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Analog Devices Inc. ADXL1005BCPZ-RL
- Part No.:
- ADXL1005BCPZ-RL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Accelerometers
- Package:
- 32-FQFN Exposed Pad, CSP
- Datasheet:
-
ADXL1005BCPZ-RL.pdf
- Description:
- LOW NOISE 50KHZ +100G 1-AXIS ACC
- Quantity:
- Payment:
- Shipping:
Inventory:1,724
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Product details
Overview
ADXL1005BCPZ-RL from Analog Devices is a single-axis, in-plane MEMS accelerometer with analog output, ±100 g full-scale range, 75 μg/√Hz noise density, dc to 23 kHz linear frequency response, and 42 kHz resonant frequency-designed for high-fidelity bearing fault detection in industrial condition monitoring systems.
For engineers reviewing the ADXL1005BCPZ-RL datasheet, ADXL1005BCPZ-RL pinout, ADXL1005BCPZ-RL application, or ADXL1005BCPZ-RL equivalent, key selection criteria include ultralow noise performance at high bandwidth, ratiometric analog output stability across −40°C to +125°C, self-test and overrange detection functionality, and LFCSP package compatibility with high-vibration mechanical mounting.
Technical Context
The ADXL1005BCPZ-RL employs a polysilicon surface-micromachined proof mass suspended by springs, with differential capacitors detecting displacement; phase-sensitive demodulation converts capacitance imbalance into analog voltage proportional to acceleration. Its internal 200 kHz clock drives signal conditioning circuitry including output amplifier, overrange detector, and electrostatic self-test actuation.
It operates in two modes: continuous measure mode (1.0 mA typical supply current) and standby mode (225 μA typical), with <50 μs recovery time. The ratiometric output (20 mV/g at 5 V, scaling linearly with VDD) requires matched supply/reference for ADC digitization to cancel voltage-induced error.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Full-Scale Range | ±100 g - supports high-dynamic-range vibration measurement in heavy machinery and HVAC equipment. |
| Noise Density | 75 μg/√Hz (100 Hz–20 kHz, 5 V) - enables resolution of sub-g microvibrations critical for early bearing defect detection. |
| Linear Bandwidth | dc to 23 kHz (3 dB point) - captures high-frequency fault signatures while maintaining ±0.25% linearity. |
| Resonant Frequency | 42 kHz typical - defines upper mechanical limit; output gain peaks near resonance, requiring external band limiting above 10 kHz. |
| Sensitivity Tempco | ±5% over −40°C to +125°C - ensures stable scale factor in harsh industrial environments without active calibration. |
| Self-Test Delta | 420–490 mV (ratiometric to VDD) - provides full electromechanical path verification during system power-up or runtime diagnostics. |
| Standby Recovery | <50 μs - allows rapid on-demand activation for duty-cycled wireless sensing nodes without latency penalty. |
Pinout & Package
ADXL1005BCPZ-RL uses a 32-lead, 5 mm × 5 mm × 1.8 mm LFCSP package with exposed thermal pad (EPAD) requiring solder connection to ground for electrical integrity and mechanical stability. Pin 1 is located at top-left corner per standard JEDEC orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| XOUT (Pin 30) | Analog output voltage | Ratiometric (VDD/2 ± full-scale swing), low-impedance (<0.1 Ω), drives up to 20 MΩ resistive or 22 nF capacitive load with series resistor. |
| VDD (Pin 12) | Power supply input | 3.0 V to 5.25 V operation; powers all internal circuitry and sets output scale factor and zero-g offset. |
| VSS (Pins 13, 14, 27, 28) | Ground reference | Common return for supply, output, and internal signal paths; EPAD must be connected to same ground plane. |
| ST (Pin 16) | Self-test control input | Active-high TTL-compatible input (VIH ≥ 0.7×VDD); triggers full electrostatic proof-mass actuation and signal chain validation. |
| STANDBY (Pin 15) | Power mode control | Active-high input enabling ultra-low-power standby (225 μA); output remains valid within 50 μs of deassertion. |
| OR (Pin 20) | Overrange indicator output | Open-drain or push-pull capable output signaling instantaneous >±100 g events; not latched, requires external capture logic. |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow noise density | 75 μg/√Hz enables detection of incipient bearing faults before amplitude-based thresholds are exceeded. |
