SS109
Unipolar Hall Switch
General Electrical Specifications
DC Operating Parameters T
A
= 25℃, V
DD
= 2.5V to 24V (unless otherwise specified)
Parameter
Supply Voltage
Supply Current
Output Saturation Voltage
Output Leakage Current
Output Rise Time
Output Fall Time
Maximum Switching Frequency
Package Thermal Resistance
Symbol
V
DD
I
DD
V
DSon
I
OFF
t
r
t
f
F
SW
R
TH
Test Conditions
Operating
B < B
RP
I
OUT
= 20mA, B > B
OP
B < B
RP
V
OUT
= 24V
R
L
= 1kΩ, C
L
= 20pF
R
L
= 1kΩ, C
L
= 20pF
---
Single layer (1S) Jedec board
Min
2.2
Typ
Max
24
5
0.5
10
Units
V
mA
V
µA
µs
µs
KHz
°C/W
1
0.25
0.25
10
301
Table 3: Electrical Specifications
Note:
The output of SS109 will be switched after the supply voltage is over 2.2V, but the magnetic
characteristics won't be normal until the supply is over 2.5V.
Magnetic Specifications
DC Operating Parameters V
DD
= 2.5V to 24V (unless otherwise specified)
SS109
Parameter
Operating Point
Release Point
Hysteresis
Operating Point
Release Point
Hysteresis
Operating Point
Release Point
Hysteresis
Symbol
B
OP
B
RP
B
HYST
B
OP
B
RP
B
HYST
B
OP
B
RP
B
HYST
Test Conditions
E spec., T
A
= 85°C
Min
-150
-120
30
-160
-130
30
-170
-140
30
Typ
-120
-80
40
-120
-80
40
-120
-80
40
Max
-90
-40
50
-85
-35
50
-80
-30
50
Units
G
G
G
G
G
G
G
G
G
K spec., T
A
= 125°C
L spec., T
A
= 150°C
Table 4: Magnetic Specifications
Output Behavior versus Magnetic Pole
DC Operating Parameters T
A
= -40℃ to 150℃, V
DD
= 2.5V to 24V (unless otherwise specified)
Parameter
Test Conditions
OUT
Low
Low
High
South pole (SOT )
B > B
OP
North pole ( TO)
B > B
OP
Null or weak magnetic field
B = 0 or B < B
RP
Table5:Output behavior versus magnetic pole
3
V2.10
May 1, 2012
SECELECTRONICS [ SEC Electronics Inc. ]
