A3241 and A3242
Chopper-Stabilized Unipolar Hall Effect Switches
Product Selection Guide
Part Number
Pb-
free
Packing*
Mounting
A3241ELHLT
A3241ELHLT-T
– 7-in. reel, 3000 pieces/reel
Yes
3-pin SOT23W surface mount
A3241EUA
A3241EUA-T
– Bulk, 500 pieces/bag
Yes
3-pin SIP through hole
A3241LLHLT
A3241LLHLT-T
–
7-in. reel, 3000 pieces/reel
Yes
3-pin SOT23W surface mount
A3241LUA
A3241LUA-T
–
Bulk, 500 pieces/bag
Yes
3-pin SIP through hole
A3242ELHLT
A3242ELHLT-T
–
7-in. reel, 3000 pieces/reel
Yes
3-pin SOT23W surface mount
A3242EUA
A3242EUA-T
–
Yes Bulk, 500 pieces/bag
3-pin SIP through hole
A3242LLHLT
A3242LLHLT-T
–
Yes 7-in. reel, 3000 pieces/reel
3-pin SOT23W surface mount
A3242LUA
A3242LUA-T
–
Yes Bulk, 500 pieces/bag
*Contact Allegro for additional packing options.
3-pin SIP through hole
Ambient, TA
(°C)
BRP(MIN) BOP(MAX)
(G)
(G)
–40 to 85
40
135
–40 to 150
–40 to 85
110
200
–40 to 150
Functional Block Diagram
VCC
Amp
Amp
Regulator
To All Subcircuits
Control
Current Limit
VOUT
<1Ω
Terminal List
Name
VCC
VOUT
GND
Description
Connects power supply to chip
Output from circuit
Ground
A3241-DS, Rev. 2
GND
Number
Package LH Package UA
1
1
2
3
3
2
Allegro MicroSystems, Inc.
2
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com