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Analog Devices Inc. ADXL1001BCPZ-RL7
- Part No.:
- ADXL1001BCPZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Accelerometers
- Package:
- 32-FQFN Exposed Pad, CSP
- Datasheet:
-
ADXL1001BCPZ-RL7.pdf
- Description:
- ACCEL 100G ANALOG 32LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:905
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Product details
Overview
ADXL1001BCPZ-RL7 from Analog Devices is a single-axis, high-frequency MEMS accelerometer with analog output, optimized for industrial condition monitoring. It delivers ±100 g measurement range, 30 µg/√Hz noise density, and linear frequency response from DC to 11 kHz (3 dB), enabling precise vibration analysis of rotating machinery bearings and HVAC equipment.
For engineers reviewing the ADXL1001BCPZ-RL7 datasheet, ADXL1001BCPZ-RL7 pinout, ADXL1001BCPZ-RL7 application, or ADXL1001BCPZ-RL7 equivalent, key selection criteria include ultralow noise performance at high bandwidth, ratiometric analog output scaling, overrange detection capability, and operation across −40°C to +125°C in harsh environments.
Technical Context
The ADXL1001BCPZ-RL7 integrates a polysilicon surface-micromachined proof mass suspended by springs, with differential capacitive sensing and phase-sensitive demodulation to produce a voltage output proportional to acceleration. Its sensor resonant frequency is 21 kHz, and its small-signal amplifier bandwidth extends to 70 kHz - supporting signal acquisition beyond the 11 kHz 3 dB point when properly filtered.
It operates in two modes: continuous measurement mode (1.0 mA typical supply current) and standby mode (225 µA typical), with <50 µs recovery time. The ratiometric output (VOUT = VDD/2 at 0 g, sensitivity = 20 mV/g × VDD/5 V) requires matched supply/reference handling in downstream ADC systems to preserve accuracy.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Measurement Range | ±100 g - supports high-vibration environments like compressors, pumps, and gearboxes without saturation. |
| Noise Density | 30 µg/√Hz (100 Hz–10 kHz) - enables resolution of sub-millig-level vibration signatures critical for early bearing fault detection. |
| Frequency Response | DC to 11 kHz (3 dB) - captures harmonics and sidebands from high-speed rotating components up to ~660 krpm. |
| Sensitivity | 20 mV/g (ratiometric to VDD) - scales linearly with supply voltage, simplifying calibration when VDD is stable and shared with ADC reference. |
| Zero-g Output | VDD/2 (±5 g over −40°C to +125°C) - provides mid-rail bias for single-supply signal chains and reduces dynamic range loss in digitization. |
| Overrange Detection | OR pin asserts for >200 g events - enables real-time system protection and event-triggered data capture without external logic. |
| Power Consumption | 1.0 mA (measure), 225 µA (standby) - allows battery-powered wireless sensor nodes with fast wake-up (<50 µs) for duty-cycled monitoring. |
Pinout & Package
ADXL1001BCPZ-RL7 is housed in a 5 mm × 5 mm × 1.80 mm LFCSP package with exposed EPAD for thermal and electrical grounding. Pin count is 33, with functional terminals limited to VDD, VSS, VOUT, STANDBY, ST, OR, and EPAD; all others are NIC or DNC per datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Supply input | 3.0 V to 5.25 V single supply; powers internal circuitry and sets ratiometric scaling for VOUT and zero-g offset. |
| VSS | Ground reference | Common return for supply, output, and self-test logic; must be low-impedance and tied to EPAD. |
| VOUT | Analog output | Ratiometric voltage (0 g = VDD/2); drives loads ≤20 MΩ resistive or ≤100 pF capacitive directly; >100 pF requires ≥8 kΩ series resistor. |
| STANDBY | Digital control input | Active-high signal; places device in low-power standby (225 µA) with <50 µs wake-up to full measurement mode. |
| ST | Digital control input | Active-high self-test trigger; electrostatically actuates proof mass to verify full mechanical and electrical path integrity. |
| OR | Digital output | Open-drain overrange flag; pulses low when acceleration exceeds ~200 g, indicating potential mechanical stress or fault event. |
| EPAD | Thermal/electrical pad | Exposed copper pad on bottom; must be soldered to solid ground plane for thermal dissipation and noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow noise density | 30 µg/√Hz enables detection of micro-vibration anomalies before macro-failure in predictive maintenance systems. |
