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Melexis Technologies NV MLX90340EDC-AAA-100-RE
- Part No.:
- MLX90340EDC-AAA-100-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90340EDC-AAA-100-RE.pdf
- Description:
- TRIAXIS PROG ROTARY/LINEAR POSIT
- Quantity:
- Payment:
- Shipping:
Inventory:3,363
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Product details
Overview
MLX90340EDC-AAA-100-RE from Melexis is a Triaxis® Hall-effect absolute position sensor IC in SOIC-8 package, delivering 12-bit ratiometric analog output pre-programmed for 90° angular range with 80%VDD transfer slope, ±0.5° typical angular accuracy, and operation from −40°C to +85°C. It enables non-contact rotary position sensing in industrial motor feedback and valve actuation systems.
For engineers reviewing the MLX90340EDC-AAA-100-RE datasheet, pinout, applications, or equivalent options, this page provides verified technical context, SOIC-8 pin mapping, programmable transfer function details, thermal accuracy validation, and direct alternatives for 90° analog-output position sensing designs.
Technical Context
The MLX90340EDC-AAA-100-RE integrates three orthogonal Hall plates (Bx, By, Bz) feeding a 15-bit ADC and 16-bit RISC DSP that computes magnetic angle via CoRDiC-based arctan(Bj/Bi). Its firmware implements front-end offset cancellation using chopper-stabilized amplifiers and 2-phase spinning.
This device supports only analog output mode (no PWM) in its AAA-100 configuration, with fixed 90° measurement range, 80%VDD full-scale slope, and clamped linear transfer characteristic. Internal EEPROM stores calibration parameters with Hamming ECC, enabling field programming via VDD/OUT pins without dedicated programming pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Type | Ratiometric analog voltage (0–80%VDD over 0–90°), no PWM capability in this variant |
| Angular Range | Pre-programmed 90° mechanical rotation range, mapped to full analog output span |
| Resolution & Accuracy | 12-bit output resolution; ±0.5° typical angular accuracy at 25°C; ±1.5° max over −40°C to +85°C |
| Supply Range | 4.5 V to 5.5 V DC; reverse voltage protected to −12 V |
| Thermal Drift | ±0.05°/°C typical angular error drift; enabled by on-chip flux-density self-compensation |
| Package | SOIC-8, RoHS-compliant, surface-mount; sensitive spot centered under Pin 5 (OUT) |
| Magnetic Input | Sensitive to orthogonal (Bz) and in-plane (Bx, By) flux components up to ±1 T |
Pinout & Package
MLX90340EDC-AAA-100-RE uses the SOIC-8 package (JEDEC MS-012AC). Unused and test pins must be grounded per Melexis EMC recommendation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VDD) | Power supply input | 4.5–5.5 V DC main supply; reverse-voltage protected to −12 V |
| 2 (Test Input) | Factory test interface | No user functionality; connect to GND for EMC compliance |
| 3 (Test) | Factory test interface | No user functionality; connect to GND for EMC compliance |
| 4 (Not Used) | Unbonded pad | Must be connected to VSS for optimal EMC performance |
| 5 (OUT) | Analog output signal | Ratiometric voltage (0–80%VDD) representing 0–90° position; buffered DAC output |
| 6 (Test1) | Factory test interface | No user functionality; connect to GND for EMC compliance |
| 7 (VDIG) | Digital regulator output | Internal 3.3 V supply for digital core; decoupling capacitor required |
| 8 (VSS) | Ground reference | Primary ground return for analog and digital sections; low-impedance connection required |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Hall sensing | Simultaneous Bx, By, Bz measurement enables robust absolute angle calculation independent of magnet alignment tolerances |
| On-chip DSP with ROM firmware | 16-bit RISC processor executes CoRDiC-based angle computation and real-time front-end compensation without external controller |
| Programmable analog transfer | Fixed 90° range with 80%VDD slope; clamping and linear gain applied in hardware-no runtime MCU overhead |
| Self-diagnostic capability | Continuous monitoring of supply, temperature, magnetic saturation, and EEPROM integrity; fault reported via output behavior |
| EMC-optimized SOIC-8 layout | Grounding recommendations for all unused/test pins reduce radiated emissions in noisy industrial environments |
Applications
| Industrial Motor Feedback | Valve Position Sensing |
|---|---|
|
Use Scenario: Closed-loop control of brushless DC motor rotor position in HVAC blowers and pump drives. IC Role / Device Role / Timing Role: Absolute angular encoder replacing resolvers or potentiometers; provides real-time 0–90° shaft angle at 10 kHz update rate. Use Value: Eliminates mechanical wear and contact noise; maintains ±0.5° accuracy across −40°C to +85°C ambient without recalibration. |
Use Scenario: Monitoring quarter-turn (90°) actuator position in pneumatic or hydraulic control valves for process automation. IC Role / Device Role / Timing Role: Non-contact position transducer interfacing directly to PLC analog inputs; ratiometric output rejects supply ripple. Use Value: Enables SIL2-capable diagnostics via built-in self-test; withstands vibration and ESD per IEC 61000-4-2 Level 4. |
| Rotary Joystick Interface | Medical Equipment Actuation |
|
Use Scenario: Precision angle detection in ergonomic medical or industrial joysticks requiring smooth 0–90° proportional response. IC Role / Device Role / Timing Role: Primary position sensor feeding analog-to-digital conversion in host microcontroller; 12-bit resolution supports fine-grained control. Use Value: Delivers monotonic transfer function with <0.1% INL; immune to stray fields due to differential Triaxis® topology. |
Use Scenario: Linear stroke feedback in MRI table positioning or surgical robot joint actuators where contactless sensing is mandatory. IC Role / Device Role / Timing Role: Absolute linear displacement sensor using magnet-on-slider configuration; maps 90° rotation to 0–100 mm stroke. Use Value: Meets ISO 13485 manufacturing traceability; 48-bit ID supports device-level calibration data binding in FDA-regulated BOMs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90363KDC-ABA-000-RE | SOIC-8, 360° analog output, same Triaxis® architecture and 12-bit resolution but unprogrammed at factory | Requires end-user programming for 90° range; lacks pre-calibrated 80%VDD slope | Select when custom transfer functions or multi-range configurations are needed beyond fixed 90° |
| AS5055A-DSOT | SOIC-8, 12-bit SPI output, 360° range, no analog output; uses different magnetic sensing principle (planar Hall) | Requires external ADC and microcontroller; no ratiometric analog output or built-in diagnostics | Select when digital interface and higher immunity to axial field interference are prioritized over analog simplicity |
Compared with MLX90340EDC-AAA-100-RE, the MLX90363 offers field-programmability at the cost of added calibration effort, while the AS5055A trades analog convenience for digital flexibility and reduced thermal drift-but requires system-level signal conditioning.
