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Analog Devices Inc. ADXL345TCCZ-EP-RL7
- Part No.:
- ADXL345TCCZ-EP-RL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Accelerometers
- Package:
- 14-VFLGA
- Datasheet:
-
ADXL345TCCZ-EP-RL7.pdf
- Description:
- ACCEL 2-16G I2C/SPI 14LGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,949
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Product details
Overview
ADXL345TCCZ-EP-RL7 from Analog Devices is a 3-axis digital MEMS accelerometer with user-selectable measurement ranges (±2/±4/±8/±16 g), 13-bit resolution at ±16 g, and ultralow power consumption (23 µA in measurement mode). It integrates activity/inactivity detection, single/double-tap sensing, free-fall monitoring, and a 32-sample FIFO-enabling motion-aware industrial and aerospace systems operating across −55°C to +105°C.
For engineers reviewing the ADXL345TCCZ-EP-RL7 datasheet, ADXL345TCCZ-EP-RL7 pinout, ADXL345TCCZ-EP-RL7 application, or ADXL345TCCZ-EP-RL7 equivalent, this page delivers verified specifications, validated interrupt mapping, temperature-stable offset/sensitivity data, and direct alternatives for extended-temperature inertial sensing designs.
Technical Context
The ADXL345TCCZ-EP-RL7 implements a capacitive MEMS sensor core with low-noise signal conditioning, 16-bit two's complement digital output, and dual-mode serial interface (SPI 3-/4-wire or I²C). Its power management dynamically scales current with output data rate (0.1–3200 Hz), enabling sub-µA standby and intelligent wake-on-motion operation.
Functional blocks include programmable threshold-based event detection (activity/inactivity, tap, free-fall), interrupt logic routing to INT1/INT2 pins, and a 32-level FIFO buffer that reduces host processor polling overhead. All sensing functions operate across the full −55°C to +105°C extended industrial temperature range with guaranteed performance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Measurement Range | User-selectable ±2/±4/±8/±16 g-supports both high-sensitivity tilt sensing and high-g shock detection in one device. |
| Resolution | 10–13 bit (configurable)-full 13-bit resolution at ±16 g yields 3.9 mg/LSB sensitivity for <1° inclination resolution. |
| Supply Voltage | 2.0 V to 3.6 V-compatible with 2.5 V and 3.3 V system rails; I/O voltage supports 1.7 V to VS for mixed-voltage interfacing. |
| Power Consumption | 23 µA at ODR ≥100 Hz, 0.1 µA in standby-enables multi-year battery life in remote condition-monitoring nodes. |
| Shock Survival | 10,000 g-survives mechanical stress during aerospace launch, industrial handling, or impact testing without damage. |
| Operating Temperature | −55°C to +105°C-qualified per AQEC standard for defense/aerospace use with controlled manufacturing baseline. |
| Interface | SPI (3- and 4-wire) and I²C-dual-protocol support simplifies integration into existing microcontroller or FPGA subsystems. |
Pinout & Package
ADXL345TCCZ-EP-RL7 uses a 3 mm × 5 mm × 1 mm, 14-terminal Land Grid Array (LGA) package (CC-14-1) with Au-over-Ni solder terminations. Pin 1 is located at top-left corner (see Figure 2); all GND pins (2,4,5) must be connected to ground plane for optimal noise immunity and thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD I/O (Pin 1) | Digital interface supply | Supplies I²C/SPI logic-must be decoupled with 0.1 µF capacitor; voltage range 1.7 V to VS. |
| VS (Pin 6) | Analog and core supply | Primary power input (2.0–3.6 V); requires 10 µF tantalum decoupling for stable MEMS biasing. |
| CS (Pin 7) | SPI chip select | Active-low enable for SPI 4-wire mode; pulled high internally-tie to VS if unused in I²C mode. |
| INT1 / INT2 (Pins 8, 9) | Configurable interrupt outputs | Open-drain outputs mapped to activity, tap, free-fall, or FIFO events-support pull-up to VDD I/O. |
| SDA/SDI/SDIO (Pin 13) | I²C data / SPI data I/O | Bi-directional serial data line-functions as SDA (I²C), SDI (SPI 4-wire), or SDIO (SPI 3-wire). |
| SDO/ALT ADDRESS (Pin 12) | SPI output / I²C address select | Provides SPI data out or sets LSB of I²C address (0x53 or 0x1D) when pulled high/low. |
