AK8777B Ver la hoja de datos (PDF) - Asahi Kasei Microdevices

Número de pieza

componentes Descripción

Fabricante

AK8777B

Hall Effect IC for Pulse Encoders

Asahi Kasei Microdevices 

[AK8777B]

Electrical Characteristics

Table 5. Electrical characteristics at VDD=4.0 to 24.0V, Ta= 40 to +125C

Parameter

Symbol Min. Typ. Max. Unit

Note

Current consumption

IDD

1.4

3.0

5.6

mA

Output saturation voltage

VSAT

0.4

V

OUTA,OUTB pin,

ISINK= 15mA

Output leak current

ILEAK

10

mA OUTA, OUTB =VDD

Output refresh period

TP

12.0 16.7

30.5

ms

Magnetic Characteristics

Table 6. Magnetic characteristics at VDD=4.0 to 24.0V, Ta= 40 to +125C

Parameter

Symbol

Min.

Typ.

Max.

Unit

Operating point of

vertical magnetic field

BopV

0.1

1.7

4.0

mT

Releasing point of

vertical magnetic field

BrpV

4.0

1.7

0.1

mT

Operating point of

horizontal magnetic field

BopH

0.1

1.7

4.0

mT

Operating point of

horizontal magnetic field

BrpH

4.0

1.7

0.1

mT

Hysteresis

BhV, BhH 1.5

3.4

6.8

mT

Note

(*1)

(*1)

(*2)

(*2)

(*1), (*2)

(*1) Horizontal magnetic flux density is zero.

(*2) Vertical magnetic flux density is zero.

MS1465-E-00

September 2012

4

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