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Melexis Technologies NV MLX90340SDC-AAA-400-SP
- Part No.:
- MLX90340SDC-AAA-400-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90340SDC-AAA-400-SP.pdf
- Description:
- TRIAXIS PROG ROTARY/LINEAR POSIT
- Quantity:
- Payment:
- Shipping:
Inventory:1,588
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Product details
Overview
MLX90340SDC-AAA-400-SP from Melexis is a Triaxis® Hall-effect absolute position sensor IC in SOIC-8 package, delivering 12-bit analog output with 270° pre-programmed ratiometric transfer function (80% VDD per 270°), ±0.5° angular accuracy over -40°C to +85°C, and integrated signal processing for rotary or linear non-contact sensing in industrial actuators and valve position feedback.
For engineers reviewing the MLX90340SDC-AAA-400-SP datasheet, pinout, applications, or equivalent options, this page provides verified technical context, SOIC-8 pin mapping, programmable transfer characteristics, thermal accuracy data, and direct alternatives for heavy-duty position sensing designs requiring field-proven magnetic angle decoding.
Technical Context
The MLX90340SDC-AAA-400-SP integrates three orthogonal Hall plates (Bx, By, Bz) with a 15-bit ADC and 16-bit RISC DSP core executing firmware-based CoRDiC angular calculation. Its front-end uses chopper-stabilized amplifiers and 2-phase spinning for offset cancellation, enabling intrinsic flux-density compensation.
It supports only analog ratiometric output mode (pre-configured for 270° range), with internal 12-bit DAC buffering and clamping. The device features EEPROM-based calibration storage with Hamming ECC, no external programming pins, and operates from 4.5–24 V supply with reverse voltage protection to -12 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Type | Ratiometric analog (pre-programmed 270° range, 80% VDD span) |
| Angular Resolution | 12-bit (0.088° LSB step over 270°) |
| Thermal Accuracy | ±0.5° over -40°C to +85°C (typical, full-scale error) |
| Supply Voltage | 4.5 V to 24 V - enables direct battery or industrial bus interfacing without LDO |
| Operating Temp | -40°C to +85°C - qualified for industrial control environments |
| Magnetic Range | ±1 T - supports high-flux neodymium magnets at air gaps up to 5 mm |
| Package | SOIC-8 - surface-mount compatible with standard reflow profiles |
Pinout & Package
MLX90340SDC-AAA-400-SP is housed in an 8-pin SOIC package (RoHS-compliant, JEDEC MS-012). Unused and test pins must be tied to ground for optimal EMC performance per datasheet guidance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VDD) | Power supply input | Accepts 4.5–24 V DC; includes reverse-voltage protection (-12 V max) |
| 2 (Test Input) | Factory test interface | No user connection required; tie to GND if unused |
| 3 (Test) | Factory test interface | No user connection required; tie to GND if unused |
| 4 (Not Used) | Unbonded pad | Must be connected to VSS for EMC compliance |
| 5 (OUT) | Analog output | Ratiometric voltage (0–80% VDD over 270°); buffered, low-impedance drive |
| 6 (Test1) | Factory test interface | No user connection required; tie to GND if unused |
| 7 (VDIG) | Digital regulator output | Provides stable 3.3 V for internal logic; not for external use |
| 8 (VSS) | Ground reference | Primary return path for analog and digital sections; star-ground recommended |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Hall Sensing | Simultaneous Bx/By/Bz measurement enables true 360°-agnostic angular decoding without magnet orientation constraints |
| Pre-programmed 270° Transfer | Factory-calibrated analog output maps 0–270° rotation to 0–0.8×VDD, eliminating field calibration effort |
| Intrinsic Thermal Compensation | Flux-density self-compensation yields ±0.5° accuracy across -40°C to +85°C without external temperature sensors |
| Integrated Signal Chain | On-die ADC, DSP, ROM firmware, EEPROM with Hamming ECC, and 12-bit DAC reduce BOM count and PCB footprint |
| Robust Industrial Interface | 24 V tolerant supply, -12 V reverse protection, ±1 T magnetic range, and SOIC-8 packaging support harsh environments |
Applications
| Rotary Valve Position Feedback | Industrial Hydraulic Cylinder Stroke |
|---|---|
Use Scenario: Monitoring quarter-turn actuator position in water treatment plant valves under vibration and moisture exposure. IC Role / Device Role / Timing Role: Absolute angular sensor providing real-time 0–270° position via ratiometric analog output to PLC analog input module. Use Value: Eliminates potentiometer wear and contact failure; maintains ±0.5° accuracy across ambient temperature swings from -10°C to +70°C. |
Use Scenario: Measuring piston extension in mobile hydraulic systems where oil temperature varies from -20°C to +90°C. IC Role / Device Role / Timing Role: Linear stroke transducer using magnet-on-piston configuration; outputs analog voltage proportional to displacement. Use Value: Delivers 12-bit resolution over full stroke without recalibration; withstands 24 V supply transients and EMI in engine compartments. |
| Non-Contacting Potentiometer Replacement | Motor Commutation Angle Sensing |
Use Scenario: Replacing mechanical potentiometers in HVAC damper actuators subject to dust, humidity, and 100,000-cycle lifetime requirements. IC Role / Device Role / Timing Role: Absolute position encoder converting shaft rotation into ratiometric analog signal for microcontroller ADC sampling. Use Value: Achieves infinite mechanical life and immunity to contamination; 270° range matches common damper travel limits. |
Use Scenario: Providing rotor angle feedback for BLDC motor field-oriented control in industrial pumps. IC Role / Device Role / Timing Role: High-accuracy angular sensor feeding commutation timing logic in real time. Use Value: Enables precise 12-bit angle tracking with <1 µs latency, supporting >20 kHz PWM switching without phase lag artifacts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute magnetic position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90363KDC-AAA-000-SP | SOIC-8, same Triaxis® architecture but factory-programmed for 360° analog range; higher INL (±0.8° vs ±0.5°) | Requires full 360° coverage; lacks 270°-optimized clamping and gain settings of MLX90340SDC-AAA-400-SP | Select when full revolution sensing is mandatory and ±0.8° accuracy suffices |
| AS5055A-DSOT | 12-bit SPI-output magnetic encoder in SOT23-8; no analog output; ±0.3° accuracy but limited to 3.3 V supply and -40°C to +125°C | Requires microcontroller with SPI interface; unsuitable for analog-input-only systems or 24 V industrial buses | Select when digital interface, smaller footprint, and tighter angular tolerance are prioritized over analog simplicity |
Compared with MLX90340SDC-AAA-400-SP, MLX90363KDC-AAA-000-SP offers broader angular coverage but relaxed accuracy, while AS5055A-DSOT trades analog output and supply flexibility for higher precision and compactness-making MLX90340SDC-AAA-400-SP optimal for drop-in analog replacement in 24 V industrial controls.
