SOT-23-3 REDROCK RR121 SERIES TMR DIGITAL PUSH-PULL MAGNETIC SENSOR 1 Description 2 Features u Operate sensitivity from 9 G to 70 G The RedRock RR121 Series is a magnetic sensor with digital push- u Lowest Average Current < 200 nA pull output ideal for use in medical, industrial, automotive, and con- u Omnipolar, Unipolar and Bipolar Latching Responses Available sumer applications. Based on patented Tunneling Magnetoresistance u Operating Frequencies up to 10 kHz (TMR) technology with seamless CMOS integration, the RR121 offers u Temperature Rated up to 125C multiple configurations of several parameters to enable applications u RoHS & REACH Compliant like proximity sensing, rotary sensing, and level detection. 3 Applications The RR121 features available operate sensitivities from 9 G (0.9 mT) to 70 G (7 mT), and either omnipolar, unipolar, or bipolar magnetic field u Proximity Detection response. It has the worlds lowest average current drain u Rotary Sensing (200 nA) for an active magnetic sensor, as well as operating u Fluid Level Detection frequencies up to 10 kHz and high operating temperature ranges u Door & Lid Closure Detection from -40C up to 125C. u Utility Meters u Portable Medical Devices Device Information u Motor Controllers u Consumer Electronics Part Series Package Body Size (mm) u Wake-Up mProcessor SOT-23-3 2.9 x 1.6 x 1.2 RR121 LGA-4 1.4 x 1.4 x 0.45 Leaded LGA-4 1.4 x 1.4 x 0.45 Please note: This Product Series is approaching end of life and Device Packages is NOT recommended for new designs. For new designs, please consult the end of life announcement which specifies recommended new RedRock series replacements. Functional Block Diagram V DD CURRENT DUTY CYCLE SOURCE CONTROL TMR DIGITAL OUTPUT B /B op rp SENSOR LOGIC & PUSH-PULL Comparators LATCH VREF OUTPUT GND (401) 943-2686 redrock cotorelay.com www.cotorelay.com Copyright 2020. All rights reserved. rev.07072020 page 1 Leaded LGA-4 LGA-4 REDROCK RR121 SERIES TMR DIGITAL PUSH-PULL MAGNETIC SENSOR Table of Contents 1. Description ............................................................................................................................. 1 2. Features ............................................................................................................................... 1 3. Applications ............................................................................................................................. 1 4. Specifications for all RR121 Series Sensors ................................................................................................. 4 4.1 Absolute Environmental Ratings for all RR121 Series Sensors ...................................................................... 4 4.2 Absolute Electrical Ratings for all RR121 Series Sensors ........................................................................... 4 4.3 Operating Electrical Characteristics for all RR121 Series Sensors .................................................................. 4 5. Operating Characteristics for RR121-1B13-311 and RR121-1B13-312 ......................................................................... 5 6. Operating Characteristics for RR121-1A23-311 ............................................................................................. 5 7. Operating Characteristics for RR121-1F23-311 - OBSOLETE ................................................................................ 6 8. Operating Characteristics for RR121-1B53-311 ............................................................................................. 6 9. Operating Characteristics for RR121-1A53-311 ............................................................................................. 7 10. Operating Characteristics for RR121-1E73-311 ............................................................................................ 7 11. Operating Characteristics for RR121-1B93-312 ............................................................................................ 7 12. Operating Characteristics for RR121-2A32-364 ........................................................................................... 8 13. Operating Characteristics for RR121-3C63-311 ............................................................................................ 8 14. Operating Characteristics for RR121-3C73-311 ............................................................................................ 8 15. Operate & Release Lobe Plots ............................................................................................................ 9 15.1 RR121-1B13-311 ................................................................................................................. 9 15.2 RR121-1B13-312 ................................................................................................................. 9 15.3 RR121-1A23-311 ................................................................................................................. 9 15.4 RR121-1B53-311 ................................................................................................................. 9 16. Graphs - Typical Electrical Characteristics .............................................................................................. 10 16.1 RR121-1B13-311 & RR121-1B13-312 Average Supply Current vs Supply Voltage vs Temperature ................................... 10 16.2 RR121-1B13-311 & RR121-1B13-312 Average Supply Current vs Temperature vs Supply Voltage ................................... 10 16.3 RR121-1B13-311 & RR121-1B13-312 Sampling Frequency vs Supply Voltage vs Temperature ...................................... 10 16.4 RR121-1B13-311 & RR121-1B13-312 B (Blue) and B (Red) vs Supply Voltage at +25C .......................................... 11 OPN OPS 16.5 RR121-1B13-311 & RR121-1B13-312 B (Blue) and B (Red) vs Supply Voltage at +25C ........................................... 11 RPN RPS 16.6 RR121-1B13-311 & RR121-1B13-312 B (Blue) and B (Red) vs Operating Temperature at V =3.0 V ............................... 11 OPN OPS DD 16.7 RR121-1B13-311 & RR121-1B13-312 B (Blue) and B (Red) vs Operating Temperature at V =3.0 V ............................... 11 RPN RPS DD 16.8 RR121-1A23-311 Average Supply Current vs Supply Voltage vs Temperature .................................................... 12 16.9 RR121-1A23-311 Average Supply Current vs Temperature vs Supply Voltage .................................................... 12 16.10 RR121-1A23-311 Sampling Frequency vs Supply Voltage vs Temperature ........................................................ 12 16.11 RR121-1A23-311 B (Blue) and B (Red) vs Supply Voltage at +25C .......................................................... 13 OPN OPS 16.12 RR121-1A23-311 B (Blue) and B (Red) vs Supply Voltage at +25C ........................................................... 13 RPN RPS 16.13 RR121-1A23-311 B (Blue) and B (Red) vs Operating Temperature at V =3.0 V ............................................... 13 OPN OPS DD 16.14 RR121-1A23-311 B (Blue) and B (Red) vs Operating Temperature at V =3.0 V ............................................... 13 RPN RPS DD 16.15 RR121-1B53-311 & RR121-1A53-311 Average Supply Current vs Supply Voltage vs Temperature ................................... 14 16.16 RR121-1B53-311 & RR121-1A53-311 Average Supply Current vs Temperature vs Supply Voltage ................................... 14 16.17 RR121-1B53-311 & RR121-1A53-311 Sampling Frequency vs Supply Voltage vs Temperature ...................................... 14 16.18 RR121-1B53-311 B (Blue) and B (Red) vs Supply Voltage at +25C .......................................................... 15 OPN OPS 16.19 RR121-1B53-311 B (Blue) and B (Red) vs Supply Voltage at +25C ........................................................... 15 RPN RPS 16.20 RR121-1B53-311 B (Blue) and B (Red) vs Operating Temperature at V =3.0 V ............................................... 15 OPN OPS DD 16.21 RR121-1B53-311 B (Blue) and B (Red) vs Operating Temperature at V =3.0 V ............................................... 15 RPN RPS DD 16.22 RR121-3C63-311 Average Supply Current vs Supply Voltage vs Temperature .................................................... 16 16.23 RR121-3C63-311 Average Supply Current vs Temperature vs Supply Voltage .................................................... 16 page 2 Copyright 2020. All rights reserved. rev.07072020 (401) 943-2686 redrock cotorelay.com www.cotorelay.com