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| Product Bulletin OMH360 June 1996 High Reliability Hallogic(R) Hall Effect Sensor Types OMH360B, OMH360S Features *Lead finish is hot solder dip *Hermetic ceramic package *Operates over a broad range of supply voltages Absolute Maximum Ratings (TA = 25o C unless otherwise noted) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 V Storage Temperature Range, TS . . . . . . . . . . . . . . . . . . . . . . . . . . -65o C to +150o C Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . -55o C to +125o C Lead Soldering Temperature [1/8 inch (3.2mm) from case for 5 sec. with soldering iron]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260o C Output ON Current, ISINK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 mA Output OFF Voltage, VOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 V Magnetic Flux Density, B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unlimited *Excellent temperature stability to operate in harsh environments *Hall element, linear amplifier, and Schmitt trigger on a single Hallogic(R) silicon chip *Processing patterned after class B or class S of MIL-STD-883 *Suitable for military and space applications Functional Block Diagram Description The chip contains a monolithic integrated circuit which incorporates a Hall element, a linear amplifier, and Schmitt trigger on a single silicon chip. Included on-chip is a bandgap voltage regulator to allow operation with a wide range of supply voltages. The device features logic level output and is capable of 25 mA of sink current. Output amplitude is constant at switching frequencies from DC to over 200 kHz. The OMH360B is processed to Optek' s own screening procedures patterned after class B of MIL-STD-883. OMH360S is patterned after class S. Typical screening and lot acceptance provided on page 13-4. Optek Technology, Inc. 1215 W. Crosby Road Carrollton, Texas 75006 14-14 (972) 323-2200 Fax (972) 323-2396 Types OMH360B, OMH360S Electrical Characteristics (TA = 25o C, VCC = 4.5 V to 24 V unless otherwise noted) SYMBOL BOP BRP BH ICC VOL IOH tr tf PARAMETER Magnetic Operate Point Magnetic Release Point Magnetic Hysteresis Supply Current Output Saturation Voltage Output Leakage Current Output Rise Time Output Fall Time MIN TYP MAX 235 170 30 360 280 80 5.0 125 0.1 0.13 0.19 465 360 150 9.0 300 10.0 1.00 1.00 UNITS Gauss Gauss Gauss mA mV A s s TEST CONDITIONS VCC = 24 V, Output On VCC = 4.5 V, IOL = 15 mA VCC = 24 V, VOUT = 24 V RL = 820 , CL = 20 pF RL = 820 , CL = 20 pF Typical Performance Curves Magnetic Operate Point vs. Ambient Temperature Magnetic Release Point vs. Ambient Temperature Supply Current vs. Ambient Temperature TA - Ambient Temperature - oC TA - Ambient Temperature - oC TA - Ambient Temperature - oC Output Saturation Voltage vs. Ambient Temperature TA - Ambient Temperature - oC 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. 1215 W. Crosby Road Carrollton, Texas 75006 (972)323-2200 Fax (972)323-2396 14-15 |
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