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AK8772

Monolithic Hall Effect ICs

Asahi Kasei Microdevices 

AK8772

•Please be aware that our products are not intended for use in life support equipment, devices, or systems. Use of our products in such applications requires the

advance written approval of our sales staff.

Certain applications using semiconductor devices may involve potential risks of personal injury, property damage, or loss of life. In order to minimize these risks,

adequate design and operating safeguards should be provided by the customer to minimize inherent or procedural hazards. Inclusion of our products in such

applications is understood to be fully at the risk of the customer using our devices or systems.

●Absolute Maximum Ratings

Item

symbol

Min.

Max.

Unit

Note

Power supply voltage

VDD

ー0.3

＋6.5

V

Output current

IOUT

ー0.5

＋0.5

mA

OUT pin

Input voltage

VIN

ー0.3

VDD＋0.3＊

V

PDN pin

Input current

IIN

ー10

＋10

mA

PDN pin

Storage temperature

TSTG

ー55

＋125

℃

＊) Less than +6.5V.

Note) Stress beyond these listed values may cause permanent damage to the device.

●Recommended Operating Conditions

Item

symbol

Min.

Typ.

Max.

Power supply voltage

VDD

1.6

3.0

5.5

Operating temperature

Ta

ー30

＋85

●Electrical Characteristics（Ta=25℃ VDD=3.0V）

Unit

V

℃

Item

symbol Min.

Typ. Max. Unit

Note

Current consumption 1 IDD1

1

μA

PDN=0V

Current consumption 2 IDD2

60

150

μA PDN=VDD,Average

PDN Input current

IIN

ー1

1

μA

PDN input H voltage VIH

0.7VDD

V

PDN input L voltage VIL

0.3

V

High Level output voltage VOH VDDー0.4

V

Iout=ー0.5mA

Low level output voltage VOL

0.4

V

Iout=＋0.5mA

PDN mode transition time 1 TPD1

（36.6） μs

＊Active→PDN

PDN mode transition time 2 TPD2

100

μs

PDN→Active

Pulse drive period TPD3

0.5

1.0

1.5

ms When PDN＝VDD

Pulse drive time TPD4

12.2

24.4

36.6

μs

PDN H input pulse width TW

100

μs

*)This transition time is not guaranteed by inspection because PDN input timing and internal timing are asynchronous

●Magnetic Characteristics①（Ta=25℃ VDD=3.0V）

Item

symbol

Min.

Typ.

Max.

Unit

Operating point

Bop

1.8

4.0

mT

Releasing point

Brp

ー4.0

ー1.8

mT

Hysteresis

Bh

3.6

mT

●Magnetic Characteristics②（Ta=−30℃〜85℃ VDD=1.6〜5.5V）

Item

symbol

Min.

Typ.

Max.

Operating point

Bop

1.8

4.2

Releasing point

Brp

ー4.2

ー1.8

Hysteresis

Bh

3.6

Note) The specifications in Magnetic Characteristics ② are design targets.

Unit

mT

mT

mT

c

g

k

n

o

p

20

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