AH9281/82

Document number: DS41221 Rev. 2 - 2

4 of 12

www.diodes.com

July 2018

© Diodes Incorporated

AH9281/82

Pin Descriptions

Pin Number

Pin Name

Function

1

VCC

Power supply pin

2

GND

Ground pin

3

FG/RD

Frequency Generator (Rotation Detection) open drain output

4

DO

Output pin 1

5

DOB

Output pin 2

Functional Block Diagram

Regulator

Bias

Logic

Control

Lock Shutdown

and

Automatic Restart

+

-

1

2

4

5

3

VCC

DO

DOB

FG/RD

GND

Chop

Amp

Schmitt

Hall

Sensor