ASAHI KASEI

[AK8973]

MS0561-E-01 <Preliminary>

- 8 -

2007/01

5.1.

Absolute Maximum Ratings

VSS=0V

Parameter

Symbol

Min.

Max.

Unit

Power

supply

voltage

(VDD, VID)

V+

-0.3

+6.5

V

Input voltage

VIN

-0.3

(V+)+0.3

V

Input current

IIN

-

±10

mA

Storage temperature

TST

-40

+85

°C

Note

If the device is used in conditions exceeding these values, the device may be destroyed. Normal operations

and EEPROM data are not guaranteed in such exceeding conditions.

5.2.

Recommended Operating Conditions

VSS=0V

Parameter

Remark

Symbol

Min.

Typ.

Max.

Unit

Operating

temperature

Ta

-30

+85

°C

VDD pin voltage

VDD

2.5

3.0

3.6

V

Power supply

voltage

VID pin voltage

VID

1.70

1.85

VDD

V

Note

When turning on/off the power, turn on/off VDD and VID at the same time. .

5.3.

Electrical Characteristics

The following conditions apply unless otherwise noted:

VDD=2.5V to 3.6V, VID=1.7V to VDD, Temperature range=-30

°C to 85°C

5.3.1.

DC Characteristics

Parameter

Symbol

Pin

Condition

Min.

Typ.

Max.

Unit

High level input voltage 1

VIH1

70%VID

V

Low level input voltage 1

VIL1

SCL

SDA

CAD0

CAD1

30%VID

V

High level input voltage 2

VIH2

80%VID

V

Low level input voltage 2

VIL2

RSTN

20%VID

V

Input current (Note 1)

IIN

SCL

SDA

CAD0

CAD1

RSTN

Vin=VSS or VID

-10

+10

μA

VID

≥2V

5%VID

V

Hysteresis input voltage

(Note 2)

VHS

SCL

SDA

VID<2V

10%VID

V

High level output voltage 1

VOH1

IOH=-200µA (Note 5)

90%VID

V

Low level output voltage 1

VOL1

INT

IOL=+200µA (Note 5)

0.4

V

IOL=3mA VID

≥2V

0.4

V

Low level output voltage 2

(Note 3)(Note 4)

VOL2

SDA

IOL=3mA VID<2V

20%VID

V

IDD1

In power-down mode

0.2

5

μA

IDD2

When magnetic

sensor is driven

6.8

10.2

mA

Current consumption

IDD3

Average when reading

with 100ms

0.8

1.2

mA

(Note 1) Maximum input pin capacitance: 10pF (reference value for design)

(Note 2) Applied to the SCL pin and SDA pin (Schmitt trigger input) (reference value for design)

(Note 3) Maximum load capacitance: 400pF (capacitive load of each bus line applied to the I

(Note 4) Output is open-drain output. Connect a pull-up resistor externally.

(Note 5) Load capacitance: 20pF