otherwise specified

Characteristics

Symbol

Test Conditions

Min.

Max.

Unit

Electrical Characteristics

4.0

–

24

V

Undervoltage Lockout

–

3.6

3.95

V

–

–

–10

mA

Supply Zener Clamp Voltage

28

–

–

V

Supply Current

–

7

12

mA

–6

–

V

Power-On Characteristics

Power-On State

POS

–

High

–

V

Output Stage Characteristics

Low Output Voltage

0

–

450

mV

Output Zener Clamp Voltage

28

–

–

V

Output Leakage Current

–

–

10

μA

Output Current Limit

25

45

70

mA

Output Rise Time

–

10

–

μs

Output Fall Time

–

0.6

2

μs

DAC Characteristics

–60

–

60

G

Other Operating Characteristics, with Continuous Update method, bounded for increasing and decreasing AG

Running Mode Lockout Enable

LOE

–

115

–

mV

Running Mode Lockout Release

LOR

–

220

–

mV

Operate Point

–

60

–

%

Release Point

–

40

–

%

Bandwidth

Cutoff frequency for low pass filter

–

20

–

kHz

Operational Speed

0

–

12 000

rpm

Performance Characteristics

Operational Magnetic Range

Peak-to-peak differential signal

30

–

1200

G

Air Gap

AG

Compliant to accuracy specifications, measured

from package branded face to target tooth

0.5

–

2.5

mm

No missed edges, measured from package

branded face to target tooth

0.5

–

3.0

mm

Relative Timing Accuracy, Sequential

Mechanical Rising Edges

0.5 mm ≤ AG ≤ 2.5 mm; constant target speed,

Running mode; relative to measurement taken

at AG = 1.5 mm

–

–

±0.4

deg.

Continued on the next page…