A3245LUA Allegro Microsystems Inc, A3245LUA Datasheet
A3245LUA
Specifications of A3245LUA
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A3245LUA Summary of contents
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Chopper-Stabilized Omnipolar Hall-Effect Switches Features and Benefits ▪ Omnipolar operation ▪ Chopper stabilization ▫ Superior temperature stability ▫ Extremely low switchpoint drift ▫ Insensitive to physical stress ▪ Reverse battery protection ▪ Output short circuit protection ▪ Solid state reliability ...
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... Part Number Packing A3245ELHLT-T 7-in. reel, 3000 pieces/reel A3245LLHLT-T 7-in. reel, 3000 pieces/reel A3245LUA-T 2 Bulk, 500 pieces/bag 1 Contact Allegro for additional packing options. 2 Variant is in production but has been determined to be LAST TIME BUY. This classification indicates that the variant is obsolete and notice has been given ...
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A3245 Chopper-Stabilized Omnipolar Hall Effect Switches OPERATING CHARACTERISTICS valid over full operating voltage and ambient temperature ranges, unless otherwise noted Characteristic Symbol Electrical Characteristics Supply Voltage 1 V Output Leakage Current I OUTOFF Output On Voltage V OUT(SAT) Output Current ...
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A3245 Chopper-Stabilized Omnipolar Hall Effect Switches Supply Current (On) versus Ambient Temperature 5.0 4.0 3.0 2.0 1.0 0 – (°C) A Supply Current (Off) versus Ambient Temperature 5.0 4.0 3.0 2.0 1.0 0 – ...
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A3245 Chopper-Stabilized Omnipolar Hall Effect Switches Operate Point (South) versus Ambient Temperature – (°C) A Release Point (South) versus Ambient Temperature ...
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A3245 Chopper-Stabilized Omnipolar Hall Effect Switches Magnetic Characteristic Data (Continued) Operate Point (South) versus Supply Voltage (V) CC Release Point (South) versus Supply Voltage 50 45 ...
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A3245 Chopper-Stabilized Omnipolar Hall Effect Switches THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information Characteristic Package Thermal Resistance Symbol Test Conditions Package LH-3, 1-layer PCB with copper limited to solder pads Package LH-3, 2-layer PCB with 0.926 ...
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A3245 Chopper-Stabilized Omnipolar Hall Effect Switches Operation The output of this device switches low (turns on) when a mag- netic fi eld perpendicular to the Hall element exceeds the oper- ate point, B (or is less than B ). After ...
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A3245 Chopper-Stabilized Omnipolar Hall Effect Switches 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 ...
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A3245 Chopper-Stabilized Omnipolar Hall Effect Switches 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 ...
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A3245 Chopper-Stabilized Omnipolar Hall Effect Switches +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 ...
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A3245 Chopper-Stabilized Omnipolar Hall Effect Switches 4.09 45° +0.08 3.02 –0.05 2.16 MAX 0.51 REF 1 2 15.75 ±0.51 +0.05 0.43 –0.07 Copyright ©2005-2009, Allegro MicroSystems, Inc. The products described herein are manufactured under one or more of the following ...