Product Overview
The MagnTek MT6813 is an advanced rotary position sensor IC utilizing AMR magnetic sensing technology to provide contactless, full-range (0~360) angle sensing. It offers independent output interfaces including I2C, SPI, Analog, and PWM, with programmable linear transfer characteristics and zero position. Featuring 14-bit core resolution and 12-bit DAC/PWM resolution, the MT6813 is designed for robustness against magnet variations, stray magnetic fields, air gap changes, and off-axis misalignment. Its applications span absolute linear position sensing, BLDC motor control, robotics, contactless potentiometers, and power tools.
Product Attributes
- Brand: MagnTek
- Technology: Advanced AMR Sensing Technology
- Certifications: RoHS Compliant 2011/65/EU
- Package Options: SOP-8, QFN-16
Technical Specifications
| Parameter | Details | Unit |
|---|---|---|
| Core Resolution | 14-bit | |
| DAC/PWM Resolution | 12-bit | |
| Angle Sensing Range | 0~360 Full Range | |
| Output Interfaces | I2C, SPI (3-Wire or 4-Wire), Analog, PWM | |
| Supply Voltage (VDD) | 3.0 ~ 5.5V (Typical 3.3~5.0V) | V |
| Supply Current (Idd) | Typ. 6.0, Max. 9.0 | mA |
| Power-Up Time (TPwrUp) | Max. 1.0 | ms |
| Integral Non-Linearity (INL) | Typ. 1.2, Max. 2.0 | |
| Analog Output Resistance (ROUT) | Typ. 15, Max. 30 | |
| PWM Frequency (FPWM) | Programmable (625 /1250 /2500 /5000) | Hz |
| Magnetic Input Field Amplitude (Bpk) | Min. 200, Max. 10000 | Gauss |
| Air Gap (AG) | Max. 3.0 | mm |
| Rotation Speed | Max. 10000 | RPM |
| Off-Axis Misalignment (DISP) | Max. 0.3 | mm |
| Operating Temperature | -40 to 125 | |
| Storage Temperature | -55 to 150 | |
| SOP-8 Package Dimensions | Refer to section 9.1 | |
| QFN-16 Package Dimensions | Refer to section 9.2 | |
| MT6813CT-PAD | I2C or 4-Wire SPI; 10bit 2.5KHz PWM Output, SOP-8 | |
| MT6813CT-PBD | I2C or 4-Wire SPI; 11bit 1.25KHz PWM Output, SOP-8 | |
| MT6813CT-PCD | I2C or 4-Wire SPI; 12bit 625Hz PWM Output, SOP-8 | |
| MT6813CT-LAC | I2C or 3-Wire SPI; Analog Output, SOP-8 | |
| MT6813QT-PAD | I2C or 4-Wire SPI; 10bit 2.5KHz PWM Output, QFN-16 | |
| MT6813QT-LAD | I2C or 4-Wire SPI; Analog Output, QFN-16 | |
| MT6813QT-LAC | I2C or 3-Wire SPI; Analog Output, QFN-16 |
2509251450_Magn-Tek-MT6813CT-PAD-R_C51966347.pdf
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