| SCL/SCLK (Pin 14) | I²C clock / SPI clock | Serial clock input-SCL for I²C, SCLK for SPI; requires external pull-up to VDD I/O. |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow-power operation | 23 µA active current enables continuous motion monitoring in energy-constrained aerospace telemetry nodes. |
| 32-sample FIFO buffer | Reduces host polling frequency by up to 97%-critical for low-duty-cycle microcontrollers in battery-powered equipment. |
| Programmable event detection | Independent configuration of activity/inactivity thresholds, tap timing windows, and free-fall duration eliminates external logic. |
| Extended temperature qualification | −55°C to +105°C operation with documented offset drift (±0.4 mg/°C on X/Y, ±1.2 mg/°C on Z) ensures reliability in engine bays or space payloads. |
| Shock survivability | 10,000 g rating allows deployment in high-vibration environments like turbine monitoring or munitions guidance without mechanical isolation. |
Applications
| Industrial Condition Monitoring | Aerospace Inertial Reference |
|---|---|
Use Scenario: Vibration signature analysis on rotating machinery (pumps, compressors) in oil & gas refineries. IC Role / Device Role / Timing Role: Primary 3-axis acceleration sensor capturing broadband vibration spectra up to 1.6 kHz bandwidth. Use Value: 13-bit resolution and low 0.75 LSBrms noise on X/Y axes enable detection of early bearing faults below 0.1 g RMS. |
Use Scenario: Attitude stabilization and anomaly detection in unmanned aerial vehicles (UAVs) and satellite reaction wheels. IC Role / Device Role / Timing Role: Tilt and dynamic acceleration sensor feeding Kalman filter inputs for real-time orientation estimation. Use Value: Guaranteed −55°C to +105°C performance and 10,000 g shock survival ensure operational continuity during launch and atmospheric re-entry. |
| Defense Platform Health Management | Harsh-Environment Structural Testing |
Use Scenario: Shock and vibration logging on armored vehicle chassis during off-road mobility testing. IC Role / Device Role / Timing Role: Event-triggered data capture using free-fall and double-tap interrupts to record transient impacts. Use Value: 32-level FIFO stores pre-trigger samples-capturing 40 ms of context before a 100 Hz ODR event without host intervention. |
Use Scenario: Long-duration strain and settlement monitoring on bridges or wind turbine towers exposed to extreme weather. IC Role / Device Role / Timing Role: Low-power static acceleration monitor detecting millidegree inclination shifts over months. Use Value: 3.9 mg/LSB scale factor and <±150 mg zero-g offset error enable sub-1° tilt resolution across full temperature range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 3-axis MEMS accelerometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADXL355BEZ | Lower noise (20 µg/√Hz), wider bandwidth (6.2 kHz), but higher power (150 µA) and no FIFO or tap detection. | Better for precision seismic or structural health monitoring; lacks motion-event intelligence for battery-powered edge nodes. | Select ADXL345TCCZ-EP-RL7 when event-driven wake-up, FIFO buffering, and ultra-low power are required over raw noise performance. |
| LSM6DSOXTR | Integrated 3-axis gyroscope, higher ODR (6.6 kHz), but only −40°C to +85°C rating and no enhanced product qualification. | Suitable for consumer-grade IMUs; lacks AQEC compliance, extended temperature range, and shock survivability for defense/aerospace. | Select ADXL345TCCZ-EP-RL7 where military-grade environmental robustness, 10,000 g survival, and −55°C operation are mandatory. |
Compared with ADXL355BEZ and LSM6DSOXTR, the ADXL345TCCZ-EP-RL7 uniquely balances ultralow power (23 µA), integrated motion intelligence (tap/free-fall/FIFO), and AQEC-qualified extended temperature operation-making it irreplaceable for long-life, event-triggered inertial sensing in mission-critical platforms.
Availability
ADXL345TCCZ-EP-RL7 is available at Aetrix Electronics and suitable for industrial condition monitoring, aerospace inertial reference, defense platform health management, and harsh-environment structural testing requiring stable component supply across extended temperature and shock conditions.
Supply support for ADXL345TCCZ-EP-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 leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and defense markets since 1965.
