ELECTRICAL CHARACTERISTICS Valid at T
A
= 40癈 to 150癈, T
J
< T
J
(max), C
BYP
= 0.01 糉, through operating supply voltage
range; unless otherwise noted
Characteristics
Symbol
Test Conditions
Min. Typ. Max. Unit
Supply Voltage
1,2
V
CC
Operating, T
J
d 165 癈
3.0
24
V
Supply Current
I
CC(L)
A1190
B > B
OP
2.0
5.0 mA
A1192
B > B
OP
5
6.9 mA
A1193
B < B
RP
5
6.9 mA
I
CC(H)
A1190, A1192 B < B
RP
12
17
mA
A1193
B > B
OP
12
17
mA
Supply Zener Clamp Voltage
V
Z(sup)
I
CC
= I
CC(L)
(max) + 3 mA, T
A
= 25癈
28
V
Supply Zener Clamp Current
I
Z(sup)
V
Z(sup)
= 28 V
I
CC(L)
(max)
+ 3 mA
mA
Reverse Supply Current
I
RCC
V
RCC
= 18 V
1.6 mA
Output Slew Rate
3
di/dt
No bypass capacitor, capacitance of probe
C
S
= 20 pF
90
mA / 約
Chopping Frequency
f
C
700
kHz
Power-Up Time
2,4,5
t
on
A1190, A1192 C
BYP
= 0.01 糉, B > B
OP
+ 10 G
25
約
A1193
C
BYP
= 0.01 糉, B < B
RP
10 G
25
約
Power-Up State
6,7
POS t
on
< t
on
(max) , V
CC
slew rate > 25 mV / 約
I
CC(H)
1
V
CC
represents the generated voltage between the VCC pin and the GND pin.
2
The V
CC
slew rate must exceed 600 mV/ms from 0 to 3 V. A slower slew rate through this range can affect device performance.
3
Measured without bypass capacitor between VCC pin and the GND pin. Use of a bypass capacitor results in slower current change.
4
Power-Up Time is measured without and with a bypass capacitor of 0.01 糉. Adding a larger bypass capacitor would cause longer Power-Up Time.
5
Guaranteed by characterization and design.
6
Power-Up State as defined is true only with a V
CC
slew rate of 25 mV / 約 or greater.
7
For t > t
on
and B
RP
< B < B
OP
, Power-Up State is not defined.
MAGNETIC CHARACTERISTICS
1
Valid at T
A
= 40癈 to 150癈, T
J
d T
J
(max); unless otherwise noted
Characteristics
Symbol
Test Conditions
Min. Typ. Max. Unit
2
Initial Operate Point
B
OP(init)
14 10
G
Programmable Magnetic
Operating Point
B
OP
T
A
= 25癈
10
200
G
Average Magnetic Step Size
3
STEP
BOP
T
A
= 25癈, V
CC
= 5 V
3
4.8 7.5
G
Switchpoint Temperature Drift
擝
OP
?0
G
Hysteresis
B
HYS
5
30
G
1
Relative values of B use the algebraic convention, where positive values indicate south magnetic polarity, and negative values indicate north
magnetic polarity; therefore greater B values indicate a stronger south polarity field (or a weaker north polarity field, if present).
2
1 G (gauss) = 0.1 mT (millitesla).
3
STEP
BOP
is a calculated average from the cumulative programmed bits.
PROGRAMMABLE PARAMETERS
Name
Functional Description
Quantity
of Bits
B
OP
Trim
Fine trim of Programmable Magnetic Operating Point
6
Programming Lock
Lock access to programming
1
Programmable, Chopper-Stabilized,
Two Wire Hall-Effect Switches
A1190, A1192,
and A1193
3
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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