Position Sensor IC

with Speed and Direction Output

ATS696PSM

2

Allegro MicroSystems, LLC

955 Perimeter Road

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

www.allegromicro.com

PROGRAMMABLE OPTIONS

Name

Available Selections*

Sensor Output Protocol

Pulse Width Option

(Output is the variable pulse width protocol used to

convey speed of rotation and relative direction)

Speed Only Option

(Output is a digital square wave used to determine

speed on rotation; no direction information is provided)

Target movement from pin 1 to pin 3

(F Option)

Target movement from pin 3 to pin 1

(R Option)

Output Pulse Location

Pulse opposite tooth with

ferromagnetic target and back-

biasing magnet south pole to

ATS696 rear face

(N Option)

Pulse opposite valley with

ferromagnetic target and back-

biasing magnet south pole to

ATS696 rear face

(S Option)

Pulse opposite both tooth and

valley with ferromagnetic target and

back-biasing magnet

(D Option)

22 μs

(F22 Option)

45 μs

(F45 Option)

45 μs

(R45 Option)

90 μs

(R90 Option)

135 μs

(R135 Option)

180 μs

(R180 Option)

1 μs

(Fast Option)

3 μs

(Medium Option)

6 μs

(Slow Option)

Typical Startup Hysteresis

12.5 G

25 G

50 G

100 G

Vibration Recovery

Enabled for 63

consecutive forward

pulses

(S Option)

Enabled for 255

consecutive forward

pulses

(T Option)

Always On

(N Option)

Always Off

(F Option)

Target Type

Standard

(Speed Channel Switchpoint Location: 50%

Required Direction Channel Separation

at Switchpoint: 35%)

Wide Tooth

(Speed Channel Switchpoint

Location: 68.75 %

Required Direction Channel Separation

at Switchpoint: 25%)

Target Profiling Diagnostics

Diagnostics enabled

(D Option)

Diagnostics not available

(NA)

*Not all combinations are available. Contact Allegro sales for pricing and availability of custom programming options.

SELECTION GUIDE

Selected Programmable Option

Standard Option

Pulse

Width

Option

R

N

F45

R90

Medium

25 G

Standard

S

NA