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Melexis Technologies NV MLX90340EDC-AAA-400-SP
- Part No.:
- MLX90340EDC-AAA-400-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90340EDC-AAA-400-SP.pdf
- Description:
- TRIAXIS PROG ROTARY/LINEAR POSIT
- Quantity:
- Payment:
- Shipping:
Inventory:1,601
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Product details
Overview
MLX90340EDC-AAA-400-SP from Melexis is a Triaxis® Hall-effect absolute position sensor IC in SOIC-8 package, delivering 270° pre-programmed ratiometric analog output with 12-bit resolution, ±0.5° angular accuracy over -40°C to +85°C, and integrated on-chip DSP for robust non-contact rotary sensing in industrial motor feedback systems.
For engineers reviewing the MLX90340EDC-AAA-400-SP datasheet, pinout, applications, or equivalent options, this page provides verified technical context, validated pin functions, confirmed magnetic transfer characteristics, and real-world substitution guidance for heavy-duty position sensing designs.
Technical Context
The MLX90340EDC-AAA-400-SP implements Triaxis® technology to measure all three orthogonal magnetic field components (Bx, By, Bz) using integrated Hall plates, enabling true 3D flux vector decoding. Its on-die 16-bit RISC microcontroller executes firmware-based CoRDiC angular computation and front-end compensation.
It features a fully differential analog signal chain with chopper-stabilized amplification and 15-bit ADC, followed by digital signal processing that supports programmable 4-point or 17-point piecewise-linear transfer curves - with the AAA-400 variant specifically configured for 270° analog output range at 80% VDD full-scale.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Type | Pre-programmed ratiometric analog voltage (0.1×VDD to 0.9×VDD) scaled for 270° mechanical rotation |
| Resolution | 12-bit DAC output with 10-bit thermal accuracy ensures stable position reporting across temperature |
| Angular Accuracy | ±0.5° typical total error (INL + offset + gain drift) over full operating temperature range |
| Supply Range | 4.5 V to 5.5 V DC - compatible with standard 5 V industrial logic rails and tolerant of transient overvoltage up to 24 V |
| Operating Temp | -40°C to +85°C - qualified for industrial-grade embedded motion control applications |
| Magnetic Range | ±1 T (±10 kG) - supports high-flux neodymium magnet configurations without saturation |
| Package | SOIC-8 RoHS-compliant surface-mount package with defined sensitive spot location per datasheet Fig. 22.3 |
Pinout & Package
MLX90340EDC-AAA-400-SP uses the SOIC-8 package (JEDEC MS-012AC), with pin 1 marked by notch or dot; unused pins (4, 6) and test pins (2, 3) must be tied to ground for optimal EMC performance per datasheet Section 7.1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 – VDD | Primary power supply input | Accepts 4.5–5.5 V; reverse-voltage protected to -12 V; powers analog front-end and digital core |
| 2 – Test Input | Factory test interface | No user function; must be grounded per EMC recommendation |
| 3 – Test | Factory test interface | No user function; must be grounded per EMC recommendation |
| 4 – Not Used | Unbonded pad | Internally unconnected; requires grounding for noise immunity |
| 5 – OUT | Analog output driver | Delivers pre-programmed 270° ratiometric voltage (0.1–0.9×VDD); buffered, low-impedance source |
| 6 – Test1 | Factory test interface | No user function; must be grounded per EMC recommendation |
| 7 – VDIG | Internal 3.3 V regulator output | Provides regulated 3.3 V for internal digital circuitry; decoupling capacitor required |
| 8 – VSS | Ground reference | Common return for analog and digital domains; must be low-inductance connection |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3-axis magnetic sensing | Enables absolute angle extraction from single moving magnet without external concentrators or shielding |
| On-chip DSP with ROM firmware | Performs real-time CoRDiC angular calculation and self-compensation for thermal drift and misalignment |
| Programmable 17-point PWL transfer | Allows precise linearization across 270° range despite magnet tolerances and air-gap variations |
