Allegro MicroSystems Rotary Position Sensor IC Angle Linear Position Measuring IC
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A33230LLHALT-XZ-S-AR-03 Allegro MicroSystems Position Sensors Angle Linear Position Measuring IC
Hall Effect Sensor Rotary Position External Magnet IC Related products:
Applications: Absolute Rotary Position Sensor Steering Wheel Position Sensor Pedal Position Sensor Motor-shaft Position Sensor Throttle Position Sensor Float-Level Sensor Ride Height Position Sensor Non-Contacting Potentiometer
Description: The MLX90316 is a Tria⊗is® Rotary Position Sensor providing the absolute angular position of a small dipole magnet rotating above the device surface (end-of-shaft magnet). Thanks to an Integrated Magneto-Concentrator (IMC) on its surface, the monolithic device senses, in a contactless fashion, the horizontal component of the applied magnetic flux density. This unique sensing principle applied to a rotary position sensor results into an impressive robustness of the angular position over the mechanical (airgap, off-axis) tolerances. The rotation of this horizontal component is sensed over a wide range (up to 360 Deg. - complete revolution) and processed by the onchip DSP (Digital Signal Processing) to ultimately report the absolute angular position of the magnet either as a ratiometric analog output or as PWM (Pulse-Width Modulation) signal or as a 14- bit data accessible through a 3-pin SPI (serial interface) channel. The output transfer characteristic is fully programmable (e.g. offset, gain, clamping levels, linearity, thermal drift, filtering, range...) to match any specific requirement through end-of-line calibration. The Melexis programming unit PTC-04 communicates and calibrates the device exclusively through the connector terminals (VDDVSS-OUT).
1. Ordering Information
Legend:
Temperature Code: S: from -20 Deg.C to 85 Deg.C E: from -40 Deg.C to 85 Deg.C K: from -40 Deg.C to 125 Deg.C L: from -40 Deg.C to 150 Deg.C
Package Code: “DC” for SOIC-8 package “GO” for TSSOP-16 package (dual die)
Option Code: AAA-xxx: die version xxx-000: standard xxx-100: SPI xxx-102: SPI75AGC, see section 13.4.2 xxx-200: PPA (Pre-programmed Analog) xxx-300: PPD (Pre-programmed Digital)
Packing Form: “RE” for Reel “TU” for Tube
Ordering Example: MLX90316KDC-BCG-000-TU
Glossary of Terms
Gauss (G), Tesla (T) Units for the magnetic flux density - 1 mT = 10 G TC Temperature Coefficient (in ppm/Deg.C.) NC Not Connected PWM Pulse Width Modulation %DC Duty Cycle of the output signal i.e. TON /(TON + TOFF) ADC Analog-to-Digital Converter DAC Digital-to-Analog Converter LSB Least Significant Bit MSB Most Significant Bit DNL Differential Non-Linearity INL Integral Non-Linearity RISC Reduced Instruction Set Computer ASP Analog Signal Processing DSP Digital Signal Processing ATAN Trigonometric function: arctangent (or inverse tangent) IMC Integrated Magneto-Concentrator (IMC®) CoRDiC Coordinate Rotation Digital Computer (i.e. iterative rectangular-to-polar transform) EMC Electro-Magnetic Compatibility
4. Pinout
1 VDD VDD VDIG1 VDIG1 2 Test 0 Test 0 VSS1 (Ground1) VSS1 (Ground1) 3 Switch OUT /SS VDD1 VDD1 4 Not Used / OUT 2 (2) SCLK Test 01 Test 01 5 OUT MOSI / MISO Switch OUT2 /SS2 6 Test 1 Test 1 Not Used2 SCLK2 7 VDIG VDIG OUT2 MOSI2 / MISO2 8 VSS (Ground) VSS (Ground) Test 12 Test 12 9 VDIG2 VDIG2 10 VSS2 (Ground2) VSS2 (Ground2) 11 VDD2 VDD2 12 Test 02 Test 02 13 Switch OUT1 /SS1 14 Not Used1 SCLK1 15 OUT1 MOSI1 / MISO1 16 Test 11 Test 11 For optimal EMC behavior, it is recommended to connect the unused pins (Not Used and Test) to the Ground.
5. Absolute Maximum Ratings Parameter Value Supply Voltage, VDD (overvoltage) + 20 V Reverse Voltage Protection - 10 V Positive Output Voltage – Standard Version + 10 V (Analog or PWM) + 14 V (200 s max – TA = + 25 Deg.C) Positive Output Voltage – SPI Version VDD + 0.3V
Output Current (IOUT) ± 30 mA Reverse Output Voltage - 0.3 V Reverse Output Current - 50 mA Operating Ambient Temperature Range, TA - 40 Deg.C … + 150 Deg.C Storage Temperature Range, TS - 40 Deg.C … + 150 Deg.C Magnetic Flux Density ± 700 mT Exceeding the absolute maximum ratings may cause permanent damage. Exposure to absolute maximum- rated conditions for extended periods may affect device reliability.
7. Isolation Specification DC Operating Parameters at VDD = 5V (unless otherwise specified) and for TA as specified by the Temperature suffix (S, E, K or L). Only valid for the package code GO i.e. dual die version. Parameter Symbol Test Conditions Min Typ Max Units Isolation Resistance Between dice 4 MΩ 8. Timing Specification DC Operating Parameters at VDD = 5V (unless otherwise specified) and for TA as specified by the Temperature suffix (S, E, K or L). Parameter Symbol Test Conditions Min Typ Max Units
Watchdog Wd See section 14 5 ms Start-up Cycle Tsu Slow and Fast mode (11) 15 ms
PWM Frequency FPWM PWM Output Enabled 100 1000 Hz
Package Information:
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Allegro MicroSystems Rotary Position Sensor IC Angle Linear Position Measuring IC |