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ALLEGRO A1326LLHLX-T A1326LLHLX
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- ALLEGRO A1326LLHLX-T
- Type
- ALLEGRO
- Unit
- Electronic Component
- Minimum package
- 30000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- ALLEGRO
- Electronic Component
- A1326LLHLX-T
- Electronic Component
- 1
- Package
- SOT-23W
- Electronic Component
- Linear Hall Sensor
- Electronic Component
- 0.001g
- Electronic Component
- 2.5mV/Gs
- Linear
- ±1.5%
- Electronic Component
- 1
- Features
- Built-in Temperature Sensor; Output
- Electronic Component
- BM0227490951
- Operating Temperature
- 40℃~+150℃
- Operating Voltage
- 4.5V~5.5V
- Operating Current
- 6.9mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
A1326LLHLX-T 产品概述
一、概览
A1326LLHLX-T 是 ALLEGRO（美国埃戈罗）出品的一款高性能模拟霍尔效应传感器，封装为 SOT-23W，专为在狭小空间内实现精确磁场检测设计。器件提供轨到轨输出并内置温度传感器，适合需要稳定输出与温度监控的工业与消费类应用。
二、主要电气与环境参数
- 灵敏度：2.5 mV/Gs（milliVolt per Gauss），便于将磁场强度直接转化为线性电压信号。
- 线性度：±1.5%，保证在额定测量范围内输出与磁场成高精度线性关系。
- 工作电压：4.5 V ~ 5.5 V，适配常见5V系统。
- 工作电流：典型 6.9 mA，功耗低，便于电源和散热设计。
- 工作温度：-40 ℃ ~ +150 ℃，满足宽温度区间的工业级应用要求。
- 特色：内置温度传感器；轨到轨输出，利于单电源供电系统的最大动态范围利用。
三、功能与优势
- 模拟输出：连续的模拟电压输出，便于直接与 ADC 或模拟比较器接口；灵敏度规格便于进行物理量换算与标定。
- 轨到轨输出：输出端能够接近电源与地电平，扩展信号动态范围，改善低电压工作时的可用输出摆幅。
- 温度监测：内置温度传感器可用于温漂补偿或系统健康监控，提高长期测量精度与可靠性。
- 宽温与低功耗：适合汽车电子、工业控制、户外设备等对温度和功耗有严格要求的场景。
四、典型应用场景
- 位置与角度检测（无触点编码器、转轴位置）
- 电机速度/转向检测与霍尔式无刷电机反馈
- 接近/限位开关、门磁与安全检测
- 电流/电流方向感知（配合磁通集中器）
- 工业传感与温度联动补偿系统
五、设计与使用建议
- 供电旁路：建议在 VCC 与 GND 之间放置 0.1 µF 陶瓷去耦电容，靠近器件引脚以抑制瞬态噪声。
- 信号调理：输出为微伏级敏感度换算后可能需要合适的 ADC 分辨率或放大电路；在高精度场合建议通过滤波与校准降低噪声影响。
- 热管理：器件自身功耗较低，但在高密度 PCB 或高环境温度下注意散热路径，以保证长期稳定性。
- EMC 与磁干扰：避免强电流导线或磁性件近旁造成测量误差，必要时使用磁通集中器或屏蔽设计。
- 安装：SOT-23W 封装适合自动化贴装，注意焊接温度曲线以保护器件性能。
六、小结与选型建议
A1326LLHLX-T 以其 2.5 mV/Gs 的灵敏度、±1.5% 的线性度、轨到轨输出与宽温工作能力，适合需要可靠模拟磁场测量与温度监控的工业与嵌入式应用。在选型时，确认系统的量程、ADC 分辨率与温漂要求；如需更高灵敏度或数字输出，可参考 ALLEGRO 系列中其他型号做比对。若需更详细的引脚定义、典型接线图或滤波/校准示例，请参考厂家数据手册或联系供应商技术支持。
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