The ADXL345-EP product line delivers enhanced reliability, extended temperature operation, and controlled manufacturing for defense and aerospace applications-designed specifically for mission-critical inertial sensing where standard commercial accelerometers fail.
FAQ
What is the operating temperature range of the ADXL345TCCZ-EP-RL7?
The ADXL345TCCZ-EP-RL7 operates across −55°C to +105°C, qualified per AQEC standards for defense and aerospace applications. This extended range is achieved through controlled fabrication and assembly sites, enhanced product change notification, and full characterization at temperature extremes-unlike commercial ADXL345 variants rated only to +85°C.
Does the ADXL345TCCZ-EP-RL7 support both I²C and SPI interfaces simultaneously?
No-the ADXL345TCCZ-EP-RL7 supports either I²C or SPI at a time, selected via hardware configuration. I²C mode is enabled when CS (Pin 7) is held high; SPI mode requires CS to be actively driven low. The SDO/ALT ADDRESS pin selects I²C address (0x53 or 0x1D), while SDA/SDI/SDIO and SCL/SCLK pins adapt functionally based on selected protocol.
How does the 32-sample FIFO in the ADXL345TCCZ-EP-RL7 reduce system power consumption?
The 32-sample FIFO in the ADXL345TCCZ-EP-RL7 allows the host microcontroller to enter deep sleep between bulk reads-reducing wake-up frequency by up to 32× compared to register-by-register polling. For example, at 100 Hz ODR, the host can read all 32 samples every 320 ms instead of waking every 10 ms, directly lowering average system current in battery-powered ADXL345TCCZ-EP-RL7 deployments.
What is the significance of the "EP" suffix in ADXL345TCCZ-EP-RL7?
The "EP" suffix denotes Enhanced Product-indicating the ADXL345TCCZ-EP-RL7 meets stringent requirements for defense and aerospace use: extended temperature range (−55°C to +105°C), controlled manufacturing baseline, single assembly/test/fabrication site, enhanced product change notification, and qualification data available on request. It is not a commercial-grade part.
Can the ADXL345TCCZ-EP-RL7 detect free-fall events reliably in high-vibration environments?
Yes-the ADXL345TCCZ-EP-RL7 implements dedicated free-fall detection logic with configurable duration and threshold, independent of activity/inactivity monitoring. Its 10,000 g shock survival and low-noise architecture (0.75 LSBrms) ensure reliable free-fall triggering even amid background vibration-validated across the full −55°C to +105°C range per ADXL345-EP Rev. B test data.
ADXL345TCCZ-EP-RL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 14-VFLGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Digital
- Axis:
- X, Y, Z
- Acceleration Range:
- ±2g, 4g, 8g, 16g
- Sensitivity (LSB/g):
- 256 (±2g) ~ 32 (±16g)
- Sensitivity (mV/g):
- -
- Bandwidth:
- 0.05Hz ~ 1.6kHz
- Output Type:
- I2C, SPI
- Voltage - Supply:
- 2V ~ 3.6V
- Features:
- Adjustable Bandwidth
- Operating Temperature:
- -55°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-LGA (3x5)
ADXL345TCCZ-EP-RL7 FAQ
1.How can I place an order for ADXL345TCCZ-EP-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADXL345TCCZ-EP-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 ADXL345TCCZ-EP-RL7 reliable?
The price and inventory of ADXL345TCCZ-EP-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADXL345TCCZ-EP-RL7 is usually 5 days.
3.What payment methods are accepted for ADXL345TCCZ-EP-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADXL345TCCZ-EP-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADXL345TCCZ-EP-RL7?
ADXL345TCCZ-EP-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADXL345TCCZ-EP-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 ADXL345TCCZ-EP-RL7?
For technical support, including ADXL345TCCZ-EP-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADXL345TCCZ-EP-RL7 requirements.
6.How does Aetrix verify that ADXL345TCCZ-EP-RL7 is sourced from the original manufacturer or authorized distributors?
All ADXL345TCCZ-EP-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 ADXL345TCCZ-EP-RL7 meets industry standards.
7.What is the process for return or replacement of ADXL345TCCZ-EP-RL7?
All ADXL345TCCZ-EP-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADXL345TCCZ-EP-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 ADXL345TCCZ-EP-RL7 part is unused and in its original packaging.
Return procedure for ADXL345TCCZ-EP-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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