A1122LLHLT-T: Features, Specs & More
In modern electronics, Hall effect sensors play a crucial role in detecting magnetic fields with precision. The Allegro MicroSystems A1122LLHLT-T is a unipolar Hall effect sensor that delivers reliable performance across automotive and industrial applications. In this comprehensive article, we'll delve into the intricacies of the A1122LLHLT-T, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.
Catalog
A1122LLHLT-T's Overview
The Allegro A1122LLHLT-T is a unipolar Hall effect sensor IC. It detects magnetic fields and provides a digital output based on the presence or absence of a magnetic flux. It is designed for surface-mount applications and comes in a compact 3-pin SOT-23W package.
Key Features
Let's delve into the standout features that make the A1122LLHLT-T a standout in the world of electronics:
· The sensor operates with a unipolar magnetic field response.
· It supports multiple supply voltages including 3.3V, 5V, 9V, 12V, 15V, and 18V.
· It provides a maximum output current of 25mA for flexible circuit design.
· The sensor has a fast typical output fall time of 0.1μs.
· It offers low power consumption with a maximum supply current of 4mA.
· It is AEC-Q100 qualified for automotive-grade reliability.
· It ensures stable operation across a temperature range of -40°C to 150°C.
Specifications
Now, let's take a closer look at the technical specifications that define the capabilities of the A1122LLHLT-T:
Type | Parameter |
Magnetic Type | Unipolar |
Module/IC Classification | IC |
Minimum Magnetic Sensor Release Point (Gs) | 110 |
Typical Magnetic Sensor Hysteresis (Gs) | 25 |
Maximum Magnetic Sensor Operating Point (Gs) | 200 |
Typical Output Fall Time (us) | 0.1 |
Maximum Output Current (mA) | 25 |
Minimum Operating Supply Voltage (V) | 3 |
Typical Operating Supply Voltage (V) | 3.3|5|9|12|15|18 |
Maximum Operating Supply Voltage (V) | 24 |
Maximum Supply Current (uA) | 4000 |
Minimum Operating Temperature (°C) | -40 |
Maximum Operating Temperature (°C) | 150 |
Supplier Temperature Grade | Automotive |
Packaging | Tape and Reel |
Mounting | Surface Mount |
Package Height | 0.95 |
Package Width | 1.91 |
Package Length | 2.98 |
PCB changed | 3 |
Standard Package Name | SOT |
Supplier Package | SOT-23W |
Pin Count | 3 |
Lead Shape | Gull-wing |
Applications
The Allegro A1122LLHLT-T is widely used in both automotive and consumer electronics.
· It is suitable for position and speed sensing in automotive systems.
· It supports motor control applications in industrial equipment.
· It is used in current sensing modules for power management.
· It helps detect open or closed states in safety and security systems.
· It can be integrated into consumer electronics for magnetic field detection.
A1122LLHLT-T's Manufacturer
Allegro MicroSystems is a global semiconductor leader in sensor and power integrated circuits (ICs) and photonics. With more than 30 years of experience developing advanced semiconductor technology and application-specific algorithms, Allegro designs, develops, manufactures, and markets analog and mixed-signal semiconductors. The Company offers magnetic sensor integrated circuits (ICs), dual element switches, micropower switches, single output drivers, and LED drivers.
Conclusion
The Allegro A1122LLHLT-T Hall Effect Sensor combines high reliability, wide voltage support, and automotive-grade quality in a compact package. Its unipolar sensing design and fast response make it ideal for demanding environments where precision and durability are essential. Whether for automotive speed sensing, motor control, or general-purpose electronics, this sensor provides a dependable solution for modern engineering challenges.
