A1324, A1325,
and A1326
Linear Hall Effect Sensor ICs with Analog Output
Selection Guide
Sensitivity (Typ.)
Part Number
Packing1
Package
(mV/G)
A1324LLHLT-T
A1324LLHLX-T
A1324LUA-T2
A1325LLHLT-T
A1325LLHLX-T
A1325LUA-T2
A1326LLHLT-T
A1326LLHLX-T
3 000 pieces per reel
3-pin SOT-23W surface mount
3-pin SOT-23W surface mount
3-pin ultramini SIP through hole mount
3-pin SOT-23W surface mount
3-pin SOT-23W surface mount
3-pin ultramini SIP through hole mount
3-pin SOT-23W surface mount
3-pin SOT-23W surface mount
3-pin ultramini SIP through hole mount
10 000 pieces per reel
500 pieces per bag
3 000 pieces per reel
10 000 pieces per reel
500 pieces per bag
3 000 pieces per reel
10 000 pieces per reel
500 pieces per bag
5.000
3.125
2.500
A1326LUA-T2
™
1Contact Allegro for additional packing options.
2Contact factory for availability.
Absolute Maximum Ratings
Characteristic
Symbol
VCC
Notes
Rating
Unit
V
Forward Supply Voltage
Reverse Supply Voltage
Forward Output Voltage
Reverse Output Voltage
Output Source Current
Output Sink Current
8
–0.1
VRCC
V
VOUT
15
V
VROUT
–0.1
V
IOUT(SOURCE) VOUT to GND
2
mA
mA
ºC
ºC
ºC
IOUT(SINK)
TA
VCC to VOUT
10
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
L temperature range
–40 to 150
165
TJ(max)
Tstg
–65 to 170
Thermal Characteristics may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions*
Value Unit
Package LH, on 4-layer PCB with copper limited to solder pads
228
110
165
ºC/W
ºC/W
ºC/W
Package LH, on 2-layer PCB with 0.463 in.2 of copper area each
side, connected by thermal vias
Package Thermal Resistance
RθJA
Package UA, on 1-layer PCB with copper limited to solder pads
*Additional thermal information available on the Allegro website
Pin-out Diagrams
Terminal List Table
Number
Name
Function
3
LH
UA
Input power supply; tie to GND with
bypass capacitor
VCC
1
1
Output signal; also used for
programming
VOUT
GND
2
3
3
2
Ground
1
2
3
1
2
LH Package
UA Package
Allegro MicroSystems, LLC
115 Northeast Cutoff
2
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com