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TMR1228 Datasheet Microampere High Frequency Response Dual-axis Bipolar Magnetic Switch Sensor

Manufacturer: MultiDimension

Overview: Datasheet Version 2.0.2 TMR1222 / TMR1228 MicroAmpere High Frequency Response Dual-Axis Bipolar Magnetic Switch.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Datasheet Details

Part number TMR1228
Manufacturer MultiDimension
File Size 1.01 MB
Description MicroAmpere High Frequency Response Dual-Axis Bipolar Magnetic Switch Sensor
Datasheet TMR1228 TMR1222 Datasheet (PDF)

General Description

The TMR1222/TMR1228 series magnetic switches integrated the tunneling 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 TMR1222/1228 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 1 kHz.

Therefore, the TMR1222/TMR1228 can provide true continuous detection of magnetic field signals, avoiding sampling errors from the traditional time-sharing power supply mode.

Key Features

  • Tunneling magnetoresistance (TMR) technology.
  • Low power consumption: supply current 1.5 μA.
  • High frequency response: typ. 1 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.

TMR1228 Distributor & Price

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