AH1802-WG-7 Product Overview

Introduction

The AH1802-WG-7 is a magnetic sensor that belongs to the category of Hall Effect sensors. This sensor is widely used in various applications due to its unique characteristics and reliable performance.

Basic Information Overview

• Category: Magnetic Sensor
• Use: Detection of magnetic fields and proximity sensing
• Characteristics: High sensitivity, low power consumption, compact size
• Package: SOT-23 surface mount package
• Essence: Utilizes Hall Effect to detect magnetic fields
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Operating Voltage: 2.5V - 5.5V
• Output Type: Digital Open Drain
• Operating Temperature: -40°C to 85°C
• Sensitivity: 30Gauss (typical)
• Quiescent Current: 6µA (typical)

Detailed Pin Configuration

The AH1802-WG-7 features a standard SOT-23 pin configuration with three pins: 1. VCC (Power Supply) 2. GND (Ground) 3. OUT (Digital Output)

Functional Features

• High Sensitivity: Capable of detecting small changes in magnetic fields
• Low Power Consumption: Ideal for battery-powered applications
• Digital Output: Provides easy interfacing with microcontrollers and digital circuits

Advantages and Disadvantages

Advantages

• Reliable and consistent performance
• Compact size allows for versatile integration
• Low power consumption extends battery life in portable devices

Disadvantages

• Susceptible to interference from external magnetic fields
• Limited operating temperature range compared to some alternatives

Working Principles

The AH1802-WG-7 operates based on the Hall Effect, where a voltage difference is generated across a conductor when subjected to a magnetic field. This voltage change is then converted into a digital output signal, indicating the presence or absence of a magnetic field.

Detailed Application Field Plans

The AH1802-WG-7 is commonly used in the following applications: - Proximity sensing in consumer electronics - Position detection in automotive systems - Brushless DC motor commutation in industrial equipment

Detailed and Complete Alternative Models

• AH1802-WG-8: Higher sensitivity variant
• AH1802-WG-6: Lower power consumption variant
• AH1802-WG-9: Extended temperature range variant

In conclusion, the AH1802-WG-7 magnetic sensor offers a reliable and compact solution for various magnetic field detection and proximity sensing applications. Its high sensitivity and low power consumption make it a popular choice in the industry, despite some limitations in extreme operating conditions.

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