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A3214ELHLT-T
+BOMMAGNETIC SWITCH OMNIPOLAR SOT23W
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Nhà sản xuấtAllegro MicroSystems
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Ông. Phần #A3214ELHLT-T
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Bảng dữ liệu A3214ELHLT-T DataSheet
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Gói SOT-23-3
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Có sẵn2280
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Omnipolar Switch |
| Technology | Hall Effect |
| Polarization | North Pole, South Pole |
| Sensing Range | ±7mT Trip, ±1mT Release |
| Test Condition | -40°C ~ 85°C |
| Voltage - Supply | 2.4V ~ 5.5V |
| Current - Supply (Max) | 2mA |
| Current - Output (Max) | 1mA |
| Output Type | Open Drain |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Supplier Device Package | SOT-23W |
Tổng quan
Description
Hall-effect sensors like the A3214ELHLT-T are crucial for precise detection of magnetic fields, enabling applications such as speed sensing, proximity detection, and current sensing. These are often characterized by their non-contact operation, high reliability, and robustness in harsh environments. The "T" at the end could refer to a specific package type or reel format for automated assembly processes.
Overall, the A3214ELHLT-T serves as a reliable and efficient component for systems requiring accurate magnetic field measurement, contributing to the advancement of modern electronic applications through its integration into various devices and machinery.
Equivalent
Features
1. Latch Type: It operates as a latch, meaning it retains its output state when the magnetic field is removed, and changes state with alternating north and south magnetic poles.
2. Sensitivity: The sensor is designed to detect the presence of a magnetic field, switching states accordingly.
3. Temperature Stability: It offers stable operation over a wide temperature range, making it suitable for various applications.
4. Power Efficiency: The device is known for low power consumption, which is ideal for battery-operated devices.
5. Package Type: The sensor is available in surface-mount packaging, specifically a SOT-23W (3-pin) format, which is compact and easy to integrate into circuit boards.
6. Output: It provides a digital (binary) output, making it easy to interface with microcontrollers and other digital systems.
These features make the A3214ELHLT-T suitable for applications such as speed detection, RPM sensing, and position sensing in automotive and industrial environments.
Pinout
The A3214ELHLT-T comes in a 3-pin package. Here is a concise description of its pin count and function:
1. Pin Count: 3 pins
- Pin 1: VCC (Power Supply) - This pin is connected to the positive supply voltage.
- Pin 2: GND (Ground) - This pin is connected to ground or zero voltage reference.
- Pin 3: OUT (Output) - This pin provides the output signal, indicating the presence or absence of a magnetic field.
The device operates by leveraging the Hall effect, where it outputs a digital signal based on the magnetic field strength at its sensing element. When a magnetic field of sufficient strength is detected, the output transistor is activated, pulling the output pin to a low state. When the magnetic field is removed or below the threshold, the output returns to a high state.