Product Bulletin OMH3040 June'1996 (P,OPTEK High Reliability Hallogic Hall Effect Sensor Types OMH3040B, OMH3040S 970 (4,32). .070 (1.78) "1430. (3.63) T7050 (1.27) -060:(2.03) 028 (0.71) =)_ Fer SENSOR NN REF mo Does: (2.16) i ' 7 ae o owe [S| +240 (6.10) i ' tre 220, (5.60) i" on a . Vale r t 1 a bec | | | 400.10. 16) 2 0x0 MIN 3: Your 1-2 qa .O15 (0.38) 080 (1.27) 4 cos (ors) [030 (0.76) -020 (0.51) tye -O10 (0.25) -010 (0.25) DIMENSIONS ARE IN INCHES (MILLIMETERS) Features Lead finish is hot solder dip * Hermetic ceramic package e Operates over a broad range of supply voltages Excellent temperature stability to ' operate in harsh environments Hail element, linear amplifier, and Schmitt trigger on a single Hallogic silicon chip e Processing patterned after class B or class S of MIL-STD-883 Suitable for military and space applications 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 OMH3040B is processed to Optek's own screening procedures patterned after class B of MIL-STD-883. OMH3040S is patterned after class S., Typical screening and lot acceptance tests are provided on page 13-4. Output ON Current, ISINK Leese eee eee eeeee Levene eee nese een eeeeneres Absolute Maximum Ratings (Ta = 25 C unless otherwise noted) Supply Voltage, Voc. ......2.cee cee eae Sac ee eect eeeees . sees 25V Storage Temperature Range, Ts.....;. Leven essen eeaeuees "65 C to +150 C Operating Temperature Range, TA ..........ecereeecees wees 755C fo 125C Lead Soldering Temperature [1/8 inch (3. 2mm) from case > for 5 sec. with soldering iron}... eee ee eee ee cee eng eteneeeteees epee ede eeeneen keeee +. 260C Output OFF Voltage, VouT...........055 Se cece cece ee eee eee ees 25V Magnetic Flux Density, B Voc Functional Block Diagram QUTPUT x @) GROUND Optek Technology, Inc. 1215 W. Crosby Road Carrollton, Texas 75006 Fax (972) 323-2396 14-6 (972) 323-2200Types OMH3040B, OMH3040S Electrical Characteristics (Ta = 25 C, Vcc = 4.5 V to 24 V unless otherwise noted) SYMBOL PARAMETER MIN | TYP | MAX| UNITS TEST CONDITIONS Bop Magnetic Operate Point 70 | 150 | 200 | Gauss Bre Magnetic Release Point 50 |; 115 | 180 | Gauss Bu Magnetic Hysteresis 10 35 60 | Gauss Iec Supply Current 5.0 | 9.0 mA Vcc = 24 V, Output On VoL Output Saturation Voltage 125 | 300 mV Voc =4.5V, lol =15mA loH Output Leakage Current 0.1 10 LA Veco = 24 V, VouT=24 V tr Output Rise Time 0.13 | 1.00 Ls RL = 820 Q, Ci = 20 pF tr Output Fall Time 0.19 | 1.00 us Ri = 820 , CL=20 pF Typical Performance Curves Magnetic Operate Point vs. Magnetic Release Point vs. Supply Current vs. Ambient Temperature Ambient Temperature Ambient Temperature g om [od : o < = Pe E & & ' & & 5 2 3 E 5 3 oO 5 2 2 2 - = = = wy) Bs g ? 8 = = a a o i oO oO Ta - Ambient Temperature - C Ta - Ambient Temperature - C Ta - Ambient Temperature - C Output Saturation Voltage vs. 5 - : . Ambient Temperature Rise and Fall Time vs Rise and Fall Time Tests Ambient Temperature Magnatic Field vs Output Voltage = 20 .8op =, Bap i, i 3 Magnetic Field & . \ agnetic Friel g or 12V 90% | 90% = = = use y = Vout S 7% ta eo 2 a TO% 10% z* 2 Rise and Fall Time Test Circuit m 3 = 2 w Yeo 41) 3 = a, a Ow 2 $ 8202 : (3) tit J UULT. a tri tf 5 9 > OUTPUT o 20 pF -40 a 40 80 120 140 iO Ty - AMBIENT TEMPERATURE - C Ta - Ambient Temperature - C 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 14-9