A3340 Allegro MicroSystems, Inc., A3340 Datasheet - Page 3
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A3340
Manufacturer Part Number
A3340
Description
Chopper-stabilized, Precision Hall-effect Switch
Manufacturer
Allegro MicroSystems, Inc.
Datasheet
1.A3340.pdf
(9 pages)
A3340
Operating Characteristics
Electrical Characteristics
Supply Voltage Range
Output Leakage Current
Output Saturation Voltage
Output Current Limit
Power-On Time
Chopping Frequency
Output Rise Time
Output Fall Time
Supply Current
Reverse Battery Current
Zener Voltage
Zener Impedance
Magnetic Characteristics
Operate Point
Release Point
Hysteresis
1
12 V. Performance may vary for individual units, within the specified maximum and minimum limits.
2
3
3
Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions, such as T
Maximum voltage must be adjusted for power dissipation and junction temperature.
1 G (gauss) = 0.1 mT (millitesla).
B
OP
= operate point (output turns off); B
Characteristic
4
4
2
3
, valid over T
Chopper-Stabilized, Precision Hall-Effect Switch
RP
V
= release point (output turns on).
Symbol
OUT(SAT)
I
V
I
B
B
Z
B
I
t
I
RCC
V
OFF
OM
PO
f
CC
t
hys
CC
t
ZD
OP
RP
C
r
ZD
f
A
, unless otherwise noted
Operating, T
V
I
B < B
V
R
R
B < B
B > B
V
V
Z
B
OUT
OUT
CC
RCC
Z
Z
OP
LOAD
LOAD
+ V
+ Z
– B
> 4.2 V
= 20 mA, B < B
RP
RP
OP
= 24 V, B > B
= –30 V
D
D
= 820 Ω, C
= 820 Ω, C
, I
, V
, V
, I
RP
CC
CC
CC
CC
Test Conditions
J
= 15 mA, T
= 15 mA, T
= 12 V
= 12 V
< 165°C
LOAD
LOAD
OP
RP
= 20 pF
= 20 pF
A
A
= 25°C
= 25°C
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Min.
4.2
5.0
30
28
–
–
–
–
–
–
–
–
–
–
–
–
Typ.
270
340
0.2
0.1
3.0
4.0
32
50
35
25
–
–
–
–
–
6
A
1
= 25°C and V
Max.
-5.0
500
2.0
2.0
6.0
6.0
24
10
60
50
37
50
–
–
–
–
CC
Units
kHz
mV
mA
mA
mA
mA
μA
=
μs
μs
μs
Ω
G
G
G
V
V
3