HALL IC

S-5711A Series

Seiko Instruments Inc.

10

Operation

1. Direction of applied magnetic flux and position of Hall sensor

The S-5711A Series detects the flux density which is vertical to the marking surface.

closer to the marking surface.

the marking surface.

the marking surface.

Figures 10 and 11 show the direction in which magnetic flux is being applied.

(1) SNT-4A

(2) SOT-23-3

Marking surface

S

N

Marking surface

S

N

Figure 10

Figure 11

Figures 12 and 13 show 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.

(1) SNT-4A

(2) SOT-23-3

Top view

1

4

23

0.16 mm (typ.)

The center of Hall sensor;

in this

φ 0.3 mm

1

Top view

23

0.7 mm (typ.)

The center of Hall sensor;

in this

φ 0.3 mm

Figure 12

Figure 13