A1157 데이터 시트보기 (PDF) - Allegro MicroSystems

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A1157

Chopper-Stabilized, Two Wire Hall-Effect Switches

Allegro MicroSystems 

A1150, A1152, A1153, A1155,

A1156, A1157, and A1158

Chopper-Stabilized, Two Wire

Hall-Effect Switches

Package LH, 3-Pin SOT23W

2.98

+0.12

–0.08

1.49 D

3

A

2.90

+0.10

–0.20

0.96 D

1.91

+0.19

–0.06

D

1

2

0.55 REF

0.25 BSC

8X 10° REF

Branded Face

1.00 ±0.13

0.95 BSC

0.05

+0.10

–0.05

0.40 ±0.10

For Reference Only; not for tooling use (reference DWG-2840)

Dimensions in millimeters

Dimensions exclusive of mold flash, gate burrs, and dambar protrusions

Exact case and lead configuration at supplier discretion within limits shown

A Active Area Depth, 0.28 mm REF

B Reference land pattern layout

All pads a minimum of 0.20 mm from all adjacent pads; adjust as necessary

to meet application process requirements and PCB layout tolerances

C Branding scale and appearance at supplier discretion

D Hall element, not to scale

4°±4°

0.180+–00..005230

2.40

0.70

0.25 MIN

1.00

Seating Plane

Gauge Plane

0.95

B PCB Layout Reference View

NNT

1

C Standard Branding Reference View

N = Last two digits of device part number

T = Temperature code

Allegro MicroSystems, Inc.

10

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

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