OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Hallogic Hall-effect Sensors
OH090U, OH180U, OH360U
OHN3000 Series, OHS3000 Series
OHN3100 Series, OHS3100 Series
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 01/09
Page 5 of 10
OHN3020U, OHS3020U, OHN3120U, OHS3120U Uni-Polar
SYMBOL PARAMETER MIN TYP MAX UNITS TEST CONDITIONS
B
OP
Magnetic Operate OH_3020
Point
(1)
OHN3120
OHS3120
70
70
35
230
-
-
350
425
450
Gauss
+25°C
-20°C to +85°C
-40°C to +125°C
B
RP
Magnetic Release OH_3020
Point OHN3120
OHS3120
50
50
25
180
-
-
330
405
430
Gauss
+25°C
-20°C to +85°C
-40°C to +125°C
B
H
Magnetic Hysteresis OH_3020
OHN3120
OHS3120
20
20
20
50
-
-
-
-
-
Gauss
+25°C
-20°C to +85°C
-40°C to +125°C
Icc Supply Current - 4 7 mA Vcc = 24 V, Output Off, B ≤ 50 Gauss
V
OL
Output Saturation Voltage - 100 400 mV Vcc = 4.5 V, I
OL
= 20 mA, B ≥ 350 Gauss
I
OH
Output Leakage Current - 0.1 10.0 µA Vcc = 24 V, V
OUT
= 24 V, B ≤ 50 Gauss
t
r
Output Rise Time - 0.21 1.00 µs
R
L
= 820 Ω, C
L
= 20 pF, Vcc = 12 V
t
f
Output Fall Time - 0.10 1.00 µs
Notes:
(1) South pole facing symbolized surface.
SYMBOL PARAMETER MIN TYP MAX UNITS TEST CONDITIONS
B
OP
Magnetic Operate OH_3019
Point
(1)
OHN3119
OHS3119
175
100
45
300
-
-
500
545
575
Gauss
+25°C
-20°C to +85°C
-40°C to +125°C
B
RP
Magnetic Release OH_3019
Point OHN3119
OHS3119
125
50
25
235
-
-
450
495
555
Gauss
+25°C
-20°C to +85°C
-40°C to +125°C
B
H
Magnetic Hysteresis OH_3019
OHN3119
OHS3119
50
50
20
65
-
-
-
-
-
Gauss
+25°C
-20°C to +85°C
-40°C to +125°C
Icc Supply Current - 4 7 mA Vcc = 24 V, Output Off, B ≤ 125 Gauss
V
OL
Output Saturation Voltage - 100 400 mV Vcc = 4.5 V, I
OL
= 20 mA, B ≥ 500 Gauss
I
OH
Output Leakage Current - 0.1 10.0 µA Vcc = 24 V, V
OUT
= 24 V, B ≤ 100 Gauss
t
r
Output Rise Time
- 0.21 1.00 µs
R
L
= 820 Ω, C
L
= 20 pF, Vcc = 12 V
t
f
Output Fall Time
- 0.10 1.00 µs
OHN3019U, OHS3019U, OHN3119U, OHS3119U Uni-Polar
Electrical Characteristics (Vcc = 4.5 V to 24 V, T
A
= 25° C unless otherwise noted)