Position Sensor IC

with Speed and Direction Output

ATS696PSM

12

Allegro MicroSystems, LLC

955 Perimeter Road

Manchester, NH 03103-3353 U.S.A.

www.allegromicro.com

Figure 10: Channel Separation and Signal Inversion Definitions

IC

SM Package

(top view)

Ideal Target Pitch

= 4 × Differential Hall Element Pitch

= 5 mm

E3

E2

E1

Package Case

Branded Face

(Pin 3 Side)

(Pin 1 Side)

Speed Channel Element Pitch

Differential Hall Element Pitch

1.25 mm

0.625 mm

0.625 mm

Switchpoint

Range (at

Switching

Feature)

Speed

Direction A

Direction B

100

75

50

25

0

Non-Switching

feature; requires

Switching feature;

signal separation

conditions apply

Non-Switching

feature; requires

Switching Feature

Switching Feature

Ferromagnetic Target

Ferromagnetic Target

Option S

Option N

Tooth

Tooth

Valley

Valley

Tooth

Tooth

Valley

Valley