Data Sheet
High Sensitivity Micropower Omnipolar Hall-Effect Switch
AH9249
Typical Performance Characteristics
50
40
30
50
T
A
=25 C
o
40
30
20
B
OP
/B
RP
(GS)
20
B
OP
/B
RP
(GS)
10
0
-10
-20
-30
-40
-50
2.50
B
OP1
B
OP2
B
RP1
B
RP2
10
0
-10
-20
-30
-40
-50
-40
B
OP1
B
OP2
B
RP1
B
RP2
2.75
3.00
3.25
3.50
-30
-20
-10
0
10
20
O
30
40
50
60
70
80
V
CC
(V)
T
A
( C)
Figure 8. B
OP
/B
RP
vs. Supply Voltage
Figure 9. B
OP
/B
RP
vs. Ambient Temperature
15
14
13
12
o
300
T
A
=25 C
250
T
A
=25 C
o
200
I
AVG
(
μ
A)
11
10
9
8
7
6
2.50
t
AW
(
μ
s)
150
100
50
2.75
3.00
3.25
3.50
0
2.50
2.75
3.00
3.25
3.50
V
CC
(V)
V
CC
(V)
Figure 10. Average Supply Current vs. Supply Voltage
Figure 11. Awake Mode Time vs. Supply Voltage
Jul. 2011
Rev. 1. 6
8
BCD Semiconductor Manufacturing Limited