AMR Sensors FAQ

Part Number

Which sensors are specially designed to consume low currents?

・ MRUS72S: for open/close detection. Detects H or L during pulse application. Can be driven permanently
.・ MRUS72X: for rotation detection. Detects H or L during pulse application. Can be driven permanently
.・ MRUS74S: for open/close detection. Judges output level with pulse application and maintains the output result during pulse application. Cannot be driven permanently.
・ MRUS74X: for rotation detection. Judges output level with pulse application and maintains the output result during pulse application. Cannot be driven permanently.
The above AMR sensors are recommended. They need external intermittent power supplies, but can start up and make decisions very quickly. Depending on the frequency and pulse time settings, they can be used with a consumption current below 0.01 μA. In applications such as meters, consumption current can be reduced even further by allowing frequency to be changed between activated and deactivated modes.

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