[AK09916]
8.2. AC Characteristics
Parameter
Power supply rise time
POR completion time
Power supply turn off
voltage (Note 4)
Power supply turn on
interval (Note 4)
Wait time before mode
setting
Symbol
PSUP
PORT
SDV
PSINT
VDD
VDD
Pin
VDD
Condition
Period of time that VDD changes
from 0.2V to Vdd.
Period of time after PSUP to
Power-down mode (Note 5)
Turn off voltage to enable POR to
restart (Note 5)
Period of time that voltage lower
than SDV needed to be kept to
enable POR to restart (Note 5)
Min.
Typ.
Max.
50
100
0.2
100
Unit
ms
µs
V
µs
Twait
100
µs
(Note 4)
(Note 5)
Reference value for design.
When POR circuit detects the rise of VDD voltage, it resets internal circuits and initializes the
registers. After reset, AK09916 transits to Power-down mode.
Power-down mode
VDD
PORT
SDV
0V
PSUP
PSINT
Power-down mode
8.3. Analog Circuit Characteristics
Parameter
Measurement data output bit
Time for measurement
Magnetic sensor sensitivity
Magnetic sensor measurement range
Magnetic sensor initial offset
Symbol
DBIT
TSM
BSE
BRG
Condition
Single measurement mode
Ta = 25 ˚C
Ta = 25 ˚C
Ta = 25 ˚C
Min.
-
0.1425
±4670
-2000
Typ.
16
7.2
0.15
±4912
Max.
Unit
-
bit
8.2
ms
0.1575 µT/LSB
±5160
µT
+2000
LSB
(Note 6)
(Note 7)
Reference value for design
Value of measurement data register on shipment test without applying magnetic field on purpose.
015007392-E-02
-6-
2015/12
AKM [ ASAHI KASEI MICROSYSTEMS ]
