OPTEK Technology Inc. —
1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747
FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
Issue B.1 06/07
Page 5 of 7
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
High Reliability Hallogic Hall-Effect Sensors
OMH090 OMH3019, OMH3020, OMH3040, OMH3075,
OMH3131 (B, S versions)
Notes:
(1) South pole facing symbolized surface.
Electrical Characteristics
(V
CC
= 4.5 V to 24 V, T
A
= 25
° C
unless otherwise noted)
OMH3075, OMH3075B, OMH3075S Bi-Polar Latching
SYMBOL
PARAMETER
MIN
TYP
MAX UNITS
TEST CONDITIONS
B
OP
Magnetic Operate Point
(1)
50
25
150
-
250
275
Gauss -55°C & +125°C
B
RP
Magnetic Release Point
-250
-275
-150
-
-50
-25
Gauss -55°C & +125°C
B
H
Magnetic Hysteresis
100
50
200
-
500
-
Gauss -55°C & +125°C
I
CC
Supply Current
-
-
4
-
7
8
mA
+25°C, V
CC
= 24 V, Output On, B
≤
250 Gauss
-55°C & +125°C
V
OL
Output Saturation Voltage
-
-
-
-
100
-
500
400
400
mV
-55°C
+25°C, V
CC
= 4.5 V, I
OL
= 20 mA, B
≥
250 Gauss
+125°C
I
OH
Output Leakage Current
-
0.10
1.0
μA
V
CC
= 24 V, V
OUT
= 24 V, B
≤
250 Gauss
t
r
Output Rise Time
-
0.21
1
μs
t
f
Output Fall Time
-
0.10
1
μs
R
L
= 820
, C
L
= 20 pF, V
cc
= 12 V
(guaranteed not tested)
Electrical Characteristics
(V
CC
= 4.5 V to 24 V, T
A
= 25
° C
unless otherwise noted)
OMH3131, OMH3131B & OMS3131S Uni-Polar
SYMBOL
PARAMETER
MIN
TYP
MAX UNITS
TEST CONDITIONS
B
OP
Magnetic Operate Point
(1)
20
10
-
-
95
150
Gauss -55°C to +125°C
B
RP
Magnetic Release Point
10
5
-
-
85
145
Gauss -55°C to +125°C
B
H
Magnetic Hysteresis
5
5
-
-
40
145
Gauss -55°C to +125°C
I
CC
Supply Current
-
4
7
mA
V
CC
= 24 V, Output On, B > 250 Gauss
V
OL
Output Saturation Voltage
-
100
400
mV
V
CC
= 4.5 V, I
OL
= 15 mA, B
≥
250 Gauss
I
OH
Output Leakage Current
-
0.10
10
μA
V
CC
= 24 V, V
OUT
= 24 V, B
≤
0 Gauss
t
r
Output Rise Time
-
0.21
1
μs
t
f
Output Fall Time
-
0.10
1
μs
R
L
= 820
, C
L
= 20 pF, V
cc
= 12 V
(guaranteed not tested)