AK8963C Datasheet, PDF (8/38 Pages) Asahi Kasei Microsystems – 3-axis Electronic Compass

(case3)Vdd=Off(0V), Vid=On.
[AK8963]
5.3.2. AC Characteristics
Parameter
Symbol Pin
Condition
Min.
Typ.
Max. Unit
Power supply rise time
PSUP VDD Period of time that VDD
50
ms
(Note 7)
VID (VID) changes from 0.2V
to Vdd (Vid). (Note 8)
POR completion time
(Note 7)
PORT
Period of time after PSUP
to Power-down mode
(Note 8)
100
µs
Power supply turn off
voltage
SDV
VDD Turn off voltage to enable
VID POR to restart (Note 8)
0.2
V
Power supply turn on
PSINT VDD Period of time that voltage 100
µs
interval (Note 7)
VID lower than SDV needed to
be kept to enable POR to
restart (Note 8)
Wait time before mode
setting
Twat
100
µs
(Note 7) Reference value for design
(Note 8) When POR circuit detects the rise of VDD/VID voltage, it resets internal circuits and initializes the
registers. After reset, AK8963 transits to Power-down mode.
VDD/(VID)
PORT:100µs
Power down mode
Powe down mode
0V
PSUP:50ms
PSINT:100µs
SDV:0.2V
Parameter
Symbol Pin
Condition
Min.
Typ.
Max. Unit
Trigger input effective
tTRIGH TRG
200
ns
pulse width
Trigger input effective
frequency (Note 9)
tTRIGf TRG
100
Hz
(Note 9) The value when the period of time from the end of the measurement to the next trigger input is 1.3ms.
tTRIGH
VIH
MS1356-E-02
-8-
2013/10