A1301
and
A1302
Continuous-Time Ratiometric
Linear Hall Effect Sensors
DEVICE CHARACTERISTICS
over operating temperature range, T
A
, and V
CC
= 5 V, unless otherwise noted
Characteristic
Symbol
Test Conditions
Min.
Electrical Characteristics
Supply Voltage
V
CC
Running, T
J
< 165°C
4.5
Output open
–
Supply Current
I
CC
V
OUT(High)
I
SOURCE
= –1 mA, Sens = nominal
4.65
Output Voltage
–
V
OUT(Low)
I
SINK
= 1 mA, Sens = nominal
Output Bandwidth
BW
–
V
CC(min)
to 0.95 V
OUT;
B = ±1400 G;
Power-On Time
t
PO
–
Slew rate = 4.5 V/μs to 4.5 V/100 ns
Output Resistance
R
OUT
I
SINK
≤
1 mA, I
SOURCE
≥
–1 mA
–
External output low pass filter
≤
10 kHz;
Wide Band Output Noise, rms
V
OUTN
–
Sens = nominal
Ratiometry
Quiescent Output Voltage Error
ΔV
OUTQ(V)
T
A
= 25°C
–
with respect to
ΔV
CC1
Magnetic Sensitivity Error with
ΔSens
(V)
T
A
= 25°C
–
respect to
ΔV
CC2
Output
Linearity
Lin
T
A
= 25°C
–
Symmetry
Sym
T
A
= 25°C
–
Magnetic Characteristics
Quiescent Output Voltage
V
OUTQ
B = 0 G; T
A
= 25°C
2.4
Quiescent Output Voltage over
V
OUTQ(ΔT
A
)
B = 0 G
2.2
Operating Temperature Range
2.0
A1301; T
A
= 25°C
Magnetic Sensitivity
Sens
A1302; T
A
= 25°C
1.0
A1301
1.8
Magnetic Sensitivity over
Sens
(ΔT
A
)
Operating Temperature Range
A1302
0.85
1
Refer to equation (4) in Ratiometric section on page 4.
2
Refer to equation (5) in Ratiometric section on page 4.
Typ.
–
–
4.7
0.2
20
3
2
150
Max.
6
11
–
0.25
–
5
5
–
Units
V
mA
V
V
kHz
μs
Ω
μV
–
–
–
–
2.5
–
2.5
1.3
–
–
±3.0
±3.0
±2.5
±3.0
2.6
2.8
3.0
1.6
3.2
1.75
%
%
%
%
V
V
mV/G
mV/G
mV/G
mV/G
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
3
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
