A1391 and A1392
Micro Power 3 V Linear Hall Effect Sensor with Tri-State Output and User-Selectable Sleep Mode
Magnetic Characteristic Data
Average Ratiometry, V
OUTQ
, versus Ambient Temperture
(A139x)
101.0
Average Ratiometry, Voq (%)
100.8
100.6
100.4
100.2
100.0
99.8
99.6
99.4
99.2
99.0
-20
-5
10
25
40
T
A
(°C)
2.5 to 3 V
3.5 to 3 V
55
70
85
Average Ratiometry, Sens, versus Ambient Temperture
(A1391)
102.0
Average Ratiometry, Sens (%)
Average Ratiometry, Sens (%)
Average Ratiometry, Sens, versus Ambient Temperture
(A1392)
102.0
101.5
101.0
100.5
100.0
99.5
99.0
98.5
98.0
97.5
-20
-5
10
25
40
T
A
(°C)
55
70
85
101.5
101.0
100.5
100.0
99.5
99.0
98.5
98.0
97.5
2.5 to 3 V
3.5 to 3 V
2.5 to 3 V
3.5 to 3 V
-20
-5
10
25
40
T
A
(°C)
55
70
85
Average Symmetry, Vcc=Vref=Vsleep=3V
(A139x)
102.0
101.5
Average Symetry (%)
Average Linearity
(A139x)
102.0
101.5
Average Linearity (%)
101.0
100.5
100.0
99.5
99.0
98.5
98.0
97.5
97.0
-20
-5
10
Linearity - , Vcc=3.5V
Linearity +, Vcc=3.5V
Linearity +, Vcc=2.5V
Linearity -, Vcc = 2.5V
101.0
100.5
100.0
99.5
99.0
98.5
98.0
97.5
-20
-5
10
25
40
T
A
(°C)
55
70
85
25
40
T
A
(°C)
55
70
85
A1391-DS
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
7
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
