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A1101EUA-T
+BOMMAGNETIC SWITCH UNIPOLAR 3SIP
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ManufacturerAllegro MicroSystems
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Mfr. Part #A1101EUA-T
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Datasheet A1101EUA-T DataSheet
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In Stock5421
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Specifications
| Attribute | Value |
| Part Status | Active |
| Function | Unipolar Switch |
| Technology | Hall Effect |
| Polarization | South Pole |
| Sensing Range | 17.5mT Trip, 1mT Release |
| Test Condition | -40°C ~ 85°C |
| Voltage - Supply | 3.8V ~ 24V |
| Current - Supply (Max) | 7.5mA |
| Current - Output (Max) | 25mA |
| Output Type | Open Drain |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole |
| Supplier Device Package | 3-SIP |
| Package / Case | 3-SSIP |
| Base Product Number | A1101 |
Overview
Description
The A1101EUA-T is a low-power, high-sensitivity Hall-effect sensor IC designed for magnetic field sensing applications. Manufactured by Allegro Microsystems, this device is primarily used in detecting magnetic fields to determine position, speed, or presence of a magnetic object. It operates using a single Hall element, providing a digital output that switches from low to high when a magnetic field of sufficient strength is detected.
This sensor is known for its precision in switching, with a wide operating voltage range typically from 3V to 24V, making it versatile for various applications. The A1101EUA-T is also notable for its energy efficiency, drawing minimal power, which is advantageous for battery-operated devices.
Key applications include automotive systems, consumer electronics, and industrial automation, where reliable magnetic sensing is required. It is housed in a compact package, typically a 3-pin SOT-23W, making it suitable for space-constrained designs. Overall, the A1101EUA-T is valued for its reliability, ease of integration, and consistent performance in diverse environments.
This sensor is known for its precision in switching, with a wide operating voltage range typically from 3V to 24V, making it versatile for various applications. The A1101EUA-T is also notable for its energy efficiency, drawing minimal power, which is advantageous for battery-operated devices.
Key applications include automotive systems, consumer electronics, and industrial automation, where reliable magnetic sensing is required. It is housed in a compact package, typically a 3-pin SOT-23W, making it suitable for space-constrained designs. Overall, the A1101EUA-T is valued for its reliability, ease of integration, and consistent performance in diverse environments.
Equivalent
The A1101EUA-T is a unipolar Hall-effect sensor IC from Allegro Microsystems. Equivalent products could include the Melexis MLX90248, Honeywell SS341RT, or Infineon TLE4905L. These components offer similar Hall-effect sensing capabilities and are used in magnetic position sensing applications. Always check the datasheets for exact specifications to ensure compatibility.
Features
The A1101EUA-T is a unipolar Hall-effect digital switch designed for a wide range of applications. Key features include:
1. Precision and Sensitivity: It provides accurate magnetic sensing with a high degree of sensitivity, making it suitable for detecting magnetic fields and position sensing.
2. Unipolar Switching: The sensor is designed to respond to one specific pole of a magnet, typically the south pole, ensuring precise operations in applications like proximity detection.
3. Wide Voltage Range: It operates over a broad voltage range, offering flexibility and compatibility with various electronic systems.
4. Low Power Consumption: The device is engineered for efficient energy use, which is ideal for battery-powered applications.
5. Temperature Stability: It exhibits reliable performance across a wide temperature range, enhancing its suitability for use in diverse environmental conditions.
6. Small Package Size: The sensor is housed in a compact package, making it easy to integrate into space-constrained applications.
These features make the A1101EUA-T well-suited for automotive, consumer electronics, and industrial applications requiring reliable and efficient magnetic field detection.
1. Precision and Sensitivity: It provides accurate magnetic sensing with a high degree of sensitivity, making it suitable for detecting magnetic fields and position sensing.
2. Unipolar Switching: The sensor is designed to respond to one specific pole of a magnet, typically the south pole, ensuring precise operations in applications like proximity detection.
3. Wide Voltage Range: It operates over a broad voltage range, offering flexibility and compatibility with various electronic systems.
4. Low Power Consumption: The device is engineered for efficient energy use, which is ideal for battery-powered applications.
5. Temperature Stability: It exhibits reliable performance across a wide temperature range, enhancing its suitability for use in diverse environmental conditions.
6. Small Package Size: The sensor is housed in a compact package, making it easy to integrate into space-constrained applications.
These features make the A1101EUA-T well-suited for automotive, consumer electronics, and industrial applications requiring reliable and efficient magnetic field detection.
Manufacturer
The A1101EUA-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in developing and manufacturing integrated circuit (IC) solutions. They are particularly known for their expertise in sensor ICs and application-specific analog power ICs. The company's products are widely used in the automotive, industrial, and consumer markets. Allegro MicroSystems focuses on creating solutions that enhance the performance and efficiency of electronic systems, with a strong emphasis on innovation and technological advancement.
Application
The A1101EUA-T is a Hall-effect sensor IC designed for precise magnetic field detection. It is widely used in applications such as:
1. Position Sensing: Detecting the position of mechanical components in automotive systems.
2. Speed Detection: Measuring rotational speeds in motors and wheels.
3. Proximity Sensing: Identifying the presence or absence of objects in automation systems.
4. Current Sensing: Monitoring electrical currents in power management systems.
Its high sensitivity and reliability make it suitable for integration in consumer electronics, industrial automation, and automotive systems for various sensing tasks.
1. Position Sensing: Detecting the position of mechanical components in automotive systems.
2. Speed Detection: Measuring rotational speeds in motors and wheels.
3. Proximity Sensing: Identifying the presence or absence of objects in automation systems.
4. Current Sensing: Monitoring electrical currents in power management systems.
Its high sensitivity and reliability make it suitable for integration in consumer electronics, industrial automation, and automotive systems for various sensing tasks.
Package
The A1101EUA-T is a Hall-effect sensor IC, typically available in a 3-pin SIP (Single In-line Package) or SOT-23 package type. These package types are compact and designed for easy integration into electronic circuits, suitable for detecting magnetic fields in various applications.
