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Description

TMR1202/TMR1208 is a bipolar latching magnetic

switch integrated the tunnel magnetoresistance

(TMR) magnetic sensor and CMOS circuitry, which

is able to detect the change of magnetic field and

output high and low voltage signals for high accuracy

position detection.

Unlike Hall/AMR sensors, TMR sensors with extremely

high resistance values allows TMR1202/TMR1208

to achieve the supply current as low as 1.5 μA while

operating in the full-time power supply mode, and

maintaining the response frequency of the magnetic

signal is up to 5 kHz. Therefore, TMR1202/TMR1208

can provide true continuous detection of magnetic

field signals, avoiding sampling errors from the

traditional time-sharing power supply mode.

TMR1202/TMR1208 allows a wide range of operating

supply voltages from 1.8 V to 5.5 V with excellent

temperature characteristics, and can meet the

requirements of most applications.

Features and benefits

?? Tunneling magnetoresistance (TMR) technology

?? Low power consumption: supply current 1.5 μA

?? High frequency response: up to 5 kHz

?? Bipolar latching operation

??Wide range supply voltages: 1.8 V to 5.5 V

?? CMOS push-pull output

?? High sensitivity

?? Excellent temperature stability

?? High tolerance to external magnetic field interference

?? RoHS & REACH compliant

Applications

?? Utility meters: water, gas, and heat meters

?? Proximity switches

?? Speed sensing

?? Linear and rotation position sensing

??Wake-up switch