| Complete electromechanical self-test | On-demand ST pin activation verifies sensor mass movement, capacitive transduction, and signal chain integrity - no external stimulus required. |
| Ratiometric output architecture | VOUT scaling and zero-g offset both track VDD, eliminating supply-induced gain/offset drift when ADC shares same reference. |
| Overrange sensing with fast recovery | OR pin alerts on >2× full-scale events while internally disabling clock for 200 µs - protects sensor and preserves post-event measurement validity. |
| High-temperature operation | Rated −40°C to +125°C ambient enables direct mounting on motors, gearboxes, and turbine housings without derating. |
Applications
| Condition Monitoring | Predictive Maintenance |
|---|---|
Use Scenario: Mounted on motor housings or pump casings to continuously monitor vibration spectra during operation. IC Role / Device Role / Timing Role: Single-axis analog vibration sensor capturing broadband acceleration waveforms for FFT-based spectral analysis. Use Value: 11 kHz bandwidth and 30 µg/√Hz noise allow identification of incipient bearing faults (e.g., cage defects, spall initiation) 3–6 months before failure. | Use Scenario: Integrated into wireless edge nodes deployed on factory floor assets with scheduled data upload intervals. IC Role / Device Role / Timing Role: Low-power analog front-end providing high-fidelity acceleration data for cloud-based health scoring algorithms. Use Value: Standby mode (225 µA) and <50 µs wake-up enable multi-year battery life while preserving responsiveness to transient fault events. |
| Asset Health Management | Test & Measurement Systems |
Use Scenario: Embedded in industrial IoT gateways collecting synchronized multi-sensor data from rotating equipment fleets. IC Role / Device Role / Timing Role: High-stability analog sensor with ±5% sensitivity drift over temperature, reducing need for per-unit calibration. Use Value: ±0.1% linearity and ±1% cross-axis sensitivity ensure accurate amplitude and phase tracking across operating conditions for health index derivation. | Use Scenario: Used in calibrated lab-grade vibration analyzers for certification testing of aerospace actuators and precision machinery. IC Role / Device Role / Timing Role: Reference-grade analog transducer with traceable metrology performance (20 mV/g sensitivity, 21 kHz resonance). Use Value: 10,000 g shock survivability and stable sensitivity under external shocks ensure measurement continuity after transport or mechanical jolts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-frequency analog-output accelerometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADXL1002BCPZ-RL7 | ±50 g range, 25 µg/√Hz noise density, 40 mV/g sensitivity - lower full-scale but better noise floor. | Better suited for lower-amplitude vibration monitoring (e.g., servo motors, fan blades) where resolution outweighs range. | Select ADXL1002BCPZ-RL7 when target vibration amplitudes stay below ±50 g and sub-25 µg/√Hz noise is critical. |
| PCB 352C33 | IEPE piezoelectric accelerometer, 10 mV/g sensitivity, 5 pC/g charge output, requires constant-current source. | Higher cost, needs external signal conditioner; superior high-frequency SNR above 15 kHz but not MEMS-integrated. | Choose PCB 352C33 only when >15 kHz measurement or extreme environmental ruggedness (e.g., jet engine testing) justifies added complexity and cost. |
Compared with ADXL1001BCPZ-RL7, ADXL1002BCPZ-RL7 trades range for lower noise and higher sensitivity, while PCB 352C33 offers higher bandwidth and charge-mode robustness at the expense of integration and power simplicity - making ADXL1001BCPZ-RL7 optimal for embedded, wide-range, low-power industrial monitoring.
Availability
ADXL1001BCPZ-RL7 is available at Aetrix Electronics and suitable for condition monitoring, predictive maintenance, and test & measurement applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for ADXL1001BCPZ-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 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 family is designed specifically for industrial machine health monitoring, delivering MEMS-based analog accelerometers with extended bandwidth, ultralow noise, and integrated diagnostics for reliable deployment in harsh environments.
FAQ
What is the full-scale measurement range of the ADXL1001BCPZ-RL7?
