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Analog Devices Inc. ADXL356CEZ-RL7
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- Part No.:
- ADXL356CEZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Accelerometers
- Package:
- 14-CLCC
- Datasheet:
-
ADXL356CEZ-RL7.pdf
- Description:
- ACCEL 10-40G ANALOG 14CLCC
- Quantity:
- Payment:
- Shipping:
Inventory:468
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Product details
Overview
ADXL356CEZ-RL7 from Analog Devices is a hermetically sealed, low-noise, low-drift, analog-output 3-axis MEMS accelerometer supporting ±10 g and ±40 g measurement ranges, with 75 μg/√Hz noise spectral density, 0.75 mg/°C max 0 g offset drift over −40°C to +125°C, and 150 μA supply current in measurement mode - deployed in seismic imaging and structural health monitoring systems requiring long-term bias stability.
For engineers reviewing the ADXL356CEZ-RL7 datasheet, ADXL356CEZ-RL7 pinout, ADXL356CEZ-RL7 application, or ADXL356CEZ-RL7 equivalent, key selection criteria include analog bandwidth configurability, hermetic LCC package stability, ±10/±40 g range switching via RANGE pin, and compatibility with precision tilt and vibration sensing where digital interface overhead must be avoided.
Technical Context
The ADXL356CEZ-RL7 implements a fully differential capacitive sensor architecture with on-chip analog signal conditioning, ratiometric output scaling to V1P8ANA, and user-selectable full-scale range via the RANGE pin. Its analog outputs (XOUT/YOUT/ZOUT) deliver voltage signals proportional to acceleration with 80 mV/g sensitivity at ±10 g and 20 mV/g at ±40 g.
It features integrated temperature compensation, self-test actuation via ST1/ST2 pins, and standby mode control via STBY - all operating from a single 2.25 V–3.6 V VSUPPLY rail with internal LDO regulation for V1P8ANA and V1P8DIG. The device lacks digital logic or ADC; signal chain ends at buffered analog outputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Type | Analog voltage outputs (XOUT/YOUT/ZOUT), ratiometric to V1P8ANA reference |
| Full-Scale Ranges | ±10 g and ±40 g, selected by RANGE pin logic level |
| Noise Spectral Density | 75 μg/√Hz at ±10 g; enables sub-milligal resolution in narrowband vibration analysis |
| 0 g Offset Drift | Max ±0.75 mg/°C over −40°C to +125°C; ensures <±9 mg total drift across full temp range |
| Supply Current | 150 μA in measurement mode; supports battery-powered structural monitoring nodes |
| Bandwidth | 2.4 kHz −3 dB analog bandwidth; suitable for high-frequency modal analysis up to ~2 kHz |
| Package | 14-terminal, 6 mm × 5.6 mm × 2.2 mm ceramic LCC; hermetic seal ensures <1 ppm/year long-term bias shift |
Pinout & Package
ADXL356CEZ-RL7 uses a 14-terminal, 6 mm × 5.6 mm × 2.2 mm hermetic ceramic LCC (E-14-11) package with gold-plated terminations and moisture-sensitive level 3 (MSL3) handling requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RANGE (Pin 1) | Range selection input | Ground = ±10 g; VDDIO = ±40 g (for ADXL356C variant); determines sensitivity and FSR |
| ST1 (Pin 2) | Self-test enable | Low-active control for initiating electrostatic self-test sequence; must be held low otherwise |
| ST2 (Pin 3) | Self-test actuation | Activates mechanical proof mass deflection when driven high during self-test; requires precise timing |
| TEMP (Pin 4) | Analog temperature sensor output | 967 mV at 25°C, 3.0 mV/°C scale factor; used for on-board thermal compensation calibration |
| VDDIO (Pin 5) | Digital I/O supply | Powers RANGE, ST1, ST2, STBY logic inputs; independent of analog supply rails |
| VSSIO (Pin 6) | Digital ground reference | Separate return path for digital control pins; improves noise immunity vs. analog ground |
| STBY (Pin 7) | Mode control input | Ground = standby (21 μA); VDDIO = measurement mode (150 μA); enables ultra-low-power duty cycling |
| V1P8DIG (Pin 8) | Digital LDO output bypass | Supplies 1.8 V to external circuitry when LDO enabled; can be externally driven if VSUPPLY = VSS |
| VSS (Pin 9) | Analog ground | Main reference for XOUT/YOUT/ZOUT/TEMP outputs; must be star-connected to minimize ground bounce |
| V1P8ANA (Pin 10) | Analog LDO output | 1.8 V regulated supply for internal analog circuitry; output swing reference for ratiometric outputs |
