S5724 datasheet(13/29 Pages) SII

13 / 29 page

LOW VOLTAGE OPERATION HIGH-SPEED BIPOLAR HALL EFFECT LATCH

Rev.1.2_01

S-5724 Series



Magnetic Characteristics

Table 14

(Ta =

+25°C, VDD = 1.85 V, VSS = 0 V unless otherwise specified)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Test Circuit

Operation point*1

S pole

BOP

−

1.4

3.0

4.0

Release point*2

N pole

BRP

−

−4.0

−3.0

−1.4

Hysteresis width*3

BHYS

BHYS = BOP

− BRP

−

6.0

−

*1. BOP: Operation point

BOP is the value of magnetic flux density when the output voltage (VOUT) changes after the magnetic flux density applied

to the S-5724 Series by the magnet (S pole) is increased (by moving the magnet closer).

VOUT retains the status until a magnetic flux density of the N pole higher than BRP is applied.

*2. BRP: Release point

BRP is the value of magnetic flux density when the output voltage (VOUT) changes after the magnetic flux density applied

to the S-5724 Series by the magnet (N pole) is increased (by moving the magnet closer).

VOUT retains the status until a magnetic flux density of the S pole higher than BOP is applied.

*3. BHYS: Hysteresis width

BHYS is the difference between BOP and BRP.

Remark The unit of magnetic density mT can be converted by using the formula 1 mT = 10 Gauss.

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