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