AK8998 Datasheet, PDF (14/59 Pages) Asahi Kasei Microsystems – Preliminary

[AK8998/W/D]
7) Digital AC Characteristics
VDD=3, 3.3, 5V±5%, Ta=-20 to 85ºC, register default, unless otherwise noted
Item
Symbol
Min.
Typ.
Max.
units
Write time
(EEPROM address write)
Twr_EEP1
5
Write time (EEPROM batch write) Twr_EEP1
10
Write time (Register)
Twr_REG
10
Digital Mode Transition time
Tinit
1.0
Analog Mode Transition time
Tdigout
0.5
100
msec
100
msec
µsec
msec
msec
Data setup time
Data hold time
CSCLK high time
CSCLK low time
CSCLK→DO delay time Note1)
CSCLK rising time Note 2)
CSCLK falling time Note 2)
Ts
100
Th
100
Twh
0.5
Twl
0.5
Td
Tr
Tf
nsec
nsec
100
µsec
100
µsec
200
nsec
10
nsec
10
nsec
Note1) SDO load capacitance=100pF
Note2) Design reference value; no production test performed.
[Serial I/F timing (Write)]
CSCLK
Tinit
Ts Th
1
VOUT
ANALOG OUT
I2
Hi-z
VOUT condition
Analog Output Mode Digital Input Mode
[Serial I/F timing (Read) ]
Td
CSCLK
VOUT
VOUT condition
8
9
A0
Hi-Z
D7
Digital Input Mode
Twh Twl
Twr_EEP1/2
Twr_REG
16
D0
1
I2
Td
Tdigout
16
D0
Digital Output Mode
ANALOG OUT
Analog Output Mode
[CSCLK Raising/Falling timing]
Tr
Tf
0.7VDD
CSCLK
0.3VDD
MSxxxxx-E-00
- 14 -
2012/11