The ADXL1001BCPZ-RL7 has a full-scale measurement range of ±100 g. This range is fixed and specified per the ADXL1001 variant (as opposed to the ±50 g ADXL1002). It maintains linearity within ±0.1% of full scale and supports operation up to 10,000 g shock survivability when powered or unpowered. The ADXL1001BCPZ-RL7 achieves this range while sustaining 30 µg/√Hz noise density across its usable bandwidth.
How does the ratiometric output of the ADXL1001BCPZ-RL7 affect system design?
The ADXL1001BCPZ-RL7 output voltage is ratiometric to VDD: zero-g output is VDD/2, and sensitivity is 20 mV/g × (VDD/5 V). This means supply voltage variation directly affects both offset and gain. To preserve accuracy, the downstream ADC should use the same VDD as its reference voltage - canceling supply-induced errors. If separate references are used, regulator tolerance and drift become dominant error sources in the ADXL1001BCPZ-RL7 signal chain.
Can the ADXL1001BCPZ-RL7 be used beyond its 11 kHz 3 dB bandwidth?
Yes, the ADXL1001BCPZ-RL7's output amplifier supports a 70 kHz small-signal bandwidth, and its sensor resonant frequency is 21 kHz. However, operation beyond 11 kHz introduces nonlinearity near resonance, increased noise, and 200 kHz clock coupling artifacts. Reliable extended-bandwidth use requires aggressive external anti-alias filtering (e.g., multi-pole low-pass) and ≥220 kHz sampling to suppress aliasing - making it feasible but design-intensive. The ADXL1001BCPZ-RL7 is optimized for best performance up to 11 kHz.
What is the purpose and behavior of the OR (Overrange) pin on the ADXL1001BCPZ-RL7?
The OR pin on the ADXL1001BCPZ-RL7 is an open-drain output that asserts low when acceleration exceeds approximately 200 g (twice full scale). It is not latched and pulses synchronously with overrange events. Internally, the sensor disables its 200 kHz clock for 200 µs during each detection to protect the MEMS structure. For sustained overrange, OR pulses every ~500 µs. This feature enables real-time fault detection and system-level response without external comparators - a core diagnostic capability of the ADXL1001BCPZ-RL7.
Does the ADXL1001BCPZ-RL7 require external components for basic operation?
Yes - minimal external components are required for stable operation of the ADXL1001BCPZ-RL7. A 1 µF ceramic capacitor is recommended between VDD and VSS for supply decoupling. For driving capacitive loads >100 pF, a ≥8 kΩ series resistor must be placed in series with VOUT. No external components are needed for ST, STANDBY, or OR pins beyond pull-down resistors if left unasserted. The EPAD must be soldered to a solid ground plane. These requirements are defined in the ADXL1001BCPZ-RL7 datasheet and application circuits.
ADXL1001BCPZ-RL7 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:
- 21kHz
- Output Type:
- Analog Voltage
- Voltage - Supply:
- 3.3V ~ 5.25V
- Features:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-LFCSP (5x5)
ADXL1001BCPZ-RL7 FAQ
1.How can I place an order for ADXL1001BCPZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADXL1001BCPZ-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 ADXL1001BCPZ-RL7 reliable?
The price and inventory of ADXL1001BCPZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADXL1001BCPZ-RL7 is usually 5 days.
3.What payment methods are accepted for ADXL1001BCPZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADXL1001BCPZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADXL1001BCPZ-RL7?
ADXL1001BCPZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADXL1001BCPZ-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 ADXL1001BCPZ-RL7?
For technical support, including ADXL1001BCPZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADXL1001BCPZ-RL7 requirements.
6.How does Aetrix verify that ADXL1001BCPZ-RL7 is sourced from the original manufacturer or authorized distributors?
All ADXL1001BCPZ-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 ADXL1001BCPZ-RL7 meets industry standards.
7.What is the process for return or replacement of ADXL1001BCPZ-RL7?
All ADXL1001BCPZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADXL1001BCPZ-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 ADXL1001BCPZ-RL7 part is unused and in its original packaging.
Return procedure for ADXL1001BCPZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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