Hallogic Hall-effect Sensors
OH090U, OH180U, OH360U
OHN3000 Series, OHS3000 Series
OHN3100 Series, OHS3100 Series
Features:
Designed for non-contact switching operations
Operates over broad range of supply voltages (4.5 V to 24 V)
Operates with excellent temperature stability in harsh
environments
Drive capability up to 7 TTL loads
Description:
These Hall-effect devices contain a monolithic integrated circuit which incorporates a Hall element, a linear
amplifier, a threshold amplifier, and Schmitt trigger on a single Hallogic silicon chip. Included on-chip is a band
gap voltage regulator to allow operation with a wide range of supply voltages. These devices feature logic level
output and provide up to 21 mA of sink current. This allows direct driving of more than 7 TTL loads or any
standard logic family using power supplies ranging from 4.5 to 24 volts. Output amplitude is constant at switching
frequencies from DC to over 200 kHz.
The Uni-Polar turns on with a (logic level 0) after a sufficient magnetic field from the south pole of a magnet
approached the symbolized face of the device (Operating Point) and turns off (logic level 1) after the magnetic
field reached a minimum value. The Bi-Polar latch device turns on (logic level 0) in the presence of a magnetic
south pole and turn off (logic level 1) when subjected to a magnetic north pole. Both magnetic poles are
necessary for operation for Bi-Polar devices. This feature makes these sensors ideal for applications in non-
contact switching operations, brushless DC motors and for use with multiple pole magnets.
Applications:
Ordering Information
Pin # Transistor
Non-contact reflective object
1 V
CC
OH090U, OH180U, OH360U
sensor
OH3013U, OH3113U
2 Ground
Assembly line automation
OHN3019U, OHS3019U, OHN3119U, OHS3119U
Unipolar
3 Output
Machine automation OHN3020U, OHS3020U, OHN3120U, OHS3120U
non-latching
OHN3030U, 0HS3030U, OHN3130U, OHS3130U
Machine safety
OHN3131U, OHS3131U
End of travel sensor
OHN3040U, OHS3040U, OHN3140U, OHS3140U
Door sensor
OH3075U, OHS3075U, OHN3175U, OHS3175U Bi-Polar
OHN3177U, OHS3177U latching
1Vcc
Voltage
Regulator
Output
Hall 3
Element
2 Ground
[MILLIMETERS]
DIMENSIONS ARE IN:
INCHES
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
RoHS
OPTEK Technology Inc. 1645 Wallace Drive, Carrollton, Texas 75006
Issue A .3 10/06
Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
Page 1 of 9 Hallogic Hall-effect Sensors
OH090U, OH180U, OH360U
OHN3000 Series, OHS3000 Series
OHN3100 Series, OHS3100 Series
Absolute Maximum Ratings (T =25C unless otherwise noted)
A
Supply Voltage, Vcc 25 V
Storage Temperature Range, T -65C to +160C
S
Operating Temperature Range, T OHN30_ _U -20C to +85C
A
OHS30_ _U -40C to +125C
OH090/180/360U -40C to +150C
(1)
Lead Soldering Temperature (1/8 in. (3.2 mm) from case for 5 sec. with soldering iron) 260C
Output ON Current, I 25 mA
SINK
Output OFF Voltage, V 25 V
OUT
Magnetic Flux Density, B Unlimited
Electrical Characteristics (Vcc = 4.5 V to 24 V, T = 25 C unless otherwise noted)
A
OH090U Uni-Polar
SYMBOL PARAMETER MIN TYP MAX UNITS TEST CONDITIONS
(1)
B Magnetic Operate Point 0 90 180 Gauss
OP
B Magnetic Release Point -100 65 100 Gauss
RP
B Magnetic Hysteresis 10 25 100 Gauss
H
Icc Supply Current - 6 9 mA Vcc = 24 V, Output Off
V Output Saturation Voltage - 100 300 mV Vcc = 4.5 V, I = 20 mA, B 180 Gauss
OL OL
I Output Leakage Current - 0.5 10.0 A Vcc = 24 V, V = 24 V, B -100 Gauss
OH OUT
t Output Rise Time - 0.21 1.00 s
r
R = 820 , C = 20 pF, Vcc = 14 V
L L
t Output Fall Time - 0.10 1.00 s
f
OH180U Uni-Polar
SYMBOL PARAMETER MIN TYP MAX UNITS TEST CONDITIONS
(1)
B Magnetic Operate Point 70 180 290 Gauss
OP
B Magnetic Release Point 0 140 230 Gauss
RP
B Magnetic Hysteresis 20 40 120 Gauss
H
Icc Supply Current - 6 9 mA Vcc = 24 V, Output Off
V Output Saturation Voltage - 100 300 mV Vcc = 4.5 V, I = 20 mA, B 290 Gauss
OL OL
I Output Leakage Current - 0.5 10.0 A Vcc = 24 V, V = 24 V, B 0 Gauss
OH OUT
t Output Rise Time - 0.21 1.00 s
r
R = 820 , C = 20 pF, Vcc = 14 V
L L
t Output Fall Time - 0.10 1.00 s
f
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 A .3 10/06 OPTEK Technology Inc. 1645 Wallace Drive, Carrollton, Texas 75006
Page 2 of 9 Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com