AK8975 Datasheet, PDF (7/34 Pages) Asahi Kasei Microsystems – 3-axis Electronic Compass

[AK8975/C]
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
+125
°C
(Note 1) If the device is used in conditions exceeding these values, the device may be destroyed. Normal operations
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
Power supply voltage
VDD pin voltage
Vdd
2.4
3.0
3.6
V
VID pin voltage
Vid
1.65
Vdd
V
5.3. Electrical Characteristics

The following conditions apply unless otherwise noted:
Vdd=2.4V to 3.6V, Vid=1.65V 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 CSB
SK
Low level input voltage 1
VIL1
SI
70%Vid
V
30%Vid V
High level input voltage 2
Low level input voltage 2
VIH2
VIL2
SCL
SDA
70%Vid
V
30%Vid V
High level input voltage 3
Low level input voltage 3
VIH3 CAD0
VIL3 ^CAD1
70%Vdd
V
30%Vdd V
Input current
IIN
SCL Vin=Vss or Vid
-10
SK
SDA
SI
CSB
+10
μ^A
Hysteresis input voltage VHS SCL Vid_≥2V
5%Vid
V
(Note 2)
SDA _Vid<2V
10%Vid
V
High level output voltage 1 VOH1 SO IOH_≥-100µA (Note 5) 80%Vid
Low level output voltage 1 VOL1 ^DRDY IOL≤+100µA (Note 5)
V
20%Vid 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
VDD Power-down mode
VID Vdd=Vid=3.0V
3
10
μ^A
IDD2
When magnetic sensor
is driven
6
10
mA
IDD3
(Note 6)
Self-test mode
10.3
15
mA
(Note 2) 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. Connect a pull-up resistor externally.
(Note 5) Load capacitance: 20pF

(Note 6) Reference value for design.
MS1187-E-02
-7-
2010/05