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A1260EUA-T1 Datasheet(PDF) 1 Page - Allegro MicroSystems |
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A1260EUA-T1 Datasheet(HTML) 1 Page - Allegro MicroSystems |
1 / 13 page The A1260 vertical Hall-effect sensor IC is an extremely temperature-stable and stress-resistant magnetic-sensing device ideal for harsh operating environments. The sensor is actuated by alternating north and south polarity magnetic fields in plane with the device’s branded face. Two package options, the SOT23W surface-mount and SIP through-hole, allow sensing in a variety of orientations with respect to the mounting position. Superior high-temperature performance is made possible through dynamic offset cancellation, which reduces the residual offset voltage normally caused by device overmolding, temperature dependencies, and thermal stress. Eachdeviceincludesonasinglesiliconchipavoltageregulator, a Hall-voltage generator, a small-signal amplifier, chopper stabilization, a Schmitt trigger, and a short-circuit protected NMOS output to sink up to 25 mA. The on-board regulator permits operation with supply voltages of 3 to 24 V. The advantage of operating down to 3 V is that the device can be used in 3.3 V applications, while allowing additional external resistance in series with the supply pin for greater protection against high-voltage transient events. The output is turned on when a south pole of sufficient strength perpendicular to the vertical Hall element is present. A north pole is necessary to turn the output off. Package type LH is a modified SOT23W surface-mount package that switches with magneticfieldsorientedperpendicularlytothenon-leadedside of the package. The UApackage is an ultra-mini SIP, equipped A1260-DS, Rev. 2 • AEC-Q100 automotive qualified • Magnetic sensing parallel to surface of the package • Highly sensitive switch thresholds • Symmetrical latch switch points • Operation from unregulated supply down to 3 V • Small package sizes • Automotive grade □ Output short-circuit protection □ Resistant to physical stress □ Reverse-battery protection □ Solid-state reliability □ Superior temperature stability □ Supply voltage Zener clamp Chopper-Stabilized Precision Vertical Hall-Effect Latch PACKAGES: Functional Block Diagram Not to scale A1260 Regulator VCC Vertical Hall Hall Amp Sample, Hold, &Averaging Low-Pass Filter To All Subcircuits Control Current Limit GND VOUT FEATURES AND BENEFITS DESCRIPTION 3-Pin SOT23-W (Suffix LH) 3-Pin SIP (Suffix UA) Continued on next page... |
Similar Part No. - A1260EUA-T1 |
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Similar Description - A1260EUA-T1 |
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