Tri-Axis, User Selectable ± 2g, 4g, 8g, Digital (I²C) Output, 3x3x0.9mm LGA - KXTJ9-1007

Designed for mobile applications, the KXTJ9 tri-axis accelerometer is an entry-level device that offers high-performance and low-power. It offers an internal voltage regulator, I²C digital communication, and up to 14-bit resolution. The KXTJ9 is delivered in a 3 x 3 x 0.9 mm, 10-pin, LGA package with an operating temperature range of -40°C to +85°C. This part is pin compatible with the KXTI9 and KXTF9.

Not Recommended for New Designs.


  • Low current consumption: 10 µA in standby, 10 µA at low resolution, and 325 µA at high resolution
  • Internal voltage regulator
  • Up to 14-bit resolution
  • Supply voltage range: 1.8 V to 3.6 V
  • ±2g, ±4g or ±8g user-selectable ranges
  • I2C digital communication interface
  • Embedded features
  • User-configurable wake-up function
  • Self-test function
  • RoHS compliant


  • Extremely low power plus embedded wake-up feature
  • Excellent stability
  • Internal Voltage regulator
  • Pin compatible with KXTI9 and KXTF9

Product Specifications

Axis G Range Sensitivity Noise (µg/√Hz) Resolution Package Size Pins Package Type Interface Output Wakeup Operating Temperature (Min.)[°C] Operating Temperature (Max.)[°C] Supply Voltage [V] Current Consumption
3 2g, 4g, 8g 64, 32, 16 (8-bit), 1024, 512, 256 (12-bit) - 8-bit, 12-bit, 14-bit 3x3x0.9mm 10-pin LGA Digital (I²C) Yes -40 85 1.8-3.6 10-135 μA


Part Number Buy Now Description Documentation
EVAL-KXTJ9-1007 Cart KXTJ9-1007 Evaluation Board Board Layout
Board Schematic

Developer Tools

Buy Now Description
USBDEVKIT Cart This Kit is composed of a Kionix Evaluation Board on which is soldered a customer-specified 3.3V Kionix accelerometer product, a Silicon Labs C8051F340DK that provides the microprocessor control and USB interface, and a Kionix F340 Adapter Board that provides the link between the Kionix Evaluation Board and the microprocessor.