Unipolar Magnetic Switch Integrating TMR Magnetic Sensor, Supporting 1.8~5.5V Wide Range Supply Voltages

时间： 2021-04-29 来源：MDT

技术问答

MDT's (MultiDimension Technology) TMR1102 is a unipolar magnetic switch specially designed and developed for applications which require high speed, high sensitivity and high accuracy detection while meeting low power consumption requirements.

TMR1102 integrates the high accuracy push-pull tunnel magnetoresistance (TMR) magnetic sensor and CMOS circuitry including an on-chip TMR voltage generator, comparator, Schmitt trigger and CMOS output, which is able to detect the change of magnetic field and output high and low voltage signals based on a preset threshold level. An internal band gap regulator is used to provide temperature compensated supply voltage for internal circuits, and it allows a wide range of operating supply voltages from 1.8V to 5.5V.

TMR1102 is an ideal solution for many low-power, high-performance applications with micro-ampere level supply current, higher response frequency, a wide operating temperature range, and excellent anti-magnetic interference characteristics. It is available in packaging form factors of SOT23-3 (P/N: TMR1102S).

Features and Benefits:

· Tunneling Magnetoresistance (TMR) Technology

· Low Power Consumption: 1.5mA

· High Frequency Response≥1kHz

· Unipolar Operation

· Wide range supply voltages: 1.8V~5.5V

· CMOS output

· High sensitivity

· Excellent temperature stability

· High tolerance to external magnetic field interference

Applications:

· Utility meters: water, gas, and heat meters

· Solid state switches

· Position sensing

· Speed sensing

Specification:

· Type: Unipolar

· Supply Voltage: 1.8～5.5V

· Power Consumption: 1.5uA

· Operating Modes: continuous power, no duty cycling

· Sensing Direction:X-axis

· B_op (Gs, 25°C): 17

· B_rp (Gs, 25°C): 13

· Output Interface: CMOS

· Form Factor: SOT23-3

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本文由宝丁转载自MDT，原文标题为:TMR1102 Microampere Unipolar Magnetic Switch Sensor，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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产品型号	品类	类型	供电电压(V)	功耗(mA, μA, nA)	工作模式	敏感方向	Bᴏᴘ (Gs,25℃ )	Bʀᴘ (Gs,25℃ )	输出接口	封装&尺寸(mm)
TMR1102	微安级高频响TMR磁开关传感器芯片	单极	1.8V~5.5V	1.5μA	连续供电	X轴	17Gs	13Gs	CMOS	SOT23-3