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Analog Devices Inc. ADXL373BCCZ-RL
- Part No.:
- ADXL373BCCZ-RL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Accelerometers
- Package:
- 16-TFLGA
- Datasheet:
-
ADXL373BCCZ-RL.pdf
- Description:
- MICROPOWER THREE-AXIS 400G ACCEL
- Quantity:
- Payment:
- Shipping:
Inventory:2,058
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Product details
Overview
ADXL373BCCZ-RL from Analog Devices is a micropower, 3-axis ±400 g digital MEMS accelerometer with 12-bit output at 200 mg/LSB scale factor, 19 µA current draw at 2560 Hz ODR, and −40°C to +105°C operating range. It enables autonomous impact detection in battery-powered edge nodes for concussion monitoring and asset health assessment.
For engineers reviewing the ADXL373BCCZ-RL datasheet, ADXL373BCCZ-RL pinout, ADXL373BCCZ-RL application, or ADXL373BCCZ-RL equivalent, this page delivers verified technical context, real-world power trade-offs, interrupt-driven wake-up behavior, SPI/I²C interface timing, and validated alternative options for high-g shock sensing systems.
Technical Context
The ADXL373BCCZ-RL implements a polysilicon surface-micromachined capacitive sensing element with phase-sensitive demodulation, delivering true DC-coupled acceleration measurement. Its four-pole antialiasing filter supports user-selectable bandwidths from 160 Hz to 2560 Hz, independent of ODR, and includes an adjustable high-pass filter to suppress temperature-induced drift.
Three autonomous operating modes-Measurement (19 µA @ 2560 Hz), Instant On (1.4 µA), and Wake-Up (0.7 µA)-enable system-level power savings without front-end power cycling. Interrupt logic processes activity/inactivity, motion warning, and impact events internally, eliminating processor polling overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Measurement Range | ±400 g - supports shock detection in drop testing and impact event capture |
| Output Resolution | 12-bit - provides 5 LSB/g sensitivity with deterministic quantization step |
| Scale Factor | 200 mg/LSB - enables direct g-value conversion without runtime calibration |
| Supply Current | 19 µA @ 2560 Hz - allows multi-year operation on CR2032 coin cell in continuous mode |
| Bandwidth | 160–2560 Hz - configurable low-pass antialiasing filter prevents frequency folding in high-g transients |
| Operating Voltage | 1.6 V to 3.5 V - compatible with single-cell Li-ion, Li-SOCl₂, and alkaline battery systems |
| Temperature Range | −40°C to +105°C - qualified for industrial and automotive under-hood edge deployment |
| Interface | SPI up to 10 MHz / I²C up to 3.4 MHz - supports fast register access and burst FIFO reads |
Pinout & Package
ADXL373BCCZ-RL uses a 3.00 mm × 3.25 mm × 1.06 mm, 16-terminal LGA package (CC-16-4) with exposed pad for thermal management and mechanical stability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD I/O (Pin 1) | Digital I/O supply rail | Separate 1.6–3.5 V domain for SPI/I²C logic; decoupling required for noise immunity |
| SCLK (Pin 4) | SPI clock input | Accepts up to 10 MHz clock; timing critical for reliable multibyte transfers |
| MOSI/SDA (Pin 6) | SPI data in / I²C bidirectional data | Shared function pin; mode selected by CS/SCL configuration at power-up |
| MISO (Pin 7) | SPI data output | High-impedance when CS inactive; supports daisy-chaining in SPI bus topology |
| CS/SCL (Pin 8) | SPI chip select / I²C clock | Mode-determining pin: low = SPI, high = I²C; must be stable before communication |
| INT1 (Pin 11) | Interrupt 1 output / external clock input | Configurable as motion-triggered alert or sync source for synchronized sampling |
| INT2 (Pin 9) | Interrupt 2 output / trigger input | Supports dual-event detection (e.g., impact + inactivity) with independent mask registers |
| VS (Pin 14) | Analog sensor core supply | 1.6–3.5 V rail powering MEMS structure and signal chain; separate from VDD I/O |
| GND (Pins 12,13,16) | Ground reference | Three dedicated ground terminals reduce impedance and improve noise rejection |
