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 7 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)

OMH090, OMH3019, OMH3020, OMH3040, OMH3075, OMH3131 (B, S)

U.U.T.

820 Ohm

20 pf

3

2

1

Vcc

Output

Ground

OH

V

10%

90%

Tr

Tf

90%

10%

RP

B

Magnetic Field

0

50

100

150

200

250

300

350

-40°C

0°C

40°C

80°C

120°C

150°C

Temperature (°C)

Rise Time

Fall Time

Rise and Fall Time vs Temperature

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

-40°C

0°C

40°C

80°C

120°C

150°C

Temperature (°C)

Icc ON (mA)

Icc OFF (mA)

0.10

0.15

0.20

0.25

0.30

0.35

0.40

-40°C

0°C

40°C

80°C

120°C

150°C

Temperature (°C)

ohms

Saturation Voltage vs Temperature