A3290 ALLEGRO [Allegro MicroSystems], A3290 Datasheet - Page 3

• Manufacturer Part Number: A3290
• Description: Chopper Stabilized, Precision Hall Effect Latches for Consumer and Industrial Applications
• Manufacturer: ALLEGRO [Allegro MicroSystems]

A3290
A3291
!
2
3
1
2
3
Typical data at T
ELECTRICAL CHARACTERISTICS over operating temperature range, unless otherwise noted
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
Maximum V
The positive polarity symbol (+) indicates south magnetic field, and the negative polarity symbol (–) indicates north magnetic field.
Non-R device option only.
Required polarity observed and transition of magnetic gradient through B
Required polarity observed and transition of magnetic gradient through B
MAGNETIC CHARACTERISTICS
Operate Point
Release Point
Hysteresis (B
Characteristic
Characteristic
CC
and
must be derated for power dissipation and junction temperature. See application information.
A
2
3
OP
= 25°C, 12 V
– B
3
RP
2
)
Chopper Stabilized, Precision Hall Effect Latches
1
V
over V
Symbol
Symbol
Z
V
OUT(SAT)
B
Z
I
Z
V
I
B
B
I
t
I
RCC
OFF
HYS
ON
PO
f
t
t
CC
+ Z
CC
+ V
OP
RP
C
R
F
D
CC
D
range, unless otherwise noted
Operating, T
V
I
B > B
V
R
R
B < B
B > B
V
I
I
OUT
CC
CC
for Consumer and Industrial Applications
OUT
CC
RCC
LOAD
LOAD
A3290
A3291
A3290
A3291
A3290
A3291
= 15 mA, T
= 15 mA, T
> 4.2 V
= 20 mA, B > B
OP
RP
OP
= 24 V, B < B
= –30 V
= 820 Ω, C
= 820 Ω, C
, V
, V
CC
CC
J
T
T
T
T
T
T
T
T
T
T
T
T
< 165°C
= 12 V
= 12 V
A
A
A
A
A
A
A
A
A
A
A
A
A
A
OP
RP
= 25°C
= 25°C
= 25°C and T
= –40°C
= 25°C and T
= –40°C
= 25°C and T
= –40°C
= 25°C and T
= –40°C
= 25°C and T
= –40°C
= 25°C and T
= –40°C
Test Conditions
Test Conditions
LOAD
LOAD
. See functional description.
after B
RP
OP
= 20 pF
= 20 pF
OP
. See functional description.
A(max)
A(max)
A(max)
A(max)
A(max)
A(max)
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Min.
4.2
30
28
–
–
–
–
–
–
–
–
–
–
–100
–100
Min.
–50
–50
10
10
10
20
5
5
–
–
Typ.
185
800
0.2
0.1
3.0
4.0
32
50
–
–
–
–
–
1
Max.
100
100
–10
–10
100
100
200
200
50
50
–5
–5
Max
–5.0
500
2.0
2.0
8.0
8.0
24
10
60
50
37
–
–
Units
Units
kHz
mV
mA
mA
mA
mA
μA
μs
μs
μs
G
G
G
G
G
G
G
G
G
G
G
G
Ω
V
V
3