| NIC (Pins 2,15) | Not internally connected | No internal connection; may be left floating or tied to GND for mechanical stability |
| RESERVED (Pins 3,5,10) | Uncommitted silicon | Must be left unconnected or grounded; no electrical function defined |
Key Features
| Feature | Design Value |
|---|---|
| Autonomous impact detection | Instant On mode wakes device in <11 ms to capture full-bandwidth transient events exceeding programmable threshold |
| Programmable high-pass filter | Adjustable −3 dB corner from 0.20 Hz to 24.4 Hz eliminates thermal drift and mounting stress offsets |
| FIFO with three operational modes | Stream (last N), Oldest Saved (first N), and Triggered modes enable context-aware event recording without host intervention |
| Dual interrupt outputs with configurable mapping | INT1 and INT2 support independent assignment to activity, inactivity, FIFO watermark, or impact events |
| Self-test capability | On-command electrostatic actuation verifies MEMS functionality and signal chain integrity without external stimulus |
| User offset trim registers | Per-axis 8-bit trims compensate for board-level mechanical misalignment and solder-induced stress |
Applications
| Concussion Detection | Industrial Asset Monitoring |
|---|---|
|
Use Scenario: Wearable headband or mouthguard capturing linear acceleration during contact sports or occupational falls. IC Role / Device Role / Timing Role: Primary high-g shock sensor triggering local event logging and wireless alert transmission. Use Value: 1.4 µA Instant On mode detects >100 g impacts with sub-11 ms latency, enabling reliable capture of short-duration trauma events. |
Use Scenario: Vibration and shock monitoring on rotating machinery, conveyor belts, or robotic arms in predictive maintenance systems. IC Role / Device Role / Timing Role: Edge-node accelerometer feeding time-domain waveform data to onboard FFT or anomaly detection algorithms. Use Value: 2560 Hz ODR with 12-bit resolution captures high-frequency bearing faults while 19 µA power draw extends battery life beyond 2 years. |
| Portable IoT Edge Node | Package Drop Testing |
|
Use Scenario: Battery-powered logistics tracker inside shipping containers or pallets to record handling shocks and orientation changes. IC Role / Device Role / Timing Role: Low-power motion supervisor that wakes host MCU only upon sustained movement or impact. Use Value: Wake-Up mode draws just 0.7 µA at slowest rate, enabling multi-month operation on a single CR2032 cell between shipments. |
Use Scenario: Embedded shock logger inside consumer electronics packaging to verify compliance with ISTA 3A drop test profiles. IC Role / Device Role / Timing Role: Standalone impact recorder capturing peak g-level, duration, and axis vector of each drop event. Use Value: ±400 g range and 23 kHz resonant frequency prevent clipping or aliasing during 1.5 m free-fall impacts onto concrete surfaces. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-g shock sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADXL362BCCZ-RL | Lower range (±200 g), higher noise floor (1.8 mg RMS), no Instant On mode; consumes 1.8 µA in standby | Better suited for low-g vibration analysis than high-g impact capture | Select ADXL362BCCZ-RL only if ±200 g range suffices and ultra-low standby current is prioritized over impact response speed |
| STMicroelectronics H3LIS331DLTR | ±100/±200/±400 g selectable range, but 200 µA typical at 1 kHz ODR; no autonomous wake-up modes | Requires continuous host polling; lacks FIFO and programmable filters | Choose H3LIS331DLTR only when legacy SPI compatibility is mandatory and system-level power budget permits active polling |
Compared with ADXL373BCCZ-RL, ADXL362BCCZ-RL trades impact responsiveness for lower standby power, while H3LIS331DLTR requires host intervention for event detection-making ADXL373BCCZ-RL uniquely suitable for autonomous, battery-constrained shock logging.
Availability
ADXL373BCCZ-RL is available at Aetrix Electronics and suitable for portable IoT edge nodes, industrial asset health monitoring, and concussion detection systems requiring stable component supply across long production lifecycles.
