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ADXL345BCCZ

3-axis 16-bit digital accelerometer, +/-16g, 40uA, SPI/I2C, LGA-14

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Manufacturer Part：

ADXL345BCCZ

Package：

LGA-14 (3x5x1mm)

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Description

Product Overview

The ADXL345BCCZ from Analog Devices is a 3-axis digital accelerometer with 16-bit resolution and programmable measurement ranges up to +/-16g. It features ultra-low power (40uA in measurement mode) and communicates via SPI or I2C, packaged in a 14-lead LGA (3x5x1mm).

Key Specifications

Axes 3 (X, Y, Z)
Range +/-2g, +/-4g, +/-8g, +/-16g (programmable)
Resolution 16-bit (13-bit in +/-16g mode)
Interface SPI (5MHz) + I2C (400kHz)
Supply Voltage 2.0V to 3.6V
Current (measurement) 40uA (typ at 100Hz ODR)
Current (standby) 0.1uA
Built-in Functions Activity/inactivity, tap, free-fall
Package LGA-14 (3x5x1mm)
Operating Temperature -40 to +85 C

Features

  • 3-axis accelerometer with 16-bit resolution
  • Ultra-low power: 40uA at 100Hz ODR
  • Dual interface: SPI and I2C
  • 32-level FIFO buffer
  • Built-in motion detection: tap, activity, free-fall
  • Interrupt mapping to INT1 or INT2 pins

Applications

  • Mobile device screen orientation
  • Gaming and virtual reality
  • Hard drive free-fall protection
  • Medical and sports instrumentation

The ADXL345BCCZ from Analog Devices is a small, thin, low-power 3-axis accelerometer with high-resolution (16-bit) measurement at up to +/-16g. Digital output data is formatted as 16-bit twos complement and is accessible through SPI or I2C digital interfaces. The ADXL345 is well-suited for mobile device applications, measuring static acceleration of gravity in tilt-sensing applications as well as dynamic acceleration resulting from motion or shock. Its high resolution enables measurement of inclination changes less than 1.0 degree. Built-in motion detection features include activity/inactivity sensing, tap/double-tap detection, and free-fall detection, all of which can be mapped to either of two interrupt pins.

The ADXL345 uses a polysilicon surface-micromachined sensor structure built on top of a silicon wafer. The sensor structure consists of a proof mass suspended by polysilicon springs. Acceleration causes the proof mass to deflect, changing the capacitance between the proof mass and fixed electrodes. The change in capacitance is measured by an on-chip ASIC that converts it to a proportional voltage, digitized by a 16-bit ADC. The digital filter provides bandwidth selection from 0.1Hz to 1600Hz. The built-in FIFO stores up to 32 samples, reducing host processor interrupt overhead. The activity/inactivity, tap, and free-fall detection functions are computed by comparing acceleration data against programmable thresholds.

Pin Name Function
1 VDD I/O Digital I/O supply voltage
2 GND Ground
3 RES Reserved (connect to VS or GND)
4 INT1 Interrupt 1 output
5 INT2 Interrupt 2 output
6 NC Not connected
7 CS SPI chip select / I2C address select
8 SDO/ALT SPI data out / I2C address select
9 SDA/SDI I2C data / SPI data in
10 SCL/SCLK I2C clock / SPI clock
11-12 GND Ground
13 VS Analog supply voltage (2.0-3.6V)
14 NC Not connected
  • Mobile phone screen orientation detection with ultra-low 40uA current
  • Hard drive free-fall protection with built-in detection algorithm
  • Wearable sports and fitness devices with tap detection for user interface
  • Gaming controllers with 16-bit resolution for precise motion tracking
Model Manufacturer Key Difference
ADXL362 ADI Ultra-low power (300nA), 12-bit
LIS3DH ST Lower cost, 12-bit, very popular
BMA250 Bosch 10-bit, lower power
MMA8452Q NXP 12-bit, 800Hz ODR
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

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Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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