战ity Standards and Environmental Certifications

A1260：斩波稳定、精确垂直霍尔效应锁存器

A1260 数据表
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Description

A1260 垂直霍尔效应传感器 IC 是一种具有出色热稳定性和抗应力特性的磁感应器件，它非常适合在条件恶劣的运行环境下使用。传感器由交替出现的北极和南极磁场驱动，磁场与器件的印记面在同一平面。两种封装选项，即 SOT23W 表面贴装式封装和 SIP 通孔封装，允许以相对于安装位置的多种不同方向进行感应。通过动态偏移消除可降低通常由器件超模压、温度依存性及热应力引起的剩余偏移电压，
从而使产品具有高达 175°C 结温的优异热稳定性。

每个器件在单硅片上包含以下元件：稳压器、霍尔电压发生器、小型信号放大器、稳定斩波特技术、施密特触发器和具有短路保护功能、最大可汲入 25 毫安电流的开路漏极输出。板载稳压器允许利用 3 - 24 V 的电源电压运行。以最低 3 V 的电源运行的优势是能在 3.3 V 应用环境中使用器件，同时允许额外的外接电阻与电源引脚串联，以提高对高压瞬态事件的防护能力。

当强度足够的磁南极与垂直霍尔元件垂直时，输出会打开。关闭输出需要磁北极。LH 型封装是一种改进的 SOT23W 表面贴装式封装，它能利用与封装的无引脚侧垂直的磁场开关。UA 型封装是一种采用通孔安装和引线成形的超微型 SIP，它会在磁场出现在封装顶边（与印记面平行）时开关。两种封装均符合 RoHS 指令的要求，并且为无铅 (Pb) 封装（后缀 -T），引脚框采用 100% 雾锡电镀。

AVHT 器件

Top Features

  • 符合 AEC-Q100 汽车标准
  • 与封装表面平行的磁感应
  • 高度灵敏的开关阈值
  • 对称的锁存开关点
  • 能以最低 3V 的非稳压电源运行
  • 小型封装尺寸
  • 汽车级
    • 输出短路保护
    • 对物理应力不敏感
    • 电池反接保护
    • 运行范围从 −40°C 到 175°C 结温
    • 固态可靠性
    • 超卓的温度稳定性
    • 电源电压 Zener 夹
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Part Number Specifications and Availability

Part Number Package Type Temperature RoHS
Compliant		 Part Composition /
RoHS Data		 Comments Samples Check Stock
A1260ELHLT-T 3-lead SOT -40°C to 85°C Yes View Data Contact your
local sales rep		 Check
Distributor Stock
A1260LLHLT-T 3-lead SOT -40°C to 150°C Yes View Data Contact your
local sales rep		 Check
Distributor Stock

Allegro 的产品不允许在任何由于 Allegro 产品的合理故障造成人身伤害的装置或系统中使用，包括但不限于生命支持装置或系统。

Packaging

封装

见解和创新

Semiconductors (general)

Hall-Effect IC Applications Guide

Allegro MicroSystems uses the latest integrated circuit technology in combination with the century-old Hall effect to produce Hall-effect ICs. These are contactless, magnetically activated switches and sensor ICs with the potential to simplify and improve electrical and mechanical systems.

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Semiconductors (general)

Allegro MicroSystems - Soldering Methods for Allegro Products (SMD and Through-Hole)

This document describes typical soldering methods that have been proven effective with Allegro™ products. It provides information on SMD (surface mount devices) and through-hole packages. Both lead (Pb) free and traditional Pb-based technologies are examined.

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Packaging

Guidelines for Designing Subassemblies Using Hall-Effect Devices

This document covers most of the assembly methods used for mounting Hall-effect devices. In Allegro® Hall-effect devices, the signal is conditioned and optimized for various types of magnetic inputs to produce a suitable electrical output.

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Semiconductors (general)

Handling, Storage, and Shelf Life of Semiconductor Devices

Electronic devices are available in many package types and can contain semiconductors (integrated circuits), magnets, capacitors, and resistors. This application note provides guidelines for the handling and storage of Allegro devices with regards to functionality and shelf life. Precautions ...

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Packaging

Allegro Microsystems - Chemical Exposure of Devices

This application note discusses the types of situations and applications that can give rise to failure of the device from corrosion.

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Semiconductors (general)

Allegro Hall-Effect Sensor ICs

This note provides a basic understanding of the Hall effect and how Allegro designs and implements Hall technology in packaged semiconductor monolithic integrated circuits.

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Semiconductors (general)

Integrating Hall-Effect Magnetic Sensing Technology into Modern Household Appliances

As technology improves, Hall-effect sensor ICs are finding their way into many modern household appliances. The Hall effect refers to the measurable voltage that appears across a conductive material.

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