Chopper-Stabilized Hall Effect Bipolar Switch
A3230
11
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Package LH, 3-Pin SOT23-W
Terminal List
Name
Description
Number
Package LH   Package UA
VCC
Connects power supply to chip
1
1
VOUT
Output from circuit
2
3
GND
Ground
3
2
Package LH
Package UA
1
3
2
3
Pin-out Drawings
0.55 REF
Gauge Plane
Seating Plane
0.25 BSC
0.95 BSC
0.95
1.00
0.70
2.40
2
1
A Active Area Depth, 0.28 mm REF
B
C
C
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
Branding scale and appearance at supplier discretion
A
PCB Layout Reference View
Standard Branding Reference View
1
Branded Face
  N = Last two digits of device part number
  T = Temperature code
NNT
2.90
+0.10
0.20
8X 10?REF
0.180
+0.020
0.053
0.05
+0.10
0.05
0.25 MIN
1.91
+0.19
0.06
2.98
+0.12
0.08
1.00 ?.13
0.40 ?.10
4氨4?/DIV>
For Reference Only; not for tooling use (reference dwg. 802840)
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
D Hall element, not to scale
D
D
D
1.49
0.96
3
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