Description | |
The TMR3102 is a contactless, high-precision, and high-speed magnetic rotary encoder sensor, which integrated with tunneling magnetoresistance (TMR) sensors and CMOS digital signal processing circuitry. The TMR3102 senses the single pole-pair magnet rotation above the chip by TMR sensors, collects the rotating magnetic field signal, transmits it to the digital processing unit, and calculates the rotation angle. TMR3102P outputs 12-bit absolute position signal through SPI communication protocol. At the same time, it is able to output analog and PWM signals, with rotational speed up to 20,000 RPM. |  SOP8 |
Features and Benefits | |
 Tunneling magnetoresistance (TMR) technology | Contactless measurement |
| Available in Analog and PWM interfaces output | Programmable zero position |
| 12-bit absolute position output in SPI mode | Angular repeatability < ±0.2° |
| Speeds up to 20,000 RPM | Adaptive supply voltage: 3.3 V to 5 V |
| RoHS and REACH compliant | |
Applications | |
| Contactless angular position measurement | Brushless motor position sensing |
| Rotary speed sensing | Rotary angular sensing |
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