AK09915D Datasheet, PDF (7/43 Pages) Asahi Kasei Microsystems – 3-axis Electronic Compass

[AK09915D]
Parameter
Symbol Pin
Condition
Min. Typ.
Current consumption
IDD1 VDD Power-down mode
3
(Note 4)
VID Vdd = Vid = 3.0V
IDD2
When magnetic sensor
2.1
is driven
IDD3
Self-test mode
3.2
IDD4
(Note 5)
0.1
(Note 1) Schmitt trigger input (reference value for design).
(Note 2) IOH: High level output current. IOL1/IOL2: Low level output current.
(Note 3) Output is open-drain. Connect to a pull-up resistor externally.
(Note 4) Without any resistance load
(Note 5) (case 1) Vdd = ON, Vid = ON, RSTN pin = “L”.
(case 2) Vdd = ON, Vid = OFF (0V), RSTN pin = “L”.
(case 3) Vdd = OFF (0V), Vid = ON.
Max. Unit
6
µA
3.5 mA
4.7 mA
5
µA
8.2. AC Characteristics
Parameter
Symbol Pin
Condition
Min. Typ. Max. Unit
Power supply rise time PSUP VDD Period of time that VDD (VID)
VID changes from 0.2V to Vdd (Vid).
50 ms
POR completion time
(Note 6)
PORT
Period of time after PSUP to
Power-down mode (Note 7)
100 µs
Power supply turn off
voltage (Note 6)
SDV VDD Turn off voltage to enable POR to
VID
restart (Note 7)
0.2 V
Power supply turn on PSINT VDD Period of time that voltage lower 100
µs
interval (Note 6)
VID than SDV needed to be kept to
enable POR to restart (Note 7)
Wait time before mode Twait
setting
100
µs
Reset input effective
pulse width (“L”)
tRSTL RSTN
5
µs
(Note 6) Reference value for design.
(Note 7) When POR circuit detects the rise of VDD/VID voltage, it resets internal circuits and initializes the
registers. After reset, AK09915D transits to Power-down mode.
Vdd/Vid
SDV
0V
Power-down mode
PORT
PSUP
PSINT
Power-down mode
Twait
016009278-E-00
-7-
2016/7