Tri-Axis, 1.0g - 4g, Multiplexed Analog and Digital (SPI), 5x5x1.2mm DFN - KXR94-2050

The KXR94 is a high-performance, ultra-low noise, tri-axis accelerometer offering multiplexed analog or SPI digital communications, an integrated 4-channel multiplexer and a factory-programmable low-pass filter. The KXR94 offers a g-range of ±1g to ±4g and operates from a 2.5 V to 5.25 V DC supply, both factory-programmable. It is in a 5 x 5 x 1.2 mm, 14-pin, DFN package with an operating temperature range of -40°C to +85°C.


  • Integrated 4-channel multiplexer
  • Factory-programmable, internal low-pass filter
  • Factory-programmable ±1g to ±4g range
  • Supply voltage range: 2.5 V to 5.25 V
  • Current consumption: 5 µA in standby and 950 µA at full power
  • Multiplexed analog or SPI digital communication interface
  • A/D converter and auxiliary input to multiplexer
  • Embedded features
  • Self-test function
  • RoHS compliant


  • Our best-selling high performance part
  • Extremely low noise
  • Excellent performance over temperature
  • Successfully Utilized in Multiple Automotive and Consumer Applications

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) - 8-bit, 12-bit 5x5x1.2mm 14-pin DFN Multiplexed Analog No -40 85 3.3 0.8 - 1.25 mA


Part Number Buy Now Description Documentation
EVAL-KXR94-2050 Cart KXR94-2050 Evaluation Board Board Schematic
Board Layout

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.