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A1192LUA-T3 Datasheet(PDF) 3 Page - Allegro MicroSystems |
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A1192LUA-T3 Datasheet(HTML) 3 Page - Allegro MicroSystems |
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3 / 18 page  ELECTRICAL CHARACTERISTICS Valid at TA = –40°C to 150°C, TJ < TJ(max), CBYP = 0.01 μF, through operating supply voltage range; unless otherwise noted Characteristics Symbol Test Conditions Min. Typ. Max. Unit Supply Voltage1,2 VCC Operating, TJ ≤ 165 °C 3.0 – 24 V Supply Current ICC(L) A1190 B > BOP 2.0 – 5.0 mA A1192 B > BOP 5 – 6.9 mA A1193 B < BRP 5 – 6.9 mA ICC(H) A1190, A1192 B < BRP 12 – 17 mA A1193 B > BOP 12 – 17 mA Supply Zener Clamp Voltage VZ(sup) ICC = ICC(L)(max) + 3 mA, TA = 25°C 28 – – V Supply Zener Clamp Current IZ(sup) VZ(sup) = 28 V – – ICC(L)(max) + 3 mA mA Reverse Supply Current IRCC VRCC = –18 V – – –1.6 mA Output Slew Rate3 di/dt No bypass capacitor, capacitance of probe CS = 20 pF –90– mA/ μs Chopping Frequency fC – 700 – kHz Power-Up Time2,4,5 ton A1190, A1192 CBYP = 0.01 μF, B >BOP +10 G – – 25 μs A1193 CBYP = 0.01 μF, B < BRP –10 G – – 25 μs Power-Up State6,7 POS ton < ton(max), VCC slew rate > 25 mV/μs– ICC(H) –– 1VCC represents the generated voltage between the VCC pin and the GND pin. 2The VCC slew rate must exceed 600 mV/ms from 0 to 3 V. A slower slew rate through this range can affect device performance. 3Measured without bypass capacitor between VCC pin and the GND pin. Use of a bypass capacitor results in slower current change. 4Power-Up Time is measured without and with a bypass capacitor of 0.01 μF. Adding a larger bypass capacitor would cause longer Power-Up Time. 5Guaranteed by characterization and design. 6Power-Up State as defined is true only with a VCC slew rate of 25 mV/μs or greater. 7For t > ton and BRP < B < BOP, Power-Up State is not defined. MAGNETIC CHARACTERISTICS1 Valid at TA = –40°C to 150°C, TJ ≤ TJ (max); unless otherwise noted Characteristics Symbol Test Conditions Min. Typ. Max. Unit2 Initial Operate Point BOP(init) – –14 10 G Programmable Magnetic Operating Point BOP TA = 25°C 10 – 200 G Average Magnetic Step Size3 STEPBOP TA = 25°C, VCC = 5 V 3 4.8 7.5 G Switchpoint Temperature Drift ΔBOP – ±20 – G Hysteresis BHYS 5 – 30 G 1Relative values of B use the algebraic convention, where positive values indicate south magnetic polarity, and negative values indicate north magnetic polarity; therefore greater B values indicate a stronger south polarity field (or a weaker north polarity field, if present). 21 G (gauss) = 0.1 mT (millitesla). 3STEPBOP is a calculated average from the cumulative programmed bits. PROGRAMMABLE PARAMETERS Name Functional Description Quantity of Bits BOP Trim Fine trim of Programmable Magnetic Operating Point 6 Programming Lock Lock access to programming 1 Programmable, Chopper-Stabilized, Two Wire Hall-Effect Switches A1190, A1192, and A1193 3 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com |
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