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STMicroelectronics E-LIS3L02AS5TR
- Part No.:
- E-LIS3L02AS5TR
- Manufacturer:
- STMicroelectronics
- Category:
- Accelerometers
- Package:
- 24-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
E-LIS3L02AS5TR.pdf
- Description:
- ACCELEROMETER 2-6G ANALOG 24SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,925
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Product details
Overview
E-LIS3L02AS5TR from STMicroelectronics is a 3-axis analog-output MEMS linear accelerometer with user-selectable ±2g/±6g full-scale range, 0.5 mg resolution over 100 Hz bandwidth, ratiometric output voltage (Vdd/2 ±10% zero-g level), and integrated self-test and power-down functions. It operates from 4.5–5.5 V, consumes 1.5 mA typical in active mode, and is housed in a lead-free SO24 package for industrial-grade inertial sensing in motion-triggered systems.
For engineers reviewing the E-LIS3L02AS5TR datasheet, E-LIS3L02AS5TR pinout, E-LIS3L02AS5TR application, or E-LIS3L02AS5TR equivalent, this device supports precise DC-coupled acceleration measurement in robotics stabilization, free-fall detection, and gaming input devices where analog interface simplicity, shock survivability (10,000g), and factory-trimmed offset/sensitivity are critical.
Technical Context
The LIS3L02AS5TR integrates a surface-micromachined capacitive sensing element with a fully differential CMOS interface featuring Correlated Double Sampling (CDS) to suppress 1/f noise and offset drift. Its three independent analog outputs (Voutx/Vouty/Voutz) each drive via 110 kΩ internal impedance, enabling external RC low-pass filtering with cutoffs adjustable from 1 Hz to 500 Hz using load capacitance ≥320 pF.
Factory calibration stores trimming values for zero-g level (Voff = Vdd/2 ±10%) and sensitivity (So = Vdd/5 V/g at ±2g, Vdd/15 V/g at ±6g) in non-volatile memory. Self-test activation (ST = Vdd) induces electrostatic actuation, producing predictable output voltage shifts (e.g., ±160 mV on Y axis at 5 V, ±2g FS), verifying mechanical integrity and signal chain functionality.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5–5.5 V - Enables direct integration with 5 V logic rails without LDO regulation. |
| Full-Scale Range | ±2g or ±6g (FS pin logic-controlled) - Selectable trade-off between resolution (0.5 mg @ ±2g) and dynamic range. |
| Bandwidth | DC to 1.5 kHz - Supports high-speed motion capture; external RC filters reduce bandwidth for anti-aliasing. |
| Output Impedance | 110 kΩ ±20% - Defines RC filter corner frequency with external Cload; requires high-Z ADC inputs. |
| Zero-g Level | Vdd/2 ±10% - Ratiometric to supply; eliminates need for precision reference but demands stable Vdd. |
| Self-Test Output Shift | ±160 mV (Y axis, 5 V, ±2g) - Verifies sensor functionality without mechanical stimulus; cubic Vdd dependence. |
| Power Consumption | 1.5 mA active / 5 µA power-down - Enables battery-operated applications with duty-cycled sensing. |
Pinout & Package
Package: SO24 (24-pin small-outline, 15.6 mm × 7.6 mm × 2.65 mm, 0.6 g weight, lead-free ECOPACK® compliant).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 6 GND | Ground reference | Common return path for analog and digital circuitry; must be low-impedance to minimize noise coupling. |
| 7 Vdd | Power supply | 4.5–5.5 V analog/digital supply; requires local 100 nF + 10 µF decoupling per datasheet layout guidelines. |
| 8, 10, 12 Vouty/Voutx/Voutz | Analog outputs | Single-ended DC-coupled voltage outputs proportional to acceleration on X/Y/Z axes; each drives 110 kΩ impedance. |
| 9 ST | Self-test control | Logic-high (≥3.6 V) activates electrostatic test force; output shift confirms mechanical/electrical integrity. |
| 11 PD | Power-down enable | Logic-high places device in ultra-low-power state (5 µA); exit time depends on Cload (550×Cload + 0.3 ms). |
| 13 FS | Full-scale selection | Logic-low selects ±2g (higher resolution); logic-high selects ±6g (wider range); sets sensitivity scaling factor. |
Key Features
| Feature | Design Value |
|---|---|
| Ratiometric output | Zero-g level and sensitivity scale linearly with Vdd - simplifies system-level calibration when supply is stable. |
| Embedded self-test | Deterministic output voltage shift (±160 mV) verifies sensor operation without external motion or fixtures. |
| Factory-trimmed parameters | Non-volatile storage of offset and sensitivity trims - enables plug-and-play use without end-user calibration. |
| High shock survivability | Withstands 10,000g for 0.1 ms - suitable for drop-prone consumer electronics and industrial equipment. |
| Low-noise CDS architecture | Correlated Double Sampling suppresses 1/f noise and offset drift - ensures stable DC-coupled measurements. |
Applications
| Mobile Terminal Motion Sensing | Gaming Input Device |
|---|---|
|
Use Scenario: Detecting orientation changes and tap gestures in smartphones and tablets. IC Role / Device Role / Timing Role: Analog 3-axis acceleration transducer providing DC-stable voltage outputs for host MCU ADC sampling. Use Value: ±2g full-scale setting delivers 0.5 mg resolution for fine-grained tilt detection; ratiometric output aligns with 5 V system rails. |
Use Scenario: Translating hand movement into real-time cursor control or character motion in handheld game controllers. IC Role / Device Role / Timing Role: Low-latency analog inertial sensor feeding sampled data to microcontroller for gesture recognition algorithms. Use Value: 1.5 kHz bandwidth captures rapid wrist flicks; self-test validates sensor health before gameplay sessions. |
| Free-Fall Detection for HDD Protection | Robotics Stabilization Feedback |
|
