3280, 3281,
AND
3283
CHOPPER-STABILIZED,
PRECISION
HALL-EFFECT LATCHES
FUNCTIONAL BLOCK DIAGRAM
SUPPLY
REG.
TO ALL
SUBCIRCUITS
DYNAMIC
OFFSET CANCELLATION
OUTPUT
SAMPLE
& HOLD
X
LOW-PASS
FILTER
CONTROL
CURRENT
LIMIT
<1Ω
GROUND
Dwg. FH-020-1
800
ALLOWABLE PACKAGE POWER DISSIPATION in MILLIWATTS
Suffix ‘–LH’ Pinning
(SOT23W)
3
Suffix "–UA"
R
θJA
= 165°C/W
700
600
X
500
Suffix "–LH"
R
θJA
= 228°C/W
400
Suffix "–LT"
R
θJA
= 180°C/W
PTCT
V
300
CC
1
200
2
100
Suffix "L–"
0
20
40
60
100
80
120
AMBIENT TEMPERATURE in
°
C
140
160
180
Dwg. GH-046-2D
Dwg. PH-003-4
3
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 2000, 2003,
2004
Allegro MicroSystems, Inc.
OUTPUT
SUPPLY
Suffix "E–"
GROUND
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