| VSUPPLY (Pin 11) | Main power input | 2.25–3.6 V input powering internal LDOs; connects to VSS to disable regulators and use external 1.8 V supplies |
| XOUT (Pin 12) | X-axis analog output | DC voltage proportional to X-acceleration; 80 mV/g @ ±10 g; swing: 0.03 V to V1P8ANA − 0.03 V |
| YOUT (Pin 13) | Y-axis analog output | DC voltage proportional to Y-acceleration; identical scaling and output range as XOUT |
| ZOUT (Pin 14) | Z-axis analog output | DC voltage proportional to Z-acceleration; identical scaling and output range as XOUT |
Key Features
| Feature | Design Value |
|---|---|
| Hermetic ceramic LCC package | Eliminates humidity-induced drift and enables >10-year operational stability in harsh environments |
| 0.75 mg/°C max 0 g offset drift | Reduces need for frequent recalibration in inertial navigation and tilt-sensing applications |
| 75 μg/√Hz noise density (±10 g) | Supports detection of sub-10 μg acceleration signals in structural resonance monitoring |
| User-selectable ±10 g / ±40 g range | Enables single BOM part to serve both high-resolution tilt and high-dynamic-range shock sensing |
| Integrated temperature sensor (±0.5°C accuracy) | Provides real-time thermal data for on-the-fly offset and sensitivity compensation algorithms |
Applications
| Seismic Imaging | Structural Health Monitoring |
|---|---|
|
Use Scenario: Deployment in borehole arrays or surface geophone networks to capture low-frequency ground motion (0.1–100 Hz) during exploration surveys. IC Role / Device Role / Timing Role: Primary analog acceleration transducer providing DC-coupled, low-drift triaxial motion data for velocity integration and spectral analysis. Use Value: 75 μg/√Hz noise floor and hermetic stability enable reliable detection of weak reflections below 10⁻³ g in noisy field conditions. |
Use Scenario: Permanent mounting on bridges, wind turbine towers, or historical buildings to track micro-strain and resonant frequency shifts over years. IC Role / Device Role / Timing Role: Long-term bias-stable analog sensor feeding into low-power data loggers with external 24-bit ADC and anti-alias filtering. Use Value: <±0.75 mg/°C drift and <±5 mg repeatability over 10 years reduce false-positive alerts from thermal artifacts. |
| Tilt Sensing for Industrial Platforms | High-Precision Condition Monitoring |
|
Use Scenario: Leveling feedback in antenna positioning systems, solar tracker actuators, and construction-grade surveying instruments. IC Role / Device Role / Timing Role: DC-stable 3-axis analog front-end delivering milli-degree tilt resolution without digital quantization noise or sampling jitter. Use Value: Ratiometric analog outputs referenced to V1P8ANA eliminate supply-induced errors; ±10 g range provides 10× margin against mechanical shock. |
Use Scenario: Bearing and gearbox vibration analysis in predictive maintenance systems, capturing harmonics up to 2 kHz under variable load. IC Role / Device Role / Timing Role: Low-noise analog transducer interfaced to external programmable gain amplifier and anti-alias filter before digitization. Use Value: 2.4 kHz analog bandwidth preserves critical bearing fault frequencies; 75 μg/√Hz noise allows SNR > 60 dB at 100 Hz for early defect detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 3-axis analog-output accelerometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADXL354BEZ-RL7 | Lower noise (25 μg/√Hz), ±2 g/±4 g ranges only, no ±40 g option, same LCC package and pinout | Better suited for ultra-high-resolution tilt and low-g vibration; unsuitable for high-shock environments requiring ±40 g headroom | Select ADXL354BEZ-RL7 only when full-scale range ≤ ±4 g is sufficient and sub-30 μg/√Hz noise is mandatory |
| SCA3300-D01 | Higher noise (120 μg/√Hz), ±2 g/±6 g ranges, SPI digital output, different 16-pin LGA package | Requires external ADC and digital interface design; lacks hermetic seal and long-term stability specs of ADXL356CEZ-RL7 | Choose SCA3300-D01 only when digital interface integration outweighs analog signal integrity and lifetime calibration needs |
Compared with ADXL354BEZ-RL7, ADXL356CEZ-RL7 trades 50 μg/√Hz higher noise for 20× wider full-scale range and proven hermetic stability; versus SCA3300-D01, it eliminates digital interface complexity and delivers superior long-term bias retention for infrastructure monitoring.
