A1421LK Allegro Microsystems Inc, A1421LK Datasheet - Page 11

• Manufacturer Part Number: A1421LK
• Description: IC SENSOR HALL EFFECT AC 4-SIP
• Manufacturer: Allegro Microsystems Inc
• Type: Special Purposer

Specifications of A1421LK

• Sensing Range: 27.5G Trip, -12.5G Release
• Voltage - Supply: 4 V ~ 26.5 V
• Current - Supply: 7mA
• Current - Output (max): 25mA
• Output Type: Digital, Open Collector
• Features: High Precision
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 4-SIP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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