AK8779A Datasheet, PDF (2/13 Pages) Asahi Kasei Microsystems – Hall Effect IC for Pulse Encoders

[AK8779A]
3. Table of Contents
1. General Description ............................................................................................................................ 1
2. Features .............................................................................................................................................. 1
3. Table of Contents ................................................................................................................................ 2
4. Block Diagram and Functions ............................................................................................................. 3
4.1. Block Diagram.............................................................................................................................. 3
4.2. Functions ..................................................................................................................................... 3
5. Pin Configurations and Functions ....................................................................................................... 4
5.1. Pin Configurations ....................................................................................................................... 4
5.2. Functions ..................................................................................................................................... 4
6. Absolute Maximum Ratings ................................................................................................................ 4
7. Recommended Operating Conditions................................................................................................. 5
8. Electrical Characteristics..................................................................................................................... 5
9. Magnetic Characteristics..................................................................................................................... 5
10. Magnetic Field Detection................................................................................................................. 6
10.1. Definition of Vertical Magnetic Field’s Polarity ......................................................................... 6
10.2. Definition of Horizontal Magnetic Field’s Polarity .................................................................... 6
10.3. Behaviors of Internal and Output Signals when a Rotating Magnetic Field Is Applied on The
AK8779A................................................................................................................................................. 7
11. Operational Timing .......................................................................................................................... 8
12. Recommended External Circuit ...................................................................................................... 9
13. Typical Characteristics Data (for reference).................................................................................. 10
14. Package..........................................................................................................................................11
14.1. Outline Dimensions .................................................................................................................11
14.2. Material of Terminals ...............................................................................................................11
14.3. Land Pattern........................................................................................................................... 12
14.4. Marking................................................................................................................................... 12
IMPORTANT NOTICE .......................................................................................................................... 13
015001035-E-02
-2-
2015/07