Availability
MLX90340SDC-AAA-400-SP is available at Aetrix Electronics and suitable for industrial valve actuation, hydraulic cylinder monitoring, non-contacting potentiometer replacement, and BLDC motor commutation requiring stable component supply across extended temperature ranges and high-reliability magnetic sensing.
Supply support for MLX90340SDC-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 solutions for automotive, industrial, and consumer markets, with ISO/TS 16949 and ISO 9001 certification.
The MLX90340 product line delivers robust absolute position sensing using Triaxis® technology for demanding industrial motion control applications where reliability, thermal stability, and non-contact operation are critical.
FAQ
What is the output transfer characteristic of the MLX90340SDC-AAA-400-SP?
The MLX90340SDC-AAA-400-SP is factory-programmed for a 270° ratiometric analog output, delivering 0–80% VDD over its full angular range. This fixed transfer function eliminates need for field calibration and ensures consistent 12-bit resolution (0.088°/LSB) across all units. The output is buffered and designed for direct connection to standard 0–5 V or 0–10 V PLC analog inputs.
Does the MLX90340SDC-AAA-400-SP support PWM output mode?
No, the MLX90340SDC-AAA-400-SP does not support PWM output. It is specifically configured for analog ratiometric output only, as indicated by its "-400" option code (270° pre-programmed analog). Other variants like MLX90340EDC-AAA-200-SP offer 360° analog, while PWM-capable versions carry different option codes and require separate programming.
What is the maximum operating temperature for the MLX90340SDC-AAA-400-SP?
The MLX90340SDC-AAA-400-SP has an operating temperature range of -40°C to +85°C, denoted by the "E" temperature code in its ordering designation. This rating is validated per Melexis qualification standards and applies to both electrical performance and magnetic accuracy specifications, including its ±0.5° thermal angular error guarantee.
Can the MLX90340SDC-AAA-400-SP be reprogrammed after deployment?
No, the MLX90340SDC-AAA-400-SP is factory-programmed with fixed 270° analog transfer characteristics and cannot be reconfigured in the field. Its EEPROM stores calibration data with Hamming ECC, but the output mode, range, and clamping parameters are locked during final test. Reprogramming requires Melexis PTC-04 hardware and is only performed at manufacturing or authorized calibration centers.
Is the SOIC-8 package of the MLX90340SDC-AAA-400-SP RoHS compliant?
Yes, the MLX90340SDC-AAA-400-SP uses a RoHS-compliant SOIC-8 package as confirmed in Section 1 of the official datasheet. The package meets EU Directive 2011/65/EU and includes lead-free terminations compatible with standard SnAgCu reflow profiles. Full material declarations and test reports are available upon request from Melexis or Aetrix Electronics.
MLX90340SDC-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:
- -20°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MLX90340SDC-AAA-400-SP FAQ
1.How can I place an order for MLX90340SDC-AAA-400-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90340SDC-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 MLX90340SDC-AAA-400-SP reliable?
The price and inventory of MLX90340SDC-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 MLX90340SDC-AAA-400-SP is usually 5 days.
3.What payment methods are accepted for MLX90340SDC-AAA-400-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90340SDC-AAA-400-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90340SDC-AAA-400-SP?
MLX90340SDC-AAA-400-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90340SDC-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 MLX90340SDC-AAA-400-SP?
For technical support, including MLX90340SDC-AAA-400-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90340SDC-AAA-400-SP requirements.
6.How does Aetrix verify that MLX90340SDC-AAA-400-SP is sourced from the original manufacturer or authorized distributors?
All MLX90340SDC-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 MLX90340SDC-AAA-400-SP meets industry standards.
7.What is the process for return or replacement of MLX90340SDC-AAA-400-SP?
All MLX90340SDC-AAA-400-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90340SDC-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 MLX90340SDC-AAA-400-SP part is unused and in its original packaging.
Return procedure for MLX90340SDC-AAA-400-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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