S-57A1NSL1A-M3T2U Datasheet, PDF (9/15 Pages) Seiko Instruments Inc – HIGH-SPEED UNIPOLAR DETECTION TYPE HALL IC

FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE HIGH-SPEED UNIPOLAR DETECTION TYPE HALL IC
Rev.1.6_01
S-57A1 A Series
 Operation
1. Direction of applied magnetic flux
The S-57A1 A Series detects the magnetic flux density which is vertical to the marking surface.
Figure 10 shows the direction in which magnetic flux is being applied.
N
S
Marking surface
Figure 10
2. Position of Hall sensor
Figure 11 shows the position of Hall sensor.
The center of this Hall sensor is located in the area indicated by a circle, which is in the center of a package as
described below.
The following also shows the distance (typ. value) between the marking surface and the chip surface of a package.
Top view
1
The center of Hall sensor;
in this φ 0.3 mm
2
3
0.7 mm (typ.)
Figure 11
9