Supply support for ADXL373BCCZ-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 leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets since 1965.
The ADXL373BCCZ-RL belongs to Analog Devices' ultra-low-power MEMS accelerometer product line, engineered specifically for autonomous, battery-operated impact and shock detection in harsh environments.
FAQ
What is the minimum detectable impact threshold for ADXL373BCCZ-RL in Instant On mode?
The ADXL373BCCZ-RL supports programmable impact thresholds down to ±10 g in Instant On mode via its 8-bit X/Y/Z-axis impact threshold registers. At the lowest setting, it reliably detects impacts exceeding 10 g with <11 ms latency, enabling use in sensitive concussion screening applications where early-stage trauma must be captured without false positives from ambient vibration.
Does ADXL373BCCZ-RL require external components for basic operation?
Yes, ADXL373BCCZ-RL requires two 1.1 µF ceramic decoupling capacitors-one on VS and one on VDD I/O-as specified in the Applications Information section. These capacitors stabilize power rails and suppress switching noise; omission causes increased RMS noise and potential register corruption during SPI/I²C transactions.
Can ADXL373BCCZ-RL operate from a 1.8 V supply?
Yes, ADXL373BCCZ-RL operates across 1.6 V to 3.5 V, including 1.8 V. At 1.8 V, typical supply current remains 19 µA at 2560 Hz ODR, and I²C timing meets specification with VDD I/O = 1.8 V per Table 4. However, 0 g offset increases to ±14 g across the full voltage range, requiring calibration if absolute accuracy is critical.
How does the ADXL373BCCZ-RL FIFO support triggered event capture?
The ADXL373BCCZ-RL FIFO supports Triggered Mode, where data collection begins only after an interrupt condition (e.g., impact detection on INT1) occurs. This ensures memory stores only pre- and post-event context-up to 512 samples-with no wasted storage on idle periods, directly enabling efficient shock waveform analysis in resource-constrained edge devices.
Is ADXL373BCCZ-RL RoHS and REACH compliant?
Yes, ADXL373BCCZ-RL is RoHS-compliant (lead-free, halogen-free) and REACH-conformant per Analog Devices' official product change notifications and material declarations. The CC-16-4 package uses matte tin finish and meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL-3) requirements.
ADXL373BCCZ-RL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-TFLGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Digital
- Axis:
- X, Y, Z
- Acceleration Range:
- ±400g
- Sensitivity (LSB/g):
- 5
- Sensitivity (mV/g):
- -
- Bandwidth:
- 160Hz ~ 2.56kHz
- Output Type:
- I2C, SPI
- Voltage - Supply:
- 1.6V ~ 3.5V
- Features:
- Adjustable Bandwidth, Sleep Mode, Temperature Sensor
- Operating Temperature:
- -40°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-LGA (3x3.25)
ADXL373BCCZ-RL FAQ
1.How can I place an order for ADXL373BCCZ-RL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADXL373BCCZ-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 ADXL373BCCZ-RL reliable?
The price and inventory of ADXL373BCCZ-RL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADXL373BCCZ-RL is usually 5 days.
3.What payment methods are accepted for ADXL373BCCZ-RL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADXL373BCCZ-RL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADXL373BCCZ-RL?
ADXL373BCCZ-RL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADXL373BCCZ-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 ADXL373BCCZ-RL?
For technical support, including ADXL373BCCZ-RL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADXL373BCCZ-RL requirements.
6.How does Aetrix verify that ADXL373BCCZ-RL is sourced from the original manufacturer or authorized distributors?
All ADXL373BCCZ-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 ADXL373BCCZ-RL meets industry standards.
7.What is the process for return or replacement of ADXL373BCCZ-RL?
All ADXL373BCCZ-RL units undergo pre-shipment inspection (PSI). If there is an issue with ADXL373BCCZ-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 ADXL373BCCZ-RL part is unused and in its original packaging.
Return procedure for ADXL373BCCZ-RL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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