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Analog Devices Inc. ADXL356BEZ-RL7
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- Part No.:
- ADXL356BEZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Accelerometers
- Package:
- 14-CLCC
- Datasheet:
-
ADXL356BEZ-RL7.pdf
- Description:
- ACCEL 10-20G ANALOG 14CLCC
- Quantity:
- Payment:
- Shipping:
Inventory:784
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Product details
Overview
ADXL356BEZ-RL7 from Analog Devices is a hermetically sealed, low-noise, low-drift, analog-output 3-axis MEMS accelerometer with ±10 g / ±20 g selectable range, 75 μg/√Hz noise spectral density, 0.75 mg/°C max 0 g offset drift, and 2.4 kHz bandwidth - deployed in seismic imaging and structural health monitoring systems requiring long-term stability.
For engineers reviewing the ADXL356BEZ-RL7 datasheet, ADXL356BEZ-RL7 pinout, ADXL356BEZ-RL7 application, or ADXL356BEZ-RL7 equivalent, key selection criteria include analog output sensitivity (80 mV/g @ ±10 g), hermetic LCC package for drift control, −40°C to +125°C operation, and 150 μA measurement current enabling battery-powered precision sensing.
Technical Context
The ADXL356BEZ-RL7 implements a fully differential capacitive transducer architecture with on-chip analog signal conditioning, ratiometric voltage output referenced to V1P8ANA, and user-selectable full-scale range via the RANGE pin. Its analog output path excludes ADC, digital filters, or FIFO - distinguishing it from the ADXL357 digital variant.
It features integrated temperature compensation, dual self-test electrodes (ST1/ST2), and independent power domains: VSUPPLY (2.25–3.6 V) powers internal LDOs, while V1P8ANA (1.8 V ±10%) sets analog output scale and VDDIO (2.5–3.6 V) supplies digital logic. No SPI/I²C interface is present.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Type | Analog voltage outputs (XOUT/YOUT/ZOUT), ratiometric to V1P8ANA reference |
| Full-Scale Range | Selectable ±10 g or ±20 g via RANGE pin; no ±40 g support in ADXL356B variant |
| Noise Spectral Density | 75 μg/√Hz (±10 g range); enables <100 μg resolution in 1 Hz bandwidth |
| 0 g Offset Drift | Max ±0.75 mg/°C over −40°C to +125°C; ensures <10 mg total drift across full temp range |
| Supply Current | 150 μA in measurement mode (VSUPPLY LDO enabled); supports >6-year battery life at 100 Hz sampling |
| Bandwidth | 2.4 kHz (−3 dB); preserves mechanical resonance detection up to 5.5 kHz sensor pole |
| Operating Temp | −40°C to +125°C; qualified for downhole, aerospace, and industrial harsh environments |
Pinout & Package
ADXL356BEZ-RL7 uses a 14-terminal, 6 mm × 5.6 mm × 2.2 mm ceramic LCC (E-14-11) hermetic package with gold-plated terminations and no exposed pad. The package provides long-term zero-g stability and minimal thermal hysteresis.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RANGE (Pin 1) | Range selection input | Ground = ±10 g; VDDIO = ±20 g (ADXL356B); not configurable for ±40 g |
| ST1 (Pin 2) | Self-test enable | Active-low control; must be held low during normal operation to prevent unintended test activation |
| ST2 (Pin 3) | Self-test actuation | Drives electrostatic force on proof mass; used with ST1 to verify sensor functionality without mechanical stimulus |
| TEMP (Pin 4) | Analog temperature sensor output | 967 mV at 25°C, 3.0 mV/°C scale factor; enables on-board thermal compensation calibration |
| VDDIO (Pin 5) | Digital I/O supply | Powers RANGE, ST1, ST2, STBY logic; must be 2.5–3.6 V; decoupling required |
| VSSIO (Pin 6) | Digital ground | Separate return path for digital control pins; must be connected to system digital ground |
| STBY (Pin 7) | Mode control input | Ground = standby (21 μA); VDDIO = measurement mode (150 μA); fast 10 ms wake-up |
| V1P8DIG (Pin 8) | Digital LDO output bypass | Supplies internal digital circuitry when LDO enabled; short to VSS if external 1.8 V supplied |
| VSS (Pin 9) | Analog ground | Primary analog return; must be star-connected to minimize noise coupling into XOUT/YOUT/ZOUT |
| V1P8ANA (Pin 10) | Analog LDO output | 1.8 V ±10% reference for analog outputs; requires 1 μF ceramic decoupling; defines sensitivity scaling |
