A3213EUA-T

Micropower Hall-effect switch with ultra-sensitivity
5,914 Effective Inventory

A3213EUA-T

Effective Inventory5,914

Micropower Hall-effect switch with ultra-sensitivity

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Quality Assurance

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Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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A3213EUA-T DataSheet
no-price

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

Rapid Quote

Please submit RFQ for A3213EUA-T or email to us: Email: [email protected], we will contact you in 12 hours.

Details

I. Product A3213EUA-T is a HALL EFFECT SWITCH MICROPOWER in SIP3 package. It is designed to operate in a wide temperature range from -40°C to +85°C, making it suitable for various environmental conditions. With a supply voltage range of 2.4V to 5.5V, this switch is versatile and can be used in different applications. The sensor case style is SIP, and the termination type is through hole, providing easy installation on circuit boards. The output current is 1mA, and with a maximum of 5.5V and minimum of 2.4V supply voltage, it can efficiently function within this range. This product is also SVHC-free, making it environmentally friendly and safe for use

Key Features

  • Automotive grade AEC-Q100 qualified
  • Supply voltage range from 2.4V to 5.5V
  • Superior temperature stability and extremely low switchpoint drift
  • Operating power of 825µW at 2.75V and supply current (IDD(AVG)) of 309µA
  • Insensitive to physical stress
  • High ESD protection
  • Small size, solid state reliability
  • Chopping frequency (fc) of 340KHz and duty cycle of 25%
  • Easy assembly into applications due to magnetic pole independence
  • Operating ambient temperature range from -40°C to 85°C

Application

  • Sensing & Instrumentation
  • Automotive
  • Consumer Electronics
  • Portable Devices

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category ! Board Mount Hall Effect / Magnetic Sensors RoHS Details
Type Micropower Operating Supply Current 309 uA
Maximum Output Current 1 mA Operating Point Min/Max - 70 G to 70 G
Release Point Min/Max (Brp) 10 G to - 10 G Operating Supply Voltage ! 3 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature ! + 85 C
Mounting Style Through Hole Package / Case SIP-3
Series A3213-4 Brand Allegro MicroSystems
Output Type Digital Output Voltage 100 mV
Product Hall Effect Switches Product Type ! Hall Effect / Magnetic Sensors
Factory Pack Quantity 500 Subcategory Sensors
Supply Voltage - Max 5.5 V Supply Voltage - Min 2.4 V
Termination Style Solder Pad

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification A3213EUA-T PDF Download

FAQs

What is A3213EUA-T?

The A3213EUA-T is a high-precision, ultra-sensitive, micro-power omnipolar Hall-effect switch designed by Allegro Microsystems. It is widely used in automotive, industrial, and consumer applications, offering contactless sensing for position and proximity detection.

How Does A3213EUA-T Work?

The A3213EUA-T operates based on the Hall effect, where a magnetic field perpendicular to the sensor IC causes a voltage output proportional to the field strength. It is a digital switch with an open-drain output, making it suitable for detecting the presence or absence of a magnetic field and triggering specific actions in electronic systems.

How Many Pins does A3213EUA-T have and What are the Functions of the Pinout Configuration?

The A3213EUA-T is housed in a 3-pin SOT-23 surface-mount package. The pinout configuration includes:

  • VCC: Power supply pin.
  • GND: Ground pin.
  • OUT: Open-drain output pin for digital signal indication.

What are the Pros and Cons of A3213EUA-T?

Pros:

  • High Precision: Offers accurate magnetic field detection for precise applications.
  • Ultra-Sensitive: Detects very low magnetic field strengths, suitable for a wide range of applications.
  • Micro-Power: Operates at low power, making it suitable for battery-powered devices.
  • Small Package: The SOT-23 package is compact and space-efficient for easy integration into designs.
  • Contactless Sensing: Eliminates the need for physical contact, enhancing reliability.

Cons:

  • Directional Sensitivity: Being omnipolar, the A3213EUA-T does not provide information on the polarity of the magnetic field.
  • External Interference: Susceptible to interference from external magnetic fields, requiring careful consideration in system design.

Are There Any Equivalents/Alternatives to A3213EUA-T for Recommendation?

Alternatives to the A3213EUA-T include the A1220LUA-T from Allegro Microsystems and the OH090U from TT Electronics.

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