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AK8776 Datasheet Hall-Effect

Manufacturer: AKM (Asahi Kasei Microdevices)

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General Description

of pin name and function I/O Function Power supply pin − O Output F (Pulse) pin O Output D (Direction) pin Ground pin − Pin No.

1 2 3 4 Pin name VDD F D VSS Note CMOS output CMOS output Absolute Maximum Ratings Table 3.

Absolute maximum ratings Parameter Symbol Min.

Overview

[AK8776] AK8776 Hall IC for Pulse Encoder Overview AK8776 is a Hall effect latch which detects both “vertical” and “horizontal” (perpendicular and parallel to the marking side of the package) magnetic field at the same time and outputs the pulse (F) and rotational direction (D).

AK8776 is for use in portable devices which uses rotational detection system or incremental pulse encoder such as jog dial utilized for input devices.

Key Features

  • o o o o o 1.6 to 5.5V operation Bop, Brp(Vertical, Horizontal) ±1.5mT(Typ. ), Highly sensitive Low power operation : Average 90μA(Typ. ) @VDD=3V Two Output: F-Output (Pulse count), D-Output (Direction of rotation) Small package: SOP-4pin, Halogen free MS1317-E-00 1 2011/July Free Datasheet http://www. datasheet4u. com/ [AK8776] Block Diagram VDD BIAS OSC VSS HE_DRIVE HALL.

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