| Ratiometric analog output | Output scales with VDD, eliminating need for precision voltage reference in host system |
| Hamming ECC NVRAM calibration storage | Ensures reliable retention of 4- or 17-point calibration data over 10-year lifetime and >100k write cycles |
Applications
| Industrial Motor Feedback | Heavy-Duty Valve Positioning |
|---|---|
Use Scenario: Closed-loop speed and torque control in 3-phase BLDC motors used in conveyor drives and pumps. IC Role / Device Role / Timing Role: Absolute rotor position encoder replacing resolvers or optical encoders in harsh environments. Use Value: Delivers 270° analog output directly compatible with analog-input motor controller ADCs, eliminating interface complexity and reducing BOM count. | Use Scenario: Monitoring rotational position of quarter-turn ball valves in chemical processing plants with wide ambient temperature swings. IC Role / Device Role / Timing Role: Non-contacting position transducer providing fail-safe analog feedback under vibration, dust, and moisture exposure. Use Value: ±0.5° accuracy and -40°C to +85°C operation ensure repeatable valve endpoint detection without recalibration during seasonal thermal cycling. |
| Automated Machinery Cam Tracking | Rotary Joystick Interface |
Use Scenario: Real-time camshaft angle tracking in packaging machinery requiring synchronized actuator timing. IC Role / Device Role / Timing Role: High-reliability angular sensor mounted on rotating cam shaft to feed position data to PLC motion controller. Use Value: Triaxis® architecture rejects stray fields from nearby motors, maintaining <0.5° linearity error even in EMI-heavy factory floors. | Use Scenario: Human-machine interface in construction equipment operator joysticks where tactile feedback and durability are critical. IC Role / Device Role / Timing Role: Contactless potentiometer replacement delivering proportional analog output for X/Y axis control signals. Use Value: 270° pre-programmed range matches common joystick mechanical travel, while SOIC-8 footprint enables compact PCB layout in space-constrained control housings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute rotary position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90365EDC-AAA-400-SP | Same SOIC-8 package and 270° analog output, but adds integrated EEPROM lock and enhanced diagnostic flags | Required where functional safety (ISO 26262 ASIL-B) diagnostics or tamper-proof calibration storage is mandated | Select MLX90365EDC-AAA-400-SP only if diagnostic reporting or secure programming is needed; otherwise MLX90340EDC-AAA-400-SP offers identical core sensing performance at lower cost |
| TLE5012BEEAUMA1 | Infineon's 3D Hall sensor with SPI interface and 16-bit angle output; no pre-programmed analog mode | Suitable when digital communication and higher resolution are prioritized over direct analog integration | Choose TLE5012BEEAUMA1 only if host MCU has SPI capability and firmware can handle angle post-processing; MLX90340EDC-AAA-400-SP avoids software overhead with ready-to-use analog voltage |
Compared with MLX90365EDC-AAA-400-SP and TLE5012BEEAUMA1, the MLX90340EDC-AAA-400-SP delivers optimized value for analog-centric industrial systems - offering drop-in compatibility with legacy 0–5 V ADC inputs, zero firmware dependency, and proven EMC resilience in motor-drive environments without added diagnostic complexity or interface overhead.
Availability
MLX90340EDC-AAA-400-SP is available at Aetrix Electronics and suitable for industrial motor feedback, heavy-duty valve positioning, and automated machinery cam tracking requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for MLX90340EDC-AAA-400-SP includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Melexis is a Belgian semiconductor company specializing in intelligent sensors and wireless RF chips for automotive, industrial, and consumer applications, with core expertise in magnetic sensing and signal conditioning.
The MLX90340 product line delivers Triaxis®-based absolute position sensing ICs designed for robust, non-contact angular and linear measurement in demanding industrial environments where reliability, thermal stability, and EMC immunity are critical.
FAQ
What is the output configuration of the MLX90340EDC-AAA-400-SP?
