[AK09915]
Parameter
Current consumption
Symbol
IDD1
IDD2
IDD3
IDD4
Pin
VDD
VID
Condition
Power-down mode
Vdd = Vid = 3.0V
When magnetic sensor
is driven
Self-test mode
Min.
Typ.
3
2.1
3.2
0.1
Max.
6
3.5
4.7
5
Unit
µA
mA
mA
µA
(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.
8.2. AC Characteristics
Parameter
Power supply rise time
POR completion time
Power supply turn off
voltage (Note 6)
Power supply turn on
interval (Note 6)
Wait time before mode
setting
Reset input effective
pulse width (“L”)
Symbol
PSUP
PORT
SDV
PSINT
Pin
VDD
VID
Condition
Period of time that VDD (VID)
changes from 0.2V to Vdd (Vid).
Period of time after PSUP to
Power-down mode (Note 7)
VDD Turn off voltage to enable POR to
VID
restart (Note 7)
VDD Period of time that voltage lower
VID
than SDV needed to be kept to
enable POR to restart (Note 7)
Min.
Typ.
Max.
50
100
0.2
100
Unit
ms
µs
V
µs
Twait
tRSTL
RSTN
100
5
µs
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, AK09915 transits to Power-down mode.
Power-down mode
Vdd/Vid
PORT
SDV
0V
PSUP
PSINT
Power-down mode
Twait
tRSTL
VIL
015006484-E-02
-7-
2016/7
AKM [ ASAHI KASEI MICROSYSTEMS ]
