A3M34TL139T2 Overview
The A3M34TL139T2 is a high-performance Hall effect sensor IC designed for precise rotational speed and position sensing in industrial and automotive applications. Featuring a unipolar Hall sensor element with integrated signal conditioning, this device delivers accurate magnetic field detection with low power consumption. Its robust design supports operation in harsh environments and wide temperature ranges, making it suitable for demanding use cases. The compact package and stable output signal enhance system integration and reliability. For detailed technical insights and procurement, visit Производитель ИС.
A3M34TL139T2 Technical Specifications
| Параметр | Значение | Единица |
|---|---|---|
| Диапазон напряжения питания | 3.8 to 24 | V |
| Диапазон рабочих температур | -40 to +150 | ??C |
| Тип выхода | Open-drain | ?C |
| Operating Current | 4.5 | mA (typical) |
| Частота переключения | До 10 | kHz |
| Magnetic Sensitivity | 5.5 | mT (typical operate point) |
| Reverse Polarity Protection | Да | ?C |
| Тип упаковки | ТО-92 | ?C |
A3M34TL139T2 Key Features
- High voltage supply tolerance: Operates reliably across 3.8 to 24 V, enabling use in diverse industrial and automotive power environments without additional regulation.
- Wide temperature range support: Maintains accurate sensing from -40 ??C up to +150 ??C, ensuring dependable performance in extreme thermal conditions.
- Open-drain output: Allows easy interface with various microcontrollers and logic systems, simplifying system design and integration.
- Низкое энергопотребление: Typical operating current around 4.5 mA reduces energy usage, benefiting battery-powered and energy-sensitive applications.
- Reverse polarity protection: Safeguards the device from damage caused by incorrect power supply connections, enhancing robustness.
- Компактный корпус TO-92: Facilitates space-saving PCB layouts and straightforward mounting in constrained design spaces.
- Stable switching frequency: Supports operation up to 10 kHz, suitable for fast rotational speed measurements and dynamic position sensing.
A3M34TL139T2 Advantages vs Typical Alternatives
This sensor stands out with its broad supply voltage range and extended temperature tolerance, ensuring consistent accuracy where many alternatives fail under extreme conditions. The integrated reverse polarity protection adds a layer of reliability, minimizing failure risks during installation. Additionally, its low power consumption and open-drain output improve system efficiency and flexibility, making it a preferred choice for industrial and automotive sensing applications.
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Типовые применения
- Rotational speed sensing in automotive systems: The device reliably detects wheel or shaft speed signals in harsh under-hood environments, supporting anti-lock braking and engine management systems with precise magnetic field detection.
- Position sensing for industrial motors and actuators, ensuring accurate feedback in automation and robotics.
- Brushless DC motor control, enabling efficient commutation through stable and responsive magnetic sensing.
- Proximity detection and speed measurement in conveyor systems, enhancing process control and safety.
A3M34TL139T2 Brand Info
Produced by a leading semiconductor manufacturer, this Hall effect sensor integrates advanced silicon technology ensuring high sensitivity and durability. The product line is recognized for stringent quality controls and consistent performance in demanding industrial applications. The sensor’s design reflects the brand’s commitment to innovation and reliability in magnetic sensing solutions, supporting engineers with dependable, ready-to-use components that simplify system development.
ЧАСТО ЗАДАВАЕМЫЕ ВОПРОСЫ
What is the maximum supply voltage supported by this Hall sensor?
The device supports a wide supply voltage range from 3.8 V up to 24 V, allowing it to operate efficiently across various power environments commonly found in automotive and industrial systems.
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Can the sensor operate reliably in extreme temperatures?
Yes, it is designed to function over a temperature range from -40 ??C to +150 ??C, making it suitable for harsh conditions such as under-hood automotive applications and industrial environments.
What type of output does the sensor provide and how does it affect integration?
The sensor features an open-drain output, which enables flexible interfacing with microcontrollers and logic circuits by allowing external pull-up resistors. This facilitates easy integration into diverse system architectures.
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Is there protection against incorrect power supply connection?
Yes, the sensor includes reverse polarity protection, which protects the device against potential damage if the power supply connections are reversed during installation or maintenance.
What package is used and how does it benefit PCB design?
The sensor comes in a compact TO-92 package, which is widely used for its small footprint and ease of mounting, making it convenient for designers working with limited board space.
