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OPTEK Technologies
OPTEK Technologies


OHS3100

(OHS3000 / OHS3100) Hallogic Hall-effect Sensors



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OHS3100 pdf
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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
Product Photo Here
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. The 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 “O”) with 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:
Non-Contact Reflective Object
Sensor
Assembly Line Automation
Machine Automation
Machine Safety
End of Travel Sensor
Door Sensor
Ordering Information
OH090U, OH180U, OH360U
OH3013U, OH3113U
OHN3019U, OHS3019U, OHN3119U, OHS3119U
OHN3020U, OHS3020U, OHN3120U, OHS3120U
OHN3030U, 0HS3030U, OHN3130U, OHS3130U
OHN3131U, OHS3131U
OHN3040U, OHS3040U, OHN3140U, OHS3140U
OH3075U, OHS3075U, OHN3175U, OHS3175U
OHN3177U, OHS3177U
1 Vcc
Voltage
Regulator
Hall
Element
Output
3
Unipolar
Bi-Polar
Latch
Pin # Transistor
1 VCC
2 Ground
3 Output
2 Ground
RoHS
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
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 A.1 06/05
Page 1 of 9



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OHS3100 pdf
Hallogic Hall-effect Sensors
OH090U, OH180U, OH360U
OHN3000 Series, OHS3000 Series
OHN3100 Series, OHS3100 Series
Absolute Maximum Ratings (TA=25°C unless otherwise noted)
Supply Voltage, Vcc
Storage Temperature Range, TS
Operating Temperature Range, TA
OHN30_ _U
OHS30_ _U
OH090/180/360U
Lead Soldering Temperature (1/8 in. (3.2 mm) from case for 5 sec. with soldering iron)
Output ON Current, ISINK
Output OFF Voltage, VOUT
Magnetic Flux Density, B
25 V
-65°C to +160°C
-20°C to +85°C
-40°C to +125°C
-40°C to +150°C
260°C(1)
25 mA
25 V
Unlimited
Electrical Characteristics (Vcc = 4.5 V to 24 V, TA = 25° C unless otherwise noted)
OH090U Uni-Polar
SYMBOL
PARAMETER
BOP Magnetic Operate Point(1)
BRP Magnetic Release Point
BH Magnetic Hysteresis
Icc Supply Current
MIN TYP MAX UNITS
TEST CONDITIONS
0 90 180 Gauss
-100 65 100 Gauss
10 25 100 Gauss
- 6 9 mA Vcc = 24 V, Output Off
VOL Output Saturation Voltage
IOH Output Leakage Current
tr Output Rise Time
tf Output Fall Time
- 100 300 mV Vcc = 4.5 V, IOL = 20 mA, B 180 Gauss
- 0.5 10.0 µA Vcc = 24 V, VOUT = 24 V, B -100 Gauss
- 0.21 1.00 µs
- 0.10 1.00
µs RL = 820 , CL = 20 pF, Vcc = 14 V
OH180U Uni-Polar
SYMBOL
PARAMETER
BOP Magnetic Operate Point(1)
BRP Magnetic Release Point
BH Magnetic Hysteresis
Icc Supply Current
VOL Output Saturation Voltage
IOH Output Leakage Current
tr Output Rise Time
tf Output Fall Time
Notes:
(1) South pole facing symbolized surface.
MIN TYP MAX UNITS
TEST CONDITIONS
70 180 290 Gauss
0 140 230 Gauss
20 40 120 Gauss
- 6 9 mA Vcc = 24 V, Output Off
- 100 300 mV Vcc = 4.5 V, IOL = 20 mA, B 290 Gauss
-
0.5 10.0
µA Vcc = 24 V, VOUT = 24 V, B 0 Gauss
- 0.21 1.00 µs
- 0.10 1.00 µs RL = 820 , CL = 20 pF, Vcc = 14 V
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Issue A .1 06/05
Page 2 of 9
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



Part Number OHS3100
Description (OHS3000 / OHS3100) Hallogic Hall-effect Sensors
Maker OPTEK Technologies - OPTEK Technologies
Total Page 9 Pages
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