A1186LLHLT Allegro Microsystems Inc, A1186LLHLT Datasheet
A1186LLHLT
Specifications of A1186LLHLT
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A1186LLHLT Summary of contents
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Ultrasensitive Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches Features and Benefits ▪ Chopper stabilization ▫ Low switchpoint drift over operating temperature range ▫ Low sensitivity to stress ▪ Field programmable for optimized switchpoints ▪ On-chip protection ▫ Supply transient protection ▫ ...
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... A1185LUA-T Bulk, 500 pieces/bag A1186ELHLT-T 7-in. reel, 3000 pieces/reel A1186EUA-T 3 Bulk, 500 pieces/bag A1186LLHLT-T 7-in. reel, 3000 pieces/reel A1186LUA-T Bulk, 500 pieces/bag 1 Contact Allegro for additional packing options. 2 South (+) magnetic fields must be of sufficient strength. 3 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 This classification indicates that the variant is obsolete and notice has been given.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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A1185 and A1186 Chopper-Stabilized Unipolar Hall Effect Switches ELECTRICAL CHARACTERISTICS Characteristic Symbol Supply Voltage 1 Supply Current 2 Supply Zener Clamp Voltage V 3 Supply Zener Clamp Current I Reverse Supply Current 4 Output Slew Rate Chopping Frequency 5 Power-On ...
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A1185 and A1186 Chopper-Stabilized Unipolar Hall Effect Switches I versus Ambient Temperature CC(L) at Various Levels of V (A1185 and A1186 - 100 Ambient Temperature Set by Specific Programming Bit ...
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A1185 and A1186 Chopper-Stabilized Unipolar Hall Effect Switches 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 Field-Programmable Symbol Test Conditions* Package LH, 1-layer ...
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A1185 and A1186 Chopper-Stabilized Unipolar Hall Effect Switches Operation The output the A1185 switches low after the magnetic CC field at the Hall element exceeds the operate point threshold When the magnetic field is reduced ...
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A1185 and A1186 Chopper-Stabilized Unipolar Hall Effect Switches Chopper Stabilization Technique A limiting factor for switchpoint accuracy when using Hall effect technology is the small signal voltage developed across the Hall element. This voltage is proportionally small relative to the ...
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A1185 and A1186 Chopper-Stabilized Unipolar Hall Effect Switches For additional general application information, visit the Allegro Web site at www. allegromicro.com. Typical Application and Programming Circuit The A118x family of devices MUST be protected by an exter- nal bypass capacitor, ...
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A1185 and A1186 Chopper-Stabilized Unipolar 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 ...
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A1185 and A1186 Chopper-Stabilized Unipolar Hall Effect Switches Programming Protocol The operate switchpoint can be field-programmed so, a coded series of voltage pulses through the VCC pin is used to set bitfields in onboard registers. ...
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A1185 and A1186 Chopper-Stabilized Unipolar Hall Effect Switches The pulse sequences consist of the following groups of pulses enable sequence bitfield address sequence. 3. When permanently setting the bitfield, a long V ing pulse. (Note: Blown ...
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A1185 and A1186 Chopper-Stabilized Unipolar Hall Effect Switches The first segment of code is a Enabling Addressing Mode. keying sequence used to enable the bitfield addressing mode. As shown in figure 7, this segment consists of one short V one ...
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A1185 and A1186 Chopper-Stabilized Unipolar Hall Effect Switches +0.12 2.98 –0.08 1.49 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, ...
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A1185 and A1186 Chopper-Stabilized Unipolar Hall Effect Switches +0.08 4.09 –0.05 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 ©2004-2009, Allegro MicroSystems, Inc. The products described herein are manufactured under one or ...