Use Scenario: Triggering hard disk drive head retraction upon sudden vertical acceleration loss (e.g., laptop drop). IC Role / Device Role / Timing Role: Always-on motion monitor generating voltage thresholds for comparator-based fall detection circuitry. Use Value: Power-down mode (5 µA) enables continuous monitoring; ±6g range accommodates high-G impact events during fall initiation. |
Use Scenario: Providing pitch/roll feedback to PID controllers in wheeled or legged robots maintaining balance. IC Role / Device Role / Timing Role: Analog inertial reference for closed-loop attitude estimation, interfaced to precision ADCs. Use Value: Factory-trimmed zero-g level ensures consistent baseline across units; 110 kΩ output impedance allows simple RC filtering to match control loop bandwidth. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 3-axis analog-output MEMS accelerometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADXL335 | 3.3 V only supply; ±3 g full-scale fixed; 300 µg/√Hz noise density; no self-test. | Lacks programmable full-scale and embedded self-test; requires separate 3.3 V rail. | Select if system uses 3.3 V exclusively and does not require field-verifiable sensor integrity. |
| LIS344ALH | Digital I²C/SPI output; ±2g/±8g selectable; 10-bit resolution; built-in FIFO; 3.3 V supply. | Replaces analog interface with digital protocol; adds motion detection interrupts and configurable ODR. | Select if host MCU lacks high-resolution ADC or requires embedded event detection (e.g., tap, free-fall). |
Compared with ADXL335 and LIS344ALH, the E-LIS3L02AS5TR uniquely combines 5 V operation, dual full-scale selection, analog simplicity, and deterministic self-test - making it optimal for legacy 5 V systems requiring verified mechanical reliability without digital interface overhead.
Availability
E-LIS3L02AS5TR is available at Aetrix Electronics and suitable for mobile terminal motion sensing, gaming input devices, free-fall detection for data protection, and robotics stabilization requiring stable component supply across extended temperature ranges (−40°C to +85°C).
Supply support for E-LIS3L02AS5TR 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in automotive, industrial, and consumer ICs with strong MEMS and sensor IP.
The LIS3L02AS5TR belongs to ST's analog-output MEMS accelerometer product line, designed for cost-sensitive, high-reliability applications demanding factory-calibrated DC stability, shock resilience, and minimal external components.
FAQ
What is the recommended external capacitor value for 100 Hz anti-aliasing filtering?
Per the datasheet equation ft = 1.45 µF / Cload, a 15 nF ceramic capacitor yields ~100 Hz cutoff. This value satisfies the minimum 320 pF load requirement and aligns with the 100 Hz bandwidth specification for 0.5 mg resolution. Place capacitors close to Vout pins with short traces to avoid parasitic inductance.
How does the self-test function verify sensor integrity?
Applying logic-high to the ST pin generates an electrostatic force that displaces the proof mass, inducing predictable DC voltage shifts (e.g., ±160 mV on Y axis at 5 V, ±2g). Measuring these shifts confirms both mechanical mobility and analog signal chain functionality without external motion or calibration fixtures.
Can the E-LIS3L02AS5TR operate from a 3.3 V supply?
No - the absolute minimum supply voltage is 4.5 V, and operation below this risks undefined behavior or damage. The device is specified only for 4.5–5.5 V operation, with factory calibration performed at 5.0 V. Using 3.3 V violates absolute maximum ratings and voids performance guarantees.
What is the impact of supply voltage variation on zero-g level accuracy?
Zero-g level is ratiometric: Voff = Vdd/2 ±10%. At 4.5 V, nominal zero-g is 2.25 V ±0.225 V; at 5.5 V, it is 2.75 V ±0.275 V. System-level accuracy therefore depends on Vdd stability - a 1% Vdd ripple causes ~1% zero-g shift, necessitating tight supply regulation for high-precision DC measurements.
E-LIS3L02AS5TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 24-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Analog
- Axis:
- X, Y, Z
- Acceleration Range:
- ±2g, 6g
- Sensitivity (LSB/g):
- -
- Sensitivity (mV/g):
- 1000 (±2g) ~ 333 (±6g)
- Bandwidth:
- 1.5kHz
- Output Type:
- Analog Voltage
- Voltage - Supply:
- 4.5V ~ 5.5V
- Features:
- Selectable Scale
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-SO
E-LIS3L02AS5TR FAQ
1.How can I place an order for E-LIS3L02AS5TR through Aetrix?
Please submit a Request for Quotation (RFQ) for E-LIS3L02AS5TR 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 E-LIS3L02AS5TR reliable?
The price and inventory of E-LIS3L02AS5TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for E-LIS3L02AS5TR is usually 5 days.
3.What payment methods are accepted for E-LIS3L02AS5TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for E-LIS3L02AS5TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for E-LIS3L02AS5TR?
E-LIS3L02AS5TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your E-LIS3L02AS5TR 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 E-LIS3L02AS5TR?
For technical support, including E-LIS3L02AS5TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your E-LIS3L02AS5TR requirements.
6.How does Aetrix verify that E-LIS3L02AS5TR is sourced from the original manufacturer or authorized distributors?
All E-LIS3L02AS5TR 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 E-LIS3L02AS5TR meets industry standards.
7.What is the process for return or replacement of E-LIS3L02AS5TR?
All E-LIS3L02AS5TR units undergo pre-shipment inspection (PSI). If there is an issue with E-LIS3L02AS5TR, 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 E-LIS3L02AS5TR part is unused and in its original packaging.
Return procedure for E-LIS3L02AS5TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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