| Complete electromechanical self-test | Validates sensor mass movement, capacitive transduction, and analog signal chain in one hardware command-no external stimulus required. |
| Ratiometric output architecture | Output sensitivity and zero-g offset track VDD, eliminating supply-induced gain/offset drift when ADC shares same reference. |
| Fast-recovery standby mode | 225 μA quiescent current with <50 μs wake-up supports battery-powered predictive maintenance sensors with burst-acquisition duty cycles. |
| Robust mechanical design | Withstands 10,000 g shock (IEC 60068-2-27) and operates from −40°C to +125°C-suitable for engine-mounted or gearbox-integrated deployment. |
Applications
| Condition Monitoring | Predictive Maintenance |
|---|---|
Use Scenario: Continuous vibration monitoring of rotating assets such as motors, pumps, and gearboxes in industrial plants. IC Role / Device Role / Timing Role: Single-axis analog acceleration sensor capturing high-frequency spectral content for FFT-based fault signature analysis. Use Value: 23 kHz linear bandwidth and 75 μg/√Hz noise floor resolve early-stage bearing spalls and cage defects before catastrophic failure. | Use Scenario: Wireless sensor nodes deployed on critical infrastructure to transmit health metrics to cloud analytics platforms. IC Role / Device Role / Timing Role: Low-power, high-fidelity analog front-end enabling burst-mode acquisition with <50 μs wake-up latency. Use Value: Standby current of 225 μA and fast recovery allow multi-year battery life while preserving diagnostic-grade signal fidelity. |
| Asset Health Management | Acoustic Emission Sensing |
Use Scenario: Embedded monitoring in wind turbine gearboxes where temperature swings exceed 100°C and mechanical shock is frequent. IC Role / Device Role / Timing Role: High-temperature-stable MEMS accelerometer providing calibrated analog output across −40°C to +125°C. Use Value: ±5% sensitivity stability over full temperature range eliminates need for per-unit thermal calibration in field-deployed units. | Use Scenario: Detection of transient stress-wave emissions from micro-crack propagation in composite airframes or pressure vessels. IC Role / Device Role / Timing Role: Wideband analog transducer converting high-frequency mechanical energy (>10 kHz) into voltage for time-domain envelope analysis. Use Value: 42 kHz resonant frequency and 70 kHz amplifier bandwidth support acquisition of discrete acoustic emission pulses with minimal phase distortion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar single-axis high-bandwidth MEMS accelerometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADXL1002BCPZ-RL | Lower full-scale range (±50 g), higher noise density (100 μg/√Hz), same 23 kHz bandwidth and LFCSP package. | Better suited for medium-vibration environments where dynamic range demand is lower and cost sensitivity is higher. | Select ADXL1002BCPZ-RL only if ±50 g range suffices and noise margin above 100 μg/√Hz is acceptable for target fault signatures. |
| PCB 352C33 | IEPE piezoelectric accelerometer with built-in charge amplifier; requires constant-current excitation, no self-test, wider operating temperature (−55°C to +125°C). | Used in lab-grade test benches with existing IEPE infrastructure; incompatible with low-power embedded designs due to 4 mA excitation requirement. | Choose PCB 352C33 only for benchtop validation or legacy IEPE systems-not for battery-powered or self-contained edge nodes. |
Compared with ADXL1005BCPZ-RL, ADXL1002BCPZ-RL trades dynamic range and noise performance for cost, while PCB 352C33 offers superior ruggedness and temperature range but lacks integrated self-test, standby mode, and DC response-making ADXL1005BCPZ-RL uniquely suited for autonomous, high-reliability industrial IoT deployments.
Availability
ADXL1005BCPZ-RL is available at Aetrix Electronics and suitable for condition monitoring, predictive maintenance, and acoustic emission sensing requiring stable component supply across automotive Tier 1, industrial OEM, and aerospace subsystem programs.
