Coto RR121-2A32-364

Coto RR121-2A32-364
The RedRock™ RR121-2A32-364 is a magnetic sensor with digital logic output from Coto. It features available operate sensitivity of 9G with an unipolar magnetic field response all with a supply voltage of 3Vdd(typical), an average supply current drain of 0.28µA, as well as a high operating temperature from −40°C up to +85°C. The RedRock™ RR121 series is ideal for use in medical, industrial, automotive, and consumer applications. Based on patented Tunneling Magnetoresistance (TMR) technology with seamless CMOS integration, the RR121 series offers multiple configurations of several parameters to enable applications like proximity sensing, rotary sensing and level detection.
  • Magnetic sensor with digital logic output
  • Operate sensitivity of 9G (typically)
  • Release sensitivity of 5G (typically)
  • Hysteresis (BHYST) 4 (typically)
  • Frequency of 20Hz
  • Temperature range of -40° to +85°
  • Average supply current (Iavg) 0.28µA
  • Supply voltage 3Vdd (typically)
  • Leaded LGA-4 package
  • Unipolar magnetic polarity response
  • RoHS and REACH compliant

Based on patented Tunnelling Magnetoresistance (TMR) technology with seamless CMOS integration, the RR121 series offers multiple configurations or several parameters to enable applications like:

  • Proximity detection
  • Rotary sensing
  • Motor controllers
  • Fluid level detection
  • Utility meters
  • Consumer electronics
  • Door and lid closure detection
  • Portable Medical Devices
  • Wake-up µprocessor

The below table gives the full specifications of the Coto RR121-2A32-364 magnetic sensor:

Coto RR121-2A32-364 Specifications 1. Unless otherwise specified, Vdd =2.7V to 3.6V, TA = −40°C to +125°C. Typical values are Vdd = 3V and TA = +25°C.
2. Conditions: t = 10 seconds.
3. Conditions: BHYST = BOP-BRP.

Specifications
Additional Features
  • Magnetic sensor with digital logic output
  • Frequency 20Hz
  • Supply voltage range between +2.7Vdd to +3.6Vdd
  • Output response - Dual Active Low
  • LGA-4 package
  • Unipolar magnetic polarity response
  • RoHS and REACH Compliant
Average Supply Current
  • 0.28µA
Hysteresis
  • Typically 4G (BHYST)
Operate Sensitivity
  • 9G (typically)
Operating Temperature
  • −40°C to +85°C
Release Sensitivity
  • 5G (typically)

We are pleased to provide you with a range of additional content including videos, product datasheets, case studies, white papers and application notes for your reference. Please see below for the latest content available:

 

 

DOCUMENTATION
PDF DocumentCoto RedRock™ RR121 TMR sensor series datasheet
PDF DocumentCoto Technology sensors and switches product sheet
PDF DocumentCoto RedRock™ TMR magnetic sensor product catalogue
PDF DocumentCoto Technology reed relay and reed switch selector charts
PDF DocumentCotoMOS® MOSFET relay selector chart
White Papers
PDF DocumentTesting reed relays and reed switches for reliability white paper
PDF DocumentLife expectancy for reed relays in high temperature environments white paper
Application Notes - TMR Sensors
PDF DocumentThe importance of magnet protection within harsh environments application note
PDF DocumentInterfacing the Coto Technology RedRock™ RR110 to an ADC using a low power analog interface circuit application note
PDF DocumentReady for take-off using the RedRock™ RR130 in wildlife tracking devices application note
PDF DocumentSize matters in capsule endoscopy application note
PDF DocumentThe evolution of magnetic sensing technology: from hall effect to tunneling magnetoresistance (TMR) application note
PDF DocumentUsing RedRock™ TMR magnetic sesnors RR121 for speed and direction estimation in rotating systems application note
PDF DocumentImproving a simple 3-wire level sensor assembly by using the RedRock™ RR131 TMR digital switch application note
PDF DocumentModernising security systems with TMR for higher reliability, wider sensing range and long battery life application note
PDF DocumentHow to replace a 2-wire reed switch with a 3-wire sensor application note
Application Notes - CotoMOS® MOSFETs
PDF DocumentCotoMOS® technical and applications information application note
PDF DocumentApplications of small signal relays in photovoltaic inverters application note
PDF DocumentIncreasing the ampacity of the CotoMOS® CS128 opto-isolated SSR by parallel operation application note
PDF DocumentOutput muting in headphone amlifiers and portable speakers with negligible hermonic distortion using CotoMOS® relays application note
PDF DocumentDual-rail battery switching using CotoMOS® relays in portable headphone amplifiers and portable powered speakers application note
PDF DocumentRR110 ultra low power 'wake up' application note
PDF DocumentHow to increase your current capacity of 6-pin CotoMOS® solid state MOSFET relays by up to 100% application note
Application Notes - Classic Reed Relays
PDF DocumentReed relays technical and application information application note
PDF DocumentApplications of small signal relays in photovoltaic inverters application note
PDF DocumentIf it ain't broke fix it application note
PDF DocumentLeadform follows function in RF reed relay design application note
PDF DocumentThe heat is on when you test at 125°C (2970 Series) application note
PDF DocumentOptimising cable tester switching architecture using the Coto Technology 9104-0022 high voltage reed relay application note
PDF DocumentBest practices for applying Coto Technology's 9852 Form C reed relay application note
PDF DocumentCoto Technology's 9814 reed relay application note
Application Notes - Classic Reed Switches
PDF DocumentReed switches technical and applications information application note
PDF DocumentReliable reed switching best practices for normally closed applications application note
PDF DocumentNobody said designing utility meters was easy application note
PDF DocumentRules of attraction for reliable reed switch-magnet applications application note
PDF DocumentLiquid level sensing using reed switch technology application note
PDF DocumentLiquid level sensing using reed switch technology application note (detailed)
PDF DocumentThe importance of magnet protection within harsh environments application note
PDF DocumentReed switch life characteristics under different levels of capacitive loading application note
PDF DocumentCoto DYAD switch contact style application note
PDF DocumentCT10-G4's rugged lead-frame design is a feature and a benefit application note

 

 

 

VIDEOS
Coto Technology Gen 2.0 TMR sensors demo board overview

Coto Technology Applications Engineer, Tony Parakka, provides a peek at Coto’s newest 2.0 Generation demo board featuring RedRock™ TMR magnetic sensor products: RR111 (Analog Output); RR120 (Digital Unipolar Sensor); RR121 (Bipolar Digital Latching) and RR121 (Digital Omnipolar). This video serves as a basic overview of the different products.
VIDEOS
Engineering Discussion: TMR analog output sensor RR111

Coto Technology Applications Engineer, Tony Parakka, provides a peek at Coto’s newest 2.0 Generation demo board featuring RedRock™ TMR magnetic sensor products: RR111 (Analog Output); RR120 (Digital Unipolar Sensor); RR121 (Bipolar Digital Latching) and RR121 (Digital Omnipolar). This video serves as a basic overview of the different products.
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  • Product Code: Coto RR121-2A32-364
  • SKU: Coto RR121-2A32-364
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Tags: Coto RR121-2A32-364, RR1212A32364, rr1212a32364