3141 THRU 3144
SENSITIVE
HALL-EFFECT SWITCHES
FOR HIGH-TEMP. OPERATION
FUNCTIONAL BLOCK DIAGRAM
1
V
CC
REG.
3
2
OUTPUT
GROUND
X
Dwg. FH-005-2
ELECTRICAL CHARACTERISTICS at VCC = 8 V over operating temperature range.
Limits
Characteristic
Symbol
Test Conditions
Operating
Min.
Typ.
Max.
Units
V
Supply Voltage
VCC
4.5
24
400
10
Output Saturation Voltage
Output Leakage Current
Supply Current
VOUT(SAT)
IOUT = 20 mA, B > BOP
VOUT = 24 V, B < BRP
B < BRP (Output OFF)
RL = 820 Ω, CL = 20 pF
RL = 820 Ω, CL = 20 pF
175
<1.0
4.4
mV
µA
IOFF
ICC
tr
9.0
2.0
2.0
mA
µs
Output Rise Time
Output Fall Time
0.04
0.18
tf
µs
MAGNETIC CHARACTERISTICS in gauss over operating supply voltage range.
Part Numbers*
A3141–
A3142–
A3143–
A3144–
Min. Typ. Max.
Characteristic
Min. Typ. Max.
Min. Typ. Max.
Min. Typ. Max.
BOP at TA = 25°C
50
30
10
10
20
20
100
100
45
160
175
130
145
80
130 180
115 180
75 125
60 125
230
245
175
190
80
220 280
205 280
165 225
150 225
340
355
285
300
80
70
35
50
25
20
20
350
450
330
430
over operating temp. range
BRP at TA = 25°C
over operating temp. range
Bhys at TA = 25°C
over operating temp. range
45
55
30
30
55
55
30
30
55
55
55
55
55
80
80
80
NOTES: Typical values are at TA = +25°C and VCC = 8 V.
BOP = operate point (output turns ON); BRP = release point (output turns OFF); Bhys = hysteresis (BOP - BRP).
*Complete part number includes a suffix to identify operating temperature range (E- or L-) and package type ( -LT, -U, or -UA).
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1993, 1999, Allegro MicroSystems, Inc.
SANKEN [ SANKEN ELECTRIC ]