Availability
MLX90340EDC-AAA-100-RE is available at Aetrix Electronics and suitable for industrial motor feedback, valve position sensing, and medical actuation requiring stable component supply, long-term lifecycle support, and automotive-grade reliability in −40°C to +85°C environments.
Supply support for MLX90340EDC-AAA-100-RE 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 magnetic sensing, infrared thermometry, and automotive ICs, with ISO/TS 16949-certified manufacturing and design centers in Europe and Asia.
The MLX90340 belongs to Melexis' Triaxis® absolute position sensor product line, engineered for high-accuracy, non-contact angular and linear measurement in harsh industrial and automotive environments where reliability and EMC robustness are critical.
FAQ
What is the output voltage range of the MLX90340EDC-AAA-100-RE?
The MLX90340EDC-AAA-100-RE delivers a ratiometric analog output ranging from 0 V to 80% of the applied VDD (e.g., 0–4.0 V at VDD = 5.0 V) across its pre-programmed 0–90° angular range. This fixed transfer function eliminates need for external scaling and ensures consistent signal level regardless of supply variation within spec.
Does the MLX90340EDC-AAA-100-RE support PWM output?
No, the MLX90340EDC-AAA-100-RE is factory-configured exclusively for analog output mode. Its AAA-100 option code disables PWM functionality; only the ratiometric voltage output on Pin 5 (OUT) is active. Other variants like AAA-000 support dual-mode selection, but this specific part does not.
Can the MLX90340EDC-AAA-100-RE be reprogrammed in-system?
Yes, the MLX90340EDC-AAA-100-RE supports in-system programming via its VDD and OUT pins using the Melexis PTC-04 programmer and DB90316 software tools. However, reprogramming changes the transfer function or calibration - it does not alter the fundamental 90° range or enable PWM output, which are hard-coded in this variant.
What is the recommended PCB layout practice for MLX90340EDC-AAA-100-RE?
Per Melexis datasheet guidance, all unused and test pins (Pins 2, 3, 4, and 6) must be connected to VSS (Pin 8) to minimize radiated emissions. A 100 nF ceramic decoupling capacitor is required between VDIG (Pin 7) and VSS, and a separate 1 µF bulk capacitor should be placed near VDD (Pin 1). The sensitive spot is centered under Pin 5.
How does the MLX90340EDC-AAA-100-RE achieve thermal accuracy better than conventional Hall sensors?
The MLX90340EDC-AAA-100-RE achieves ±1.5° max angular error over −40°C to +85°C by computing angle from ratios of Hall signals (e.g., arctan(By/Bx)), making it intrinsically insensitive to uniform thermal drift in gain or offset. This Triaxis® ratio-metric method avoids the ±3–5° drift typical of single-axis linear Hall position sensors under temperature variation.
MLX90340EDC-AAA-100-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- Triaxis®
- Packaging:
- Tape & Reel (TR)
- 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-100-RE FAQ
1.How can I place an order for MLX90340EDC-AAA-100-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90340EDC-AAA-100-RE 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-100-RE reliable?
The price and inventory of MLX90340EDC-AAA-100-RE 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-100-RE is usually 5 days.
3.What payment methods are accepted for MLX90340EDC-AAA-100-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90340EDC-AAA-100-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90340EDC-AAA-100-RE?
MLX90340EDC-AAA-100-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90340EDC-AAA-100-RE 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-100-RE?
For technical support, including MLX90340EDC-AAA-100-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90340EDC-AAA-100-RE requirements.
6.How does Aetrix verify that MLX90340EDC-AAA-100-RE is sourced from the original manufacturer or authorized distributors?
All MLX90340EDC-AAA-100-RE 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-100-RE meets industry standards.
7.What is the process for return or replacement of MLX90340EDC-AAA-100-RE?
All MLX90340EDC-AAA-100-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90340EDC-AAA-100-RE, 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-100-RE part is unused and in its original packaging.
Return procedure for MLX90340EDC-AAA-100-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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