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Low-Noise, High-Precision, Programmable Linear Hall-Effect Sensor IC with Reverse Battery Protection

A1367

Allegro 4 Pin SIP KT Package

The A1367 provides robust and accurate magnetic field sensing with a regulated supply, reverse battery protection, programmable offset and sensitivity, and high bandwidth (240kHz) for demanding applications.

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Top Features

Packaging

  • 240 kHz nominal bandwidth achieved via proprietary packaging and chopper stabilization techniques
  • On-board supply regulator with reverse-battery protection
  • Proprietary segmented linear temperature compensation (TC) technology provides a typical accuracy of 1% over the full operating temperature range
  • Customer-programmable, high-resolution offset and sensitivity trim
  • Factory-programmed sensitivity and quiescent output voltage TC with extremely stable temperature performance
  • High-sensitivity Hall element for maximum accuracy
  • Extremely low noise and high resolution achieved via proprietary Hall element and low-noise amplifier circuits
  • Patented circuits suppress IC output spiking during fast current step inputs
  • Open circuit detection on ground pin (broken wire)
  • Selectable sensitivity range between 0.6 and 6.4 mV/G through use of coarse sensitivity program bits
  • User-selectable ratiometric behavior of sensitivity, quiescent voltage, and clamps (ratiometry can be disabled), for simple interface with application A-to-D converter (ADC)
  • Precise recoverability after temperature cycling
  • Output voltage clamps provide short-circuit diagnostic capabilities
  • Wide ambient temperature range: –40°C to 150°C
  • Immune to mechanical stress
  • Extremely thin package: 1 mm case thickness
  • AEC-Q100 automotive qualified

The A1367 sensor IC is provided in an extremely thin case (1 mm thick), 4-pin SIP (single in-line package, suffix KT) that is lead (Pb) free, with 100% matte-tin leadframe plating.

KT Package TN Leadform .stp model

KT Package TF Leadform .stp model

KT Package TG Leadform .stp model

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Part Number Specifications and Availability

Documentation and Resources

Documentation

Design Tools

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Documents Found: 32
Document Type Document Name
Application Note
High-Current Measurement with Allegro Current Sensor IC and Ferromagnetic Core: Impact of Eddy Currents
Application Note
Hysteresis Offset Error In Hall-Effect Current Sensors Using Soft Ferromagnetic Concentrator Cores
FAQ
Current Sensors FAQ
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Documents Found: 32
Document Type Document Name
Hardware Kit or Board
ASEK-20 Sensor Evaluation Kit
Simulation Tool
Core Design for Field DC Current Sensors
Simulation Tool
Current Sensor Error and Resolution
SPICE Model
ACS LTspice Library