High speed magnetic angle encoder IC
Magnetic Angle Encoder IC - High speed magnetic angle encoder IC
MT6825

Magnetic Angle Detection IC - High Speed Magnetic Angle Encoder IC


Description:

The MT6825 is MagnTek’s 3rd generation angle encoder IC, based on anisotropic magneto resistance (AMR) technology and proprietary signal condition technology with 0°~360° full measurement range. The sensor contains two Wheatstone bridges and signal condition ASIC. With the rotation of magnet flux, the MT6816 outputs encoded angle signals,the signal delay is as low as 2us,  and provides 14 bit angle data for customer by 3-Wire/4-Wire SPI interface. 

Compared to traditional Hall sensors, the AMR angle sensor reduces the need for magnetic fields due to its operation in the saturation region, making customer installation easier. The MT6825 is available in a TSSOP-16 package and it can simultaneously output ABZ, UVW and SPI signals. It is suitable for position feedback in motor control, rotation control for consumer and industry applications.


Features:

- Based on AMR technology with 0°~360° Range Angle Sensing

- 3.3~5.0V Operating Voltage Range

- -40℃~125℃ Operating Temperature Range

- Typical INL<±0.5° and at Full Operating Temperature Range INL<±1.0°

- Out Propagation Delay < 2 us 

- Maximum Rotation Speed 25,000 rpm

- 14 bit Core Resolution

- Incremental ABZ Resolution 1~4096 Pulses per Revolution User Programmable

- UVW output resolution 1~16 ploe-pairs per revolution user programmable

- 12 Bit PWM Output

- Up to 5 Times Online Zero Position Program


Features and advantages
  • -Based on AMR technology, providing absolute angle measurement of 0°~360°
  • -Working voltage 3.3~5.0V
  • -Working temperature -40℃~125℃
  • -Typical linearity deviation <±0.5°, within the full temperature range <±1.0°
  • -The system delay is as low as 2us, and the maximum speed is up to 25,000 rpm
  • -Provide a standard 3-wire or 4-wire SPI interface (the highest clock is 16MHz) to read the 18-bit angle data inside the chip
  • -Incremental output ABZ supports any resolution of 1~4096 lines
  • -Incremental output UVW supports any polarity from 1 to 16
  • -Provide 12-bit PWM output
  • -Support up to 5 times of online zero programming
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