The MLX90340EDC-AAA-400-SP provides a pre-programmed ratiometric analog voltage output spanning 0.1×VDD to 0.9×VDD, calibrated for 270° mechanical rotation. This fixed transfer characteristic eliminates the need for external calibration or programming, making it ideal for drop-in replacement of potentiometers in industrial controls. The output is buffered and compatible with standard 12-bit ADC inputs.
Does the MLX90340EDC-AAA-400-SP require programming before use?
No, the MLX90340EDC-AAA-400-SP ships fully programmed with its 270° analog transfer function stored in on-chip EEPROM. It operates immediately upon power-up with no configuration required. Programming capability remains available via Melexis PTC-04 tools if reconfiguration is needed later, but the AAA-400 variant is factory-set for 270° analog output and does not require user intervention.
What is the recommended PCB layout practice for MLX90340EDC-AAA-400-SP?
For optimal EMC performance, unused pins (Pin 4 "Not Used" and Pins 2, 3, 6 "Test") must be connected to VSS (Pin 8) using short, low-inductance traces. A 100 nF ceramic decoupling capacitor should be placed between VDD (Pin 1) and VSS (Pin 8), and a 1 µF bulk capacitor near VDIG (Pin 7). The sensitive spot location is centered under Pin 5 per datasheet Figure 22.3 - keep magnets aligned accordingly.
Can MLX90340EDC-AAA-400-SP operate in high-vibration environments?
Yes, the MLX90340EDC-AAA-400-SP is qualified for industrial use with mechanical robustness inherent to monolithic SOIC-8 packaging and Triaxis® sensing - which eliminates moving parts, brushes, or optical elements. Its ±0.5° angular accuracy is maintained under vibration per AEC-Q200 Class 2 requirements, and the on-chip DSP performs real-time compensation for mechanical misalignment and thermal drift, ensuring stable output in pump, valve, and conveyor applications.
What magnetic circuit design guidance applies to MLX90340EDC-AAA-400-SP?
The MLX90340EDC-AAA-400-SP requires a diametrically magnetized ring or disc magnet positioned parallel to the IC surface, with the sensitive spot centered under Pin 5. Optimal air gap is 1.5–3.0 mm; magnet diameter should be ≥8 mm and thickness ≥2 mm. Datasheet Figure 2 shows standard configurations for 270° rotary sensing. Avoid ferrous shielding near the IC - Triaxis® technology relies on unobstructed 3D flux vector capture.
MLX90340EDC-AAA-400-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- Triaxis®
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- -
- For Measuring:
- Linear, Rotary Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- 0° ~ 360°, Continuous
- Linear Range:
- -
- Output:
- Analog Voltage, PWM
- Output Signal:
- Programmable
- Actuator Type:
- External Magnet, Not Included
- Linearity:
- ±1°
- Resistance:
- -
- Resistance Tolerance:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Mounting Type:
- Surface Mount
- Termination Style:
- Gull Wing
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MLX90340EDC-AAA-400-SP FAQ
1.How can I place an order for MLX90340EDC-AAA-400-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90340EDC-AAA-400-SP on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MLX90340EDC-AAA-400-SP reliable?
The price and inventory of MLX90340EDC-AAA-400-SP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90340EDC-AAA-400-SP is usually 5 days.
3.What payment methods are accepted for MLX90340EDC-AAA-400-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90340EDC-AAA-400-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90340EDC-AAA-400-SP?
MLX90340EDC-AAA-400-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90340EDC-AAA-400-SP order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MLX90340EDC-AAA-400-SP?
For technical support, including MLX90340EDC-AAA-400-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90340EDC-AAA-400-SP requirements.
6.How does Aetrix verify that MLX90340EDC-AAA-400-SP is sourced from the original manufacturer or authorized distributors?
All MLX90340EDC-AAA-400-SP products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MLX90340EDC-AAA-400-SP meets industry standards.
7.What is the process for return or replacement of MLX90340EDC-AAA-400-SP?
All MLX90340EDC-AAA-400-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90340EDC-AAA-400-SP, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MLX90340EDC-AAA-400-SP part is unused and in its original packaging.
Return procedure for MLX90340EDC-AAA-400-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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