MHT1803B Temperature Sensor Module – Accurate Sensing, Compact PCB Package

MHT1803B Overview

The MHT1803B is a high-performance magnetic angle sensor designed for precise angular position detection in various industrial and automotive applications. It integrates a Hall sensor with a 10-bit ADC, enabling accurate and noise-immune measurement of rotational angles up to 360 degrees. With its compact 3-pin SOT-23 package and low operating voltage range, it offers seamless integration into space-constrained designs while maintaining reliable performance. The device supports a wide operating temperature range and features a linear output voltage proportional to the measured angle, making it a versatile choice for robust, real-time angular sensing needs. Available from IC Manufacturer.

MHT1803B Technical Specifications

Parameter	Specification	Unit
Supply Voltage (VDD)	2.5 to 5.5	V
Output Voltage Range	0.1 ?? VDD to 0.9 ?? VDD	V
Operating Temperature Range	-40 to +125	??C
Angular Range	0 to 360	Degrees
Resolution	10-bit ADC	Bits
Output Type	Analog Voltage	–
Package Type	SOT-23-3	–
Supply Current	Typically 3.5	mA
Offset Voltage	Typical 2 mV	mV

MHT1803B Key Features

• 360?? Absolute Angle Measurement: Provides continuous and accurate angular position detection without the need for mechanical zeroing, simplifying system calibration.
• Integrated 10-bit ADC: Converts magnetic field input directly into a digital signal with high resolution, delivering precise and stable output for control systems.
• Wide Operating Voltage Range: Supports operation from 2.5 V to 5.5 V, enabling compatibility with a variety of power supply configurations in embedded designs.
• Robust Operating Temperature: Maintains accuracy and reliability across -40??C to +125??C, suitable for harsh industrial and automotive environments.
• Compact SOT-23 Package: Enables easy integration in space-limited applications while ensuring efficient heat dissipation and mechanical stability.

MHT1803B Advantages vs Typical Alternatives

This sensor stands out compared to typical magnetic angle sensors due to its 10-bit resolution and full 360-degree sensing capability, which enhance measurement accuracy and reduce the need for additional components. Its low offset voltage and wide operating temperature range increase reliability in demanding environments. The wide supply voltage range and compact package enable flexible integration, making it a superior choice for precise, low-power angular sensing applications.

Typical Applications

• Industrial motor control systems requiring precise shaft position feedback for optimized torque and speed regulation in automated machinery.
• Automotive steering angle detection to enhance vehicle stability and safety systems with accurate real-time feedback.
• Robotics, where accurate rotational position sensing is critical for joint angle measurement and smooth motion control.
• Consumer electronics devices needing compact and reliable angle sensors for user interface controls and device orientation detection.

MHT1803B Brand Info

The MHT1803B is manufactured by a leading semiconductor supplier known for innovative Hall sensor technologies and robust analog front-end solutions. This product reflects the brand’s commitment to delivering high-precision, reliable magnetic sensing devices optimized for industrial and automotive markets. The sensor’s design emphasizes ease of integration, durability, and consistent performance, backed by comprehensive technical support and quality assurance standards.

FAQ

What is the typical supply current for the sensor?

The device typically consumes around 3.5 mA of supply current during operation. This low current draw helps reduce overall power consumption in embedded systems and contributes to energy-efficient designs.

How does the sensor output represent the angle measurement?

The sensor provides an analog voltage output proportional to the measured angle, ranging from approximately 10% to 90% of the supply voltage. This linear output facilitates straightforward integration with analog-to-digital converters or microcontroller ADC inputs for precise angle calculation.

Can the sensor operate in harsh temperature environments?

Yes, it is designed to function reliably across a temperature range from -40??C to +125??C, making it suitable for demanding industrial and automotive applications where temperature extremes are common.

What package type does the sensor come in?

It is supplied in a compact SOT-23-3 package, which supports easy PCB mounting and enables integration into space-constrained designs while maintaining electrical and thermal performance.

Is the sensor capable of measuring a full 360-degree rotation?

Absolutely, the sensor accurately measures angles over a full 360-degree range without requiring mechanical resets or zeroing, providing continuous absolute position feedback for rotary applications.