AK8973 Datasheet, PDF (8/31 Pages) Asahi Kasei Microsystems – 3-axis Electronic Compass

ASAHI KASEI
[AK8973]
5. Overall Characteristics
5.1. Absolute Maximum Ratings
VSS=0V
Parameter
Symbol
Min.
Max.
Unit
Power supply voltage
V+
-0.3
+6.5
V
(VDD, VID)
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
Operating
temperature
Power supply
voltage
Remark
VDD pin voltage
VID pin voltage
Symbol
Ta
VDD
VID
Min.
-30
2.5
1.70
Typ.
3.0
1.85
Max.
Unit
+85
°^C
3.6
V
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 SCL
70%VID
V
SDA
Low level input voltage 1
VIL1 ^CAD0
CAD1
30%VID V
High level input voltage 2 VIH2 RSTN
80%VID
V
Low level input voltage 2
VIL2
20%VID V
Input current (Note 1)
IIN
SCL Vin=VSS or VID
-10
SDA
+10
μ^A
CAD0
CAD1
RSTN
Hysteresis input voltage ^{VHS SCL} VID≥2V
5%VID
V
(Note 2)
SDA _VID<2V
10%VID
V
High level output voltage 1 VOH1 INT IOH=-200µA (Note 5) 90%VID
V
Low level output voltage 1 VOL1
IOL=+200µA (Note 5)
0.4
V
Low level output voltage 2
(Note 3)(Note 4)
VOL2
SDA IOL=3mA VID_≥2V
IOL=3mA VID<2V
0.4
V
20%VID V
Current consumption
IDD1
In power-down mode
0.2
5
μ^A
IDD2
When magnetic
6.8
10.2
mA
sensor is driven
IDD3
Average when reading
0.8
1.2
mA
with 100ms
(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 I²C bus interface)
(Note 4) Output is open-drain output. Connect a pull-up resistor externally.
(Note 5) Load capacitance: 20pF
MS0561-E-01 <Preliminary>
-8-
2007/01