The MT6825 is MagnTek's third-generation magnetic angle encoder chip, which is based on anisotropic magnetoresistive (AMR) technology and proprietary signal processing technology to achieve absolute angle measurement of 0~360°. The chip consists of a pair of AMR Wheatstone bridges and signal processing ASIC circuits. As the magnetic field parallel to the surface of the chip rotates, the chip outputs a corresponding encoded angle signal with a signal delay of less than 2us, and the user can also read the angle data calculated inside the chip through the high-speed SPI interface.
Compared with traditional Hall sensors, AMR angle sensors are easier for customers to install because they operate in the saturation zone, which reduces the magnetic field requirements. The MT6825 is available in a TSSOP-16 package, which can output ABZ, UVW and SPI signals simultaneously, and is widely used in various consumer and industrial applications such as motor position feedback control and rotation control.
Product Features
• Working voltage (V)：3.0~5.0
• Working temperature (℃)：-40~125
• System delay (constant speed)：<2us
• Maximum supported speed：<25,000 RPM
• ABZ incremental output：1~4096Pulsesper Revolution User Programmable
• UVW incremental output：1-16 Pole-Pairsper Revolution User Programmable
• PWM output：12bit
• Absolute value angle：18bit
• communication interface：3-wire SPI/4-wire SPI
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