| VSUPPLY (Pin 11) | Main supply input | 2.25–3.6 V; powers internal LDOs; connect to VSS to disable LDOs and use external 1.8 V supplies |
| XOUT (Pin 12) | X-axis analog output | 80 mV/g ±10 g full-scale; 32 kΩ output impedance; requires external buffer for low-Z loads |
| YOUT (Pin 13) | Y-axis analog output | Identical to XOUT: ratiometric, same sensitivity, same output impedance, same noise performance |
| ZOUT (Pin 14) | Z-axis analog output | Identical to XOUT/YOUT but with 0.2% repeatability vs. 0.1% for X/Y; optimized for vertical axis stability |
Key Features
| Feature | Design Value |
|---|---|
| Hermetic ceramic LCC package | Eliminates moisture-induced drift and long-term zero-g shift; enables >10-year calibration stability |
| 0 g offset drift ≤ ±0.75 mg/°C | Reduces need for frequent temperature-based recalibration in tilt and inertial navigation applications |
| Ultralow 75 μg/√Hz noise | Supports sub-millig resolution in 1 Hz bandwidth; critical for seismic event detection below 1 Hz |
| 150 μA measurement current | Enables continuous high-precision sensing in energy-constrained wireless condition-monitoring nodes |
| Integrated temperature sensor (±0.5°C accuracy) | Provides real-time die temperature for gain/offset compensation without external sensors |
| Programmable ±10 g / ±20 g range | Allows single BOM part to serve both high-sensitivity (tilt) and high-dynamic-range (vibration) use cases |
Applications
| Seismic Imaging | Structural Health Monitoring |
|---|---|
|
Use Scenario: Deployed in borehole arrays to detect microseismic events (<0.1 Hz) and characterize subsurface geology. IC Role / Device Role / Timing Role: Primary analog acceleration transducer; outputs conditioned DC-coupled voltage proportional to ground motion. Use Value: 75 μg/√Hz noise and hermetic stability enable detection of 10⁻⁴ g signals over decades without recalibration. |
Use Scenario: Embedded in bridges, dams, and wind turbine towers to monitor low-frequency resonant modes and fatigue accumulation. IC Role / Device Role / Timing Role: High-stability inertial sensor feeding data to edge analytics for anomaly detection. Use Value: 0.75 mg/°C drift and −40°C to +125°C rating ensure reliable baseline tracking across seasonal thermal cycles. |
| Tilt Sensing | Platform Stabilization |
|
Use Scenario: Used in precision leveling instruments and antenna pointing systems requiring <0.01° static tilt resolution. IC Role / Device Role / Timing Role: Low-drift 3-axis analog accelerometer providing gravity-referenced orientation vector. Use Value: ±10 g range + 80 mV/g sensitivity yields 16-bit-equivalent resolution with 16-bit ADC; minimal temperature-induced error. |
Use Scenario: Mounted on marine radar pedestals and satellite communication dishes to reject vessel motion and maintain line-of-sight. IC Role / Device Role / Timing Role: Core inertial element in closed-loop stabilization feedback path with <10 ms latency. Use Value: 2.4 kHz bandwidth captures high-frequency platform jitter; analog output avoids digital conversion delay. |
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) but narrower bandwidth (1 kHz); ±2 g / ±4 g only; no temperature sensor | Better for ultra-low-frequency tilt where bandwidth <1 kHz suffices; unsuitable for vibration analysis above 1 kHz | Choose ADXL354BEZ-RL7 only when sub-25 μg/√Hz noise is mandatory and ±10 g range is excessive. |
| ADXL355BEZ-RL7 | Digital SPI/I²C output; 20-bit ADC; programmable filters; higher current (200 μA); same noise and drift specs | Preferred when digital integration, FIFO buffering, or synchronized multi-node sampling is required | Choose ADXL355BEZ-RL7 when system already uses SPI/I²C infrastructure and firmware can manage register configuration. |
Compared with ADXL356BEZ-RL7, ADXL354BEZ-RL7 trades bandwidth and range for lower noise in static tilt, while ADXL355BEZ-RL7 adds digital flexibility at the cost of analog simplicity and deterministic latency - making ADXL356BEZ-RL7 optimal for analog-signal-chain architectures demanding hermetic stability and minimal power.
