RedRock™ RR121 Series TMR Digital Sensor

The RedRock™ RR121 Series is a magnetic sensor with digital logic output ideal for use in medical, industrial, automotive, and consumer applications. Based on patented Tunneling Magnetoresistance (TMR) technology with seamless CMOS integration, the RR121 offers multiple configurations of several parameters to enable applications like proximity sensing, rotary sensing, and level detection.

The RR121 features available operate sensitivities from 9 G (0.9 mT) to 30 G (3 mT), and either omnipolar, unipolar, or bipolar magnetic field response. It has the world’s lowest average current drain
(200 nA) for an active magnetic sensor, as well as operating
frequencies up to 10 kHz and high operating temperature ranges from -40°C up to 125°C.

RR121 TMR Digital Sensor Series Features

  • Operate sensitivity from 9 G to 30 G
  • Lowest Average Current < 200 nA
  • Omnipolar and Bipolar Latching Responses Available
  • Operating Frequencies up to 10 kHz
  • Temperature Rated up to 125°C
  • RoHS & REACH Compliant

Applications

  • Proximity Detection
  • Rotary Sensing
  • Fluid Level Detection
  • Door & Lid Closure Detection
  • Utility Meters
  • Portable Medical Devices
  • Motor Controllers
  • Consumer Electronics
  • Wake-Up uProcessor
RedRock TMR 121 Digital Sensor

RR121 TMR Digital Sensor SERIES DIMENSION

In Millimeters (Inches)
  • RedRock 121 TMR LGA-4 & SOT-23 Packages
  • RedRock 121 TMR Selection Table

RR121 TMR Digital Sensor SERIES TECHNICAL INFORMATION