High Precision Hall Effect AC-Coupled Differential
Sensor IC with Integrated Filter Capacitor
A1421, A1422,
and A1423
11
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Device Evaluation: EMC Characterization
Test Name
Reference Speci cation
ESD  Human Body Model
*
AEC-Q100-002
ESD  Machine Model
AEC-Q100-003
Conducted Transients
ISO 7637-1
Direct RF Injection
ISO 11452-7
Bulk Current Injection
ISO 11452-4
TEM Cell
ISO 11452-3
*
ESD test is done with no external components.
Please contact Allegro MicroSystems for EMC performance information.
V
s
C1
R2
1
VCC
3
TEST
VOUT
GND
2
4
R1
C2
A1421, A1422
or A1423
Component  Value  Units
R1
*
1    k?/DIV>
R2
100    ?/DIV>
C1
0.1    糉
C2
0.1    稦
*
Pull-up resistor not required for
protection but for normal operation.
Recommended EMC test circuit. Test circuit recommended
configuration may change after evaluation of first silicon.
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