High Reliability Hallogic Hall-Effect Sensors
OMH090 OMH3019, OMH3020, OMH3040, OMH3075,
OMH3131 (B, S versions)
OMH3020, OMH3020B, OMH3020S Uni-Polar
SYMBOL
B
OP
B
RP
B
H
Icc
V
OL
I
OH
t
r
t
f
PARAMETER
Magnetic Operate Point
(1)
Magnetic Release Point
Magnetic Hysteresis
Supply Current
Output Saturation Voltage
Output Leakage Current
Output Rise Time
Output Fall Time
-
-
50
25
10
10
-
-
-
-
-
Electrical Characteristics
(V
CC
= 4.5 V to 24 V, T
A
= 25° C unless otherwise noted)
MIN
TYP
230
-
180
-
50
-
4
100
0.10
0.21
0.10
MAX
350
425
-
-
-
-
7
400
10
1
1
UNITS
Gauss
Gauss
Gauss
mA
mV
µA
µs
µs
TEST CONDITIONS
+25°C
-55°C & +125°C
+25°C
-55°C & +125°C
+25°C
-55°C & +125°C
V
CC
= 24 V, Output On, B
≤
50 Gauss
V
CC
= 4.5 V, I
OL
= 15 mA, B
≥
350 Gauss
V
CC
= 24 V, V
OUT
= 24 V, B
≤
50 Gauss
R
L
= 820
Ω,
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)
OMH3040, OMH3040B, OMH3040S Uni-Polar
SYMBOL
B
OP
B
RP
B
H
Icc
V
OL
I
OH
t
r
t
f
PARAMETER
Magnetic Operate Point
(1)
Magnetic Release Point
Magnetic Hysteresis
Supply Current
Output Saturation Voltage
Output Leakage Current
Output Rise Time
Output Fall Time
MIN
70
75
50
25
20
20
-
-
-
-
-
-
-
-
TYP
150
-
115
-
35
-
4
-
100
-
0.10
-
0.21
0.10
MAX
200
270
180
210
-
-
7
8
400
11
10
12
1
1
UNITS
Gauss
Gauss
Gauss
mA
mV
µA
µs
µs
TEST CONDITIONS
+25°C
-55°C & +125°C
+25°C
-55°C & +125°C
+25°C
-55°C & +125°C
+25°C, V
CC
= 24 V, Output On, B
≤
250 Gauss
-55°C & +125°C
V
CC
= 4.5 V, I
OL
= 20 mA, B
≥
250 Gauss
-55°C
+25°C, V
CC
= 24V, V
OUT
= 24V, B
≤
250 Gauss
+125°C
R
L
= 820
Ω,
C
L
= 20 pF, V
CC
= 12 V
(guaranteed not tested)
Notes:
(1) South pole facing symbolized surface.
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Issue B.1 06/07
Page 4 of 7
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