Product Overview
The MagnTek MT6813 is an advanced AMR magnetic angle position sensor designed for contactless angle measurement. It offers a 0 to 360 full range sensing capability with independent output interfaces including I2C, SPI, Analog, and PWM. Key features include programmable linear transfer characteristics, programmable zero position, and high core resolution (14-bit) with 12-bit DAC/PWM resolution. Its design is robust against magnet variations, stray magnetic fields, air gap changes, and off-axis misalignment. The MT6813 is suitable for applications such as absolute linear position sensing, BLDC motor control, robotics control, contactless potentiometers, and power tools.
Product Attributes
- Brand: MagnTek
- Technology: Advanced AMR Sensing Technology
- Compliance: 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, Analog, PWM | |
| Supply Voltage (VDD) | 3.0~5.5V (Typical 3.3~5.0V) | V |
| HVPP Supply Voltage | 6.75~7.25V | V |
| Supply Current (Idd) | 6.0 (Typ), 9.0 (Max) | mA |
| Integral Non-Linearity (INL) | 1.2 (Typ), 2.0 (Max) | |
| Power-Up Time (TPwrUp) | 1.0 (Max) | ms |
| Analog Output Resistance (ROUT) | 15 (Typ), 30 (Max) | |
| Saturation High Voltage (VSat_High) | 95 (Typ), 98 (Max) %VDD | |
| Saturation Low Voltage (VSat_Low) | 2 (Typ), 5 (Max) %VDD | |
| DAC LSB | 0.025 %VDD | |
| DAC Integral Non-Linearity (DAC_INL) | 3 LSB (Max) | |
| DAC Differential Non-Linearity (DAC_DNL) | 1.5 LSB (Max) | |
| Analog Output Noise (VNoise) | 0.02 %VDD (RMS) | |
| Ratiometric Error (Erm) | -0.3 to 0.3 | % |
| PWM Frequency (FPWM) | Programmable (625, 1250, 2500, 5000 Hz) | Hz |
| PWM Rising Time (TRise) | 1 (Max) | us |
| PWM Falling Time (TFall) | 1 (Max) | us |
| High Level Input Voltage (VIH) | 0.7*VDD (Min) | V |
| Low Level Input Voltage (VIL) | 0.3*VDD (Max) | V |
| GPIO Output High Level (VOH) | VDD-0.1 (Min) | V |
| GPIO Output Low Level (VOL) | 0.1 (Max) | V |
| Input Leakage Current (ILK) | 1 (Max) | A |
| Recommended Magnet Diameter (Dmag) | 8.0 | mm |
| Recommended Magnet Thickness (Tmag) | 2.5 | mm |
| Magnetic Input Field Amplitude (Bpk) | 20 to 10000 | Guass |
| Air Gap (AG) | - (Max 3.0) | mm |
| Rotation Speed (RS) | - (Max 10000) | RPM |
| Off Axis Misalignment (DISP) | - (Max 0.3) | mm |
| Recommended Magnet Material | NdFeB, SmCo | |
| SOP-8 Package Dimensions (A) | 1.450 - 1.750 | mm |
| SOP-8 Package Dimensions (D) | 4.700 - 5.100 | mm |
| SOP-8 Package Dimensions (E) | 5.800 - 6.200 | mm |
| QFN-16 Package Dimensions (A) | 0.700 - 0.800 | mm |
| QFN-16 Package Dimensions (D) | 2.900 - 3.100 | mm |
| QFN-16 Package Dimensions (E) | 2.900 - 3.100 | mm |
| Storage Temperature | -55 to 150 | |
| Operating Temperature | -40 to 125 | |
| Electrostatic Discharge (HBM) | 3.0 | KV |
| Electrostatic Discharge (CDM) | 1.5 | KV |
2410121952_Magn-Tek-MT6813CT-PAD_C879555.pdf
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