Supply support for ADXL1005BCPZ-RL 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 is a global semiconductor leader specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision sensing, power management, and connectivity.
The ADXL100x product line delivers MEMS accelerometers optimized for ultralow-noise, wide-bandwidth industrial vibration diagnostics-targeting bearing fault detection, structural health monitoring, and high-fidelity test instrumentation.
FAQ
What is the maximum supply voltage rating for ADXL1005BCPZ-RL?
The absolute maximum VDD rating for ADXL1005BCPZ-RL is +5.5 V, though operational specification guarantees performance between 3.0 V and 5.25 V. Exceeding 5.25 V may cause parametric shift or reliability degradation; operation at 5.0 V is recommended for optimal noise and bandwidth performance as characterized in the datasheet.
Does ADXL1005BCPZ-RL support DC-coupled acceleration measurement?
Yes, ADXL1005BCPZ-RL supports true DC-coupled measurement with a linear response extending down to dc. Its ratiometric zero-g output is centered at VDD/2, enabling static tilt and low-frequency vibration analysis without high-pass filtering artifacts-critical for asset health trending over hours or days.
How does the overrange (OR) output function on ADXL1005BCPZ-RL?
The OR pin on ADXL1005BCPZ-RL is an active-high, non-latching indicator that asserts instantly when sensed acceleration exceeds ±100 g. It requires external logic (e.g., microcontroller GPIO interrupt) to capture the event, as it clears immediately upon return to range-enabling real-time overload detection without firmware polling overhead.
Can ADXL1005BCPZ-RL be used with a 3.3 V supply?
Yes, ADXL1005BCPZ-RL operates down to 3.0 V. At 3.3 V, sensitivity reduces to ~13.2 mV/g (ratiometric), noise density increases to 125 μg/√Hz, and standby current drops to ~240 μA. System-level validation is required to confirm SNR and bandwidth meet application requirements under 3.3 V bias.
What mechanical mounting method is recommended for ADXL1005BCPZ-RL above 10 kHz?
For reliable operation above 10 kHz, ADXL1005BCPZ-RL requires rigid mechanical coupling-typically via stud mount directly to the monitored surface. Adhesive or magnetic mounts introduce damping and resonance below 5 kHz and are unsuitable for high-frequency fidelity; PCB layout must minimize flexure and use multiple thermal vias under the EPAD for stiffness.
ADXL1005BCPZ-RL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 32-FQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Analog
- Axis:
- X
- Acceleration Range:
- ±100g
- Sensitivity (LSB/g):
- -
- Sensitivity (mV/g):
- 20
- Bandwidth:
- 42kHz
- Output Type:
- Analog Voltage
- Voltage - Supply:
- 3V ~ 5.25V
- Features:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-LFCSP (5x5)
ADXL1005BCPZ-RL FAQ
1.How can I place an order for ADXL1005BCPZ-RL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADXL1005BCPZ-RL 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 ADXL1005BCPZ-RL reliable?
The price and inventory of ADXL1005BCPZ-RL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADXL1005BCPZ-RL is usually 5 days.
3.What payment methods are accepted for ADXL1005BCPZ-RL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADXL1005BCPZ-RL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADXL1005BCPZ-RL?
ADXL1005BCPZ-RL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADXL1005BCPZ-RL 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 ADXL1005BCPZ-RL?
For technical support, including ADXL1005BCPZ-RL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADXL1005BCPZ-RL requirements.
6.How does Aetrix verify that ADXL1005BCPZ-RL is sourced from the original manufacturer or authorized distributors?
All ADXL1005BCPZ-RL 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 ADXL1005BCPZ-RL meets industry standards.
7.What is the process for return or replacement of ADXL1005BCPZ-RL?
All ADXL1005BCPZ-RL units undergo pre-shipment inspection (PSI). If there is an issue with ADXL1005BCPZ-RL, 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 ADXL1005BCPZ-RL part is unused and in its original packaging.
Return procedure for ADXL1005BCPZ-RL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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