AH342 
Document number: DS30886 Rev. 4 - 2 
1 of 7
www.diodes.com
December 2013
?Diodes Incorporated 
H342 
ACTIVE HIGH/LOW COMPLEMENTARY OUTPUT HALL-EFFECT LATCH
 
Description
The AH342 is a bipolar latching hall IC with a pair of complementary
push/pull outputs. A dual hall element is used to offset stress induced
noise and drift. The robust outputs are capable of sourcing up to
7.4mA and sinking up to 4.4mA. The device contains inherent reverse
polarity protection up to the full power supply range.
 
 
 
 
 
 
 
 
 
 
 
Features
"     Digital dual complementary sink/source outputs
"     Reverse Voltage Polarity protection for full supply range
"     High output current capability
"     Low profile packages: SIP-4L
"     Lead Free Package: SIP-4L
"     Lead-Free Finish; RoHS Compliant (Notes 1 & 2)?/DIV>
 
 
Pin Assignments
342
1  2
4
3
1 : Vcc
2 : DO
3 : DOB
4 : Vss
 ( Top View )
SIP-4L
 
 
Applications
"     Conveyors
"     Motor Control
"     Power Sensing
"     Linear or Rotary Motion Detection
"     RPM Sensing
 
 
 
 
 
Notes:     1. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. All applicable RoHS exemptions applied.
 
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporateds definitions of Halogen- and Antimony-free, "Green"
 
  and Lead-free.
 
 
 
 
 
Pin Descriptions 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pin Name
P/I/O
Pin #
Description
V
CC
 
P
1 
Power Supply Input 
DO 
O
2 
Output Pin 
DOB 
O
3 
Output Pin 
Vss 
P
4 
Ground 
Pb
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