AH1891
MINIATURE MICROPOWER OMNIPOLAR
HALL EFFECT SWITCH
 
AH1891  
Document number: DS35207 Rev. 1 - 2 
2 of 7
www.diodes.com
April 2011
?Diodes Incorporated 
Pin Descriptions 
 
Pin #
Pin Name
Description
A1 
Out 1 
Output Pin (active low) 
A2 
Out 2
Output Pin (active high)
B1
GND 
Ground 
B2
Vdd
Power Supply Voltage
 
Functional Block Diagram 
 
Out2
GND
Output
Controller
Latch
Latch
Power
switch
Vdd
Hall
Plate
Amp
Hall
Plate
Amp
Out1
GND
Vdd
 
 
Absolute Maximum Ratings (T
A
= 25?/SPAN>C) 
 
Symbol
Parameter
Values
Unit
Vdd
Supply voltage
5
V
B
Magnetic flux density
Unlimited
T
A
 
Operating Temperature Range
-40 to +85
Ts
Storage Temperature Range
-65 to +150
P
D
 
Package Power Dissipation
166
mW
T
J
 
Maximum Junction Temperature
150
 
Recommended Operating Conditions (T
A
= 25?/SPAN>C)   
 
Symbol
Parameter
Conditions
Rating
Unit
Vdd
Supply Voltage
Operating
1.8 to 3.3
V
 
 
 
 
 
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