A1421LK-T Allegro Microsystems Inc, A1421LK-T Datasheet - Page 15

• Manufacturer Part Number: A1421LK-T
• Description: IC,HALL-EFFECT SENSOR,SINGLE-ENDED,SIP,4PIN,PLASTIC
• Manufacturer: Allegro Microsystems Inc
• Type: Special Purposer

Specifications of A1421LK-T

• Rohs Compliant: YES
• 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
• Magnetic Type: Monolithic
• Operating Supply Voltage (min): 4V
• Operating Supply Voltage (typ): 12V
• Operating Supply Voltage (max): 26.5V
• Output Current: 25mA
• Mag Sensor Operate Point (g): 27.5Gs
• Mag Sensor Release Point (g): -12.5Gs
• Mag Sensor Hysteresis(g): 15Gs
• Package Type: SIP
• Pin Count: 4
• Mounting: Through Hole
• Operating Temp Range: -40C to 150C
• Operating Temperature Classification: Automotive
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

A1421, A1422,
and
5,581,179; 5,517,112; 5,619,137; 5,621,319; 5,650,719; 5,686,894; 5,694,038; 5,729,130; 5,917,320; and other patents pending.
mit improvements in the per for mance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the
information being relied upon is current.
failure of that life support device or system, or to affect the safety or effectiveness of that device or system.
nor for any in fringe ment of patents or other rights of third parties which may result from its use.
Copyright ©2004-2009, Allegro MicroSystems, Inc.
The products described herein are manufactured under one or more of the following U.S. patents: 5,045,920; 5,264,783; 5,442,283; 5,389,889;
Allegro MicroSystems, Inc. reserves the right to make, from time to time, such de par tures from the detail spec i fi ca tions as may be required to per-
Allegro’s products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the
The in for ma tion in clud ed herein is believed to be ac cu rate and reliable. How ev er, Allegro MicroSystems, Inc. assumes no re spon si bil i ty for its use;
A1423
14.73 ±0.51
3.43
+0.08
–0.05
2.16
MAX
0.41
E1
45°
+0.07
–0.05
1
2
5.21
For the latest version of this document, visit our website:
High Precision Hall Effect AC-Coupled Differential
2.20
E
+0.08
–0.05
3
4
1.50
E
1.27 NOM
Package K, 4-pin SIP
1.29
B
A
E2
E
www.allegromicro.com
Branded
Face
Sensor IC with Integrated Filter Capacitor
D
0.38
1.55 ±0.05
45°
0.84 REF
+0.06
–0.03
Mold Ejector
Pin Indent
For Reference Only; not for tooling use (reference DWG-9010)
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
C
A
B
E
D Active Area Depth, .0.42 mm
Hall elements (E1 and E2); not to scale
Gate and tie bar burr area
Dambar removal protrusion (8X)
Branding scale and appearance at supplier discretion
D
W = Week of manufacture
Standard Branding Reference View
N = Device part number
Y = Last two digits of year of manufacture
1
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
YYWW
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15