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A3280LLT

A3280LLT Manufacturer

Allegro MicroSystems

A3280LLT Description

3280, 3281, and 3283 Chopper-Stabilized, Precision Hall-Effect Latches

A3280LLT Description

IC SWITCH HALL EFFECT SOT-89

A3280LLT Categories

Hall Effect Switches

A3280LLT Datasheet (PDF)

A3280LLT Datasheet
A3280/81/83

A3280LLT Price & Availability


Check A3280LLT Price & Availability at Canics

A3280LLT Features

  • Symmetrical Switch Points
  • Resistant to Physical Stress
  • Superior Temperature Stability
  • Output Short-Circuit Protection
  • Operation From Unregulated Supply
  • Reverse Battery Protection
  • Solid-State Reliability
  • Small Size

A3280LLT Description

    The A3280--, A3281--, and A3283-- Hall-effect latches are extremely temperature-stable and stress-resistant sensors especially suited for operation over extended temperature ranges to +150°C. 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. The three devices are identical except for magnetic switch points.

    Each device includes on a single silicon chip a voltage regulator, Hall-voltage generator, small-signal amplifier, chopper stabilization, Schmitt trigger, and a short-circuit protected open-collector output to sink up to 25 mA. A south pole of sufficient strength will turn the output ON. A north pole is necessary to turn the output OFF. An on-board regulator permits operation with supply voltages of 4.2 to 24 volts.

    A3280LLT Parameters

    Package type3-lead SOT
    TypeDigital Latch
    Output TypeDigital, Open Collector
    FeaturesRegulated Voltage
    Temperature-40°C to 150°C
    CategorySensors, Transducers
    FamilyMagnetic - Hall Effect, Digital Switch, Linear, Compass (ICs)
    Operating Temperature-40°C ~ 150°C
    Package / CaseSOT-89
    Voltage - Supply4.2 V ~ 24 V
    Current - Supply8mA
    Sensing Range40G Trip, â??40G Release
    Current - Output (Max)60mA
    Select parameters and click to see components with these parameters.

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