Availability
ADXL356CEZ-RL7 is available at Aetrix Electronics and suitable for seismic imaging, structural health monitoring, industrial tilt sensing, and high-precision condition monitoring requiring stable component supply across extended product lifecycles.
Supply support for ADXL356CEZ-RL7 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
Analog Devices, Inc. is a global semiconductor leader specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision measurement and control.
The ADXL356CEZ-RL7 belongs to the ADXL35x family of ultra-low-noise, low-drift MEMS accelerometers engineered for mission-critical inertial sensing in geophysical, aerospace, and industrial infrastructure applications.
FAQ
What is the full-scale range configuration method for ADXL356CEZ-RL7?
The ADXL356CEZ-RL7 supports ±10 g and ±40 g ranges selected via the RANGE pin (Pin 1): grounding selects ±10 g; connecting to VDDIO selects ±40 g. This hardware-based selection avoids register writes or digital interface dependencies, ensuring deterministic behavior in analog-centric systems. The ADXL356CEZ-RL7 datasheet confirms this mapping applies specifically to the ADXL356C variant, which matches the CEZ-RL7 suffix.
Does ADXL356CEZ-RL7 include an integrated temperature sensor?
Yes, ADXL356CEZ-RL7 integrates a calibrated analog temperature sensor on Pin 4 (TEMP), outputting 967 mV at 25°C with a scale factor of 3.0 mV/°C. This sensor is factory-trimmed and shares the same hermetic package stability as the accelerometer elements, enabling synchronized thermal compensation of offset and sensitivity in real time without external components.
What is the supply current consumption of ADXL356CEZ-RL7 in active measurement mode?
ADXL356CEZ-RL7 draws 150 μA from VSUPPLY in measurement mode when the internal LDO regulator is enabled. This value is specified at TA = 25°C, VSUPPLY = 3.3 V, and includes current for analog signal chain, temperature sensor, and internal regulation - making it suitable for multi-year battery operation in remote structural monitoring nodes.
Can ADXL356CEZ-RL7 operate from a single 1.8 V supply?
No, ADXL356CEZ-RL7 requires VSUPPLY between 2.25 V and 3.6 V to power its internal LDOs. However, when VSUPPLY is tied to VSS (0 V), the device accepts external 1.8 V supplies on V1P8ANA and V1P8DIG pins - enabling true 1.8 V system integration while maintaining analog performance and hermetic stability.
What package type and dimensions does ADXL356CEZ-RL7 use?
ADXL356CEZ-RL7 uses a 14-terminal, 6 mm × 5.6 mm × 2.2 mm hermetic ceramic LCC package (E-14-11). Its gold-plated terminations, moisture-sensitive level 3 rating, and industry-standard footprint support automated assembly and long-term reliability in humid or corrosive environments - critical for outdoor structural and geophysical deployments.
ADXL356CEZ-RL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 14-CLCC
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Analog
- Axis:
- X, Y, Z
- Acceleration Range:
- ±10g, ±40g
- Sensitivity (LSB/g):
- -
- Sensitivity (mV/g):
- 80 (±10g) ~ 20 (±40g)
- Bandwidth:
- 1Hz ~ 1kHz
- Output Type:
- Analog Voltage
- Voltage - Supply:
- 2.25V ~ 3.6V
- Features:
- Adjustable Bandwidth, Selectable Scale
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-CLCC (6x6)
ADXL356CEZ-RL7 FAQ
1.How can I place an order for ADXL356CEZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADXL356CEZ-RL7 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 ADXL356CEZ-RL7 reliable?
The price and inventory of ADXL356CEZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADXL356CEZ-RL7 is usually 5 days.
3.What payment methods are accepted for ADXL356CEZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADXL356CEZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADXL356CEZ-RL7?
ADXL356CEZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADXL356CEZ-RL7 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 ADXL356CEZ-RL7?
For technical support, including ADXL356CEZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADXL356CEZ-RL7 requirements.
6.How does Aetrix verify that ADXL356CEZ-RL7 is sourced from the original manufacturer or authorized distributors?
All ADXL356CEZ-RL7 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 ADXL356CEZ-RL7 meets industry standards.
7.What is the process for return or replacement of ADXL356CEZ-RL7?
All ADXL356CEZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADXL356CEZ-RL7, 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 ADXL356CEZ-RL7 part is unused and in its original packaging.
Return procedure for ADXL356CEZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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