A1145LLHLT Allegro Microsystems Inc, A1145LLHLT Datasheet
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A1145LLHLT
Specifications of A1145LLHLT
Related parts for A1145LLHLT
A1145LLHLT Summary of contents
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Ultrasensitive Two-Wire Chopper-Stabilized These devices are in production, however, they have been deemed Pre-End of Life. These products are approaching end of life. Within a minimum of 6 months, these devices will enter their final, Last Time Buy, order phase. ...
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Ultrasensitive Two-Wire Chopper-Stabilized Features and Benefits ▪ Chopper stabilization ▫ Low switchpoint drift over operating temperature range ▫ Low sensitivity to stress ▪ Factory programmed at end-of-line for optimized switchpoints ▪ On-chip protection ▫ Supply transient protection ▫ Reverse-battery protection ...
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A1145 and A1146 Description (continued) feature on-chip transient protection and a Zener clamp to protect against overvoltage conditions on the supply line. The output currents of the A1146 switches HIGH in the presence of a south (+) polarity magnetic field ...
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A1145 and A1146 ELECTRICAL CHARACTERISTICS Characteristic Symbol Supply Voltage 1 2 Supply Current Reverse Supply Current Supply Zener Clamp Voltage V ZSUPPLY 3 Supply Zener Clamp Current I ZSUPPLY Output Slew Rate 4 Chopping Frequency Power-On Time 5 6,7 Power-On ...
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A1145 and A1146 Supply Current (Low) versus Ambient Temperature at Various Levels of V (A1145 and A1146 – 100 Ambient Temperature, T Operate Point versus Ambient Temperature at Various Levels of V ...
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A1145 and A1146 THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information Characteristic Package Thermal Resistance *Additional thermal information available on Allegro Web site. Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches Symbol Test Conditions* Package LH, 1-layer PCB ...
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A1145 and A1146 Operation The output the A1145 device switches low after the CC magnetic field at the Hall element exceeds the operate point threshold When the magnetic field is reduced to below the OP ...
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A1145 and A1146 Chopper Stabilization Technique When using Hall-effect technology, a limiting factor for switchpoint accuracy is the small signal voltage developed across the Hall element. This voltage is disproportionally small relative to the offset that can be produced at ...
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A1145 and A1146 Typical Application Circuit The A114x family of devices must be protected by an external bypass capacitor connected between the supply, VCC, BYP and the ground, GND, of the device. C noise and the noise generated ...
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A1145 and A1146 Power Derating The device must be operated below the maximum junction temperature of the device Under certain combinations of J(max) peak conditions, reliable operation may require derating sup- plied power or improving the heat dissipation ...
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A1145 and A1146 EMC (Electromagnetic Compatibility) Requirements Package LH, 3-pin SOT VCC connection 3. GND Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches Device Qualification Program Contact Allegro for information. Contact your local representative ...
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A1145 and A1146 +0.12 2.98 –0.08 3 +0.10 2.90 –0. 10° REF 0.95 BSC For Reference Only; not for tooling use (reference dwg. 802840) Dimensions in millimeters Dimensions exclusive of mold flash, gate burrs, and dambar protrusions Exact ...
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A1145 and A1146 45° +0.08 3.02 –0.05 2.16 MAX 0.51 REF 1 15.75 ±0.51 +0.05 0.43 –0.07 Copyright ©2004-2010, Allegro MicroSystems, Inc. Allegro MicroSystems, Inc. reserves the right to make, from time to time, such de par tures from the ...