AH1889-Z-7

AH1889-Z-7 is a high-sensitivity dual-output unipolar hall effect IC that can detect either a north or south pole independently and switch one of its two outputs with internal pull-up and pull-down capability. A south pole of sufficient strength will turn OUTPUT1 on and a north pole of sufficient strength with turn on OUTPUT2. While the magnetic flux density (B) perpendicular to the package is larger than operate point Bops or Bopn, the appropriate output will be turned on (pulled low), the output is held until B is lower than the release point Brps or Brpn, then turned off (high). The outputs will be turned off and will remain off when there is no magnetic field. Applications include position and proximity detection for consumers, office equipment and industrial applications, open and close detect switches for home appliances, door, lids, tray position detect switches, magnetic field direction detection, contact-less switches for consumer and industrial applications.

• Supply voltage of 1.65V to 3.6V
• Quick response time without sleep mode
• Chopper stabilized design provides superior temperature stability
• Extremely low switch-point drift, enhanced immunity to physical stress
• Good RF noise immunity, ESD (human body model) >4kV
• Supply current is 2.1mA typ at VDD = 1.8V outputs off, TA = +25°C
• Operating temperature range from -40 to +85°C
• SOT553 package

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