S5712E datasheet(10/31 Pages) SII

Part #	S5712E

Description	HIGH-SPEED LOW VOLTAGE OPERATION OMNIPOLAR / UNIPOLAR DETECTION TYPE HALL EFFECT SWITCH IC

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Manufacturer	SII [Seiko Instruments Inc]

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HIGH-SPEED LOW VOLTAGE OPERATION OMNIPOLAR / UNIPOLAR DETECTION TYPE HALL EFFECT SWITCH IC

S-5712E Series

Rev.1.0_00

10

3. Product with N pole detection

3. 1 Product with BOP = 3.0 mT typ.

Table 15

(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

N pole

BOPN

−

−4.0

−3.0

−1.4

mT

5

Release point

*2

N pole

BRPN

−

−3.7

−2.2

−1.1

mT

5

Hysteresis width

*3

N pole

BHYSN

BHYSN =

|BOPN − BRPN|

−

0.8

−

mT

5

3. 2 Product with BOP = 4.5 mT typ.

Table 16

(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

N pole

BOPN

−

−6.0

−4.5

−2.5

mT

5

Release point

*2

N pole

BRPN

−

−5.5

−3.5

−2.0

mT

5

Hysteresis width

*3

N pole

BHYSN

BHYSN =

|BOPN − BRPN|

−

1.0

−

mT

5

3. 3 Product with BOP = 7.0 mT typ.

Table 17

(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

N pole

BOPN

−

−8.5

−7.0

−5.0

mT

5

Release point

*2

N pole

BRPN

−

−7.2

−5.2

−3.7

mT

5

Hysteresis width

*3

N pole

BHYSN

BHYSN =

|BOPN − BRPN|

−

1.8

−

mT

5

*1. BOPN, BOPS: Operation points

BOPN and BOPS are the values of magnetic flux density when the output voltage (VOUT) changes after the magnetic flux

density applied to this IC by the magnet (N pole or S pole) is increased (by moving the magnet closer).

Even when the magnetic flux density exceeds BOPN or BOPS, VOUT retains the status.

*2. BRPN, BRPS: Release points

BRPN and BRPS are the values of magnetic flux density when the output voltage (VOUT) changes after the magnetic flux

density applied to this IC by the magnet (N pole or S pole) is decreased (the magnet is moved further away).

Even when the magnetic flux density falls below BRPN or BRPS, VOUT retains the status.

*3. BHYSN, BHYSS: Hysteresis widths

BHYSN and BHYSS are the difference between BOPN and BRPN, and BOPS and BRPS, respectively.

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

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