Availability
ADXL356BEZ-RL7 is available at Aetrix Electronics and suitable for seismic imaging, structural health monitoring, tilt sensing, and platform stabilization applications requiring stable component supply, long-term calibration retention, and operation across −40°C to +125°C.
Supply support for ADXL356BEZ-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 ADXL356 product line delivers ultra-stable, low-noise MEMS accelerometers for mission-critical inertial sensing in geophysical, aerospace, and industrial applications where calibration drift is unacceptable.
FAQ
What is the full-scale range configuration for ADXL356BEZ-RL7?
The ADXL356BEZ-RL7 supports ±10 g and ±20 g ranges only, selected by the RANGE pin: grounded for ±10 g, tied to VDDIO for ±20 g. Unlike ADXL356C or ADXL357, it does not support ±40 g. This is fixed by the B-grade silicon variant and confirmed in the Ordering Guide and Table 1 of the ADXL356/ADXL357 Rev. A datasheet.
Does ADXL356BEZ-RL7 include an integrated temperature sensor?
Yes, ADXL356BEZ-RL7 integrates a calibrated analog temperature sensor with 967 mV output at 25°C and 3.0 mV/°C scale factor (±0.5°C accuracy). The TEMP pin (Pin 4) provides this output, enabling on-device thermal compensation without external components - a feature shared across the ADXL356/ADXL357 family and verified in the General Description and Specifications sections.
What is the supply current consumption of ADXL356BEZ-RL7 in active mode?
ADXL356BEZ-RL7 draws 150 μA in measurement mode when the internal LDO is enabled (VSUPPLY = 2.25–3.6 V). With LDO disabled and external 1.8 V applied to V1P8ANA/V1P8DIG, current drops to 138 μA (V1P8ANA) + 12 μA (V1P8DIG) = 150 μA total - matching the datasheet's "Measurement Mode" row under Power Supply. Standby current is 21 μA.
Is ADXL356BEZ-RL7 compatible with I²C or SPI interfaces?
No, ADXL356BEZ-RL7 has no digital interface. It is an analog-output-only device with XOUT/YOUT/ZOUT voltage pins. Digital interfaces (SPI/I²C), FIFO, registers, and programmable filters exist only in the ADXL357 and ADXL355 variants. The ADXL356BEZ-RL7 pinout omits CS, SCLK, MISO, MOSI, and INT pins - confirmed in Figure 6 and Table 8 of the datasheet.
What package type and dimensions does ADXL356BEZ-RL7 use?
ADXL356BEZ-RL7 uses a 14-terminal, 6 mm × 5.6 mm × 2.2 mm ceramic LCC (Leaded Chip Carrier) package, designated E-14-11 in Analog Devices' packaging nomenclature. It is hermetically sealed, RoHS-compliant, and features gold-plated terminations - specified in the Outline Dimensions section (Page 42) and Pin Configurations (Page 10) of the ADXL356/ADXL357 Rev. A datasheet.
ADXL356BEZ-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, ±20g
- Sensitivity (LSB/g):
- -
- Sensitivity (mV/g):
- 40 (±20g) ~ 80 (±10g)
- 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)
ADXL356BEZ-RL7 FAQ
1.How can I place an order for ADXL356BEZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADXL356BEZ-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 ADXL356BEZ-RL7 reliable?
The price and inventory of ADXL356BEZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADXL356BEZ-RL7 is usually 5 days.
3.What payment methods are accepted for ADXL356BEZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADXL356BEZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADXL356BEZ-RL7?
ADXL356BEZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADXL356BEZ-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 ADXL356BEZ-RL7?
For technical support, including ADXL356BEZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADXL356BEZ-RL7 requirements.
6.How does Aetrix verify that ADXL356BEZ-RL7 is sourced from the original manufacturer or authorized distributors?
All ADXL356BEZ-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 ADXL356BEZ-RL7 meets industry standards.
7.What is the process for return or replacement of ADXL356BEZ-RL7?
All ADXL356BEZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADXL356BEZ-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 ADXL356BEZ-RL7 part is unused and in its original packaging.
Return procedure for ADXL356BEZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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