Tri-Axis, 1.5g - 6g, Ultra Low Noise Digital (SPI) and Multiplexed Analog, 3x5x0.9mm LGA - KXRB5-2050

The KXRB5 is a high-performance, low-power tri-axis accelerometer offering multiplexed analog or SPI digital communications, an integrated 4-channel multiplexer and embedded freefall and high-g drop detection algorithms. The KXRB5 offers a factory-programmable g-range of ±1.5g to ±6g and is delivered in a 3 x 5 x 0.9 mm, 14-pin, LGA package with an operating temperature range of -40°C to +85°C. The KXRB5 operates from a 2.5 V to 5.25 V DC supply (factory-programmable).


  • Integrated 4-channel multiplexer
  • Factory-programmable, internal low-pass filter
  • Factory-programmable ±1.5g to ±6g range
  • Supply voltage range: 2.5 V to 5.25 V
  • Multiplexed analog or SPI digital communication interface
  • A/D converter and auxiliary input to multiplexer
  • Embedded features
  • Self-test function
  • RoHS compliant


  • Ultra low noise; well suited for precise tilt applications
  • Analog or Digital
  • Excellent performance over temperature

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 660, (mV/g) 45 - 3x5x0.9mm 14-pin LGA Multiplexed Analog No -40 85 3.3 300-700 μA


EVAL-KXRB5-2050 Cart KXRB5-2050 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.