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Digital Push Pull Magnetic Sensor COTO RR122-1A52-511 Featuring Low Current Drain and TMR Technology

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Digital Push Pull Magnetic Sensor COTO RR122-1A52-511 Featuring Low Current Drain and TMR Technology

Description : SOT-23-3 Switches (Solid State) RoHS

Mfr. Part # : RR122-1A52-511

Model Number : RR122-1A52-511

Package : SOT-23-3

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RedRock RR122 Series TMR Digital Push-Pull Magnetic Sensors

Product Overview
The RedRock RR122-1A52-511 and RR122-1A53-511 are advanced digital magnetic sensors leveraging patented Tunneling Magnetoresistance (TMR) technology with seamless CMOS integration. These sensors are designed for high-performance applications across medical, industrial, automotive, and consumer sectors. They offer a highly sensitive operate point of 9 G with an omnipolar magnetic field response, a wide supply voltage range from 1.7V to 5.5V, and exceptionally low average current drain of 1.0 mA at 250 Hz. With a broad operating temperature range up to 125C, these sensors are ideal for diverse and demanding environments.

Product Attributes

Brand: RedRock
Technology: Tunneling Magnetoresistance (TMR)
Certifications: RoHS & REACH Compliant
Output Type: Digital Push-Pull

Technical Specifications

Model	Description	Operate Sensitivity (G)	Supply Voltage (V)	Operating Temperature (C)	Average Current (mA)	Operating Frequency (Hz)	Package
RR122-1A52-511	Digital Push-Pull Magnetic Sensor	9 G (Op), 5 G (Rel)	1.7 - 5.5	-40 to +85	< 1.0 (typ. at 1.7V)	250	SOT-23-3
RR122-1A53-511	Digital Push-Pull Magnetic Sensor	9 G (Op), 5 G (Rel)	1.7 - 5.5	-40 to +125	< 1.0 (typ. at 1.7V)	250	SOT-23-3
General Specifications:
Magnetic Polarity Response	Omnipolar
Output Response	Active Low
Package Body Size (SOT-23-3)	2.9 x 1.6 x 1.2 mm
Storage Temperature	-65 to +150 C
Maximum Magnetic Field Exposure	600 G
Power-On Time	50 - 75 ms
Under Voltage Lockout (Rising)	1.60 - 1.64 V
Under Voltage Lockout (Falling)	1.44 - 1.53 V
Switching Frequency	150 - 350 Hz (Typ. 250 Hz)

Applications

Proximity Detection
Rotary Sensing
Fluid Level Detection
Door & Lid Closure Detection
Utility Meters
Motor Controllers
Consumer Electronics

Application Information

The RR122 series features an active-low output, suitable for direct connection to microcontroller digital I/O pins. A 1.0 F decoupling capacitor is recommended, placed within 10 mm of the sensor, between VDD and GND.

Packaging

SOT-23-3 Package: Available in Tape & Reel, containing 3,000 pieces. MSL Rating is 1.

2412061702_COTO-RR122-1A52-511_C17182916.pdf

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