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AK8999AD Datasheet, PDF (15/68 Pages) Asahi Kasei Microsystems – Pressure Sensor Control IC
CONFIDENTIAL
[AK8999A/AW/AD]
5) Digital AC Characteristics
VDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105ºC, register default, unless otherwise noted
Parameter
Symbol
Min.
Typ.
Max.
Units
Write time
(EEPROM address write)
Twr_EEP1
5
100
msec
Write time (EEPROM batch write)
Twr_EEP2
10
Write time (Register)
Twr_REG
10
Digital Mode Transition time
Tinit
1.0
100
msec
μsec
msec
Analog Mode Transition time
Tdigout
0.5
msec
Data setup time
Ts
100
msec
Data hold time
Th
100
msec
CSCLK high time
Twh
0.5
100
μsec
CSCLK low time
Twl
0.5
100
μsec
CSCLK→DO delay time Note1)
Td
200
nsec
CSCLK rising time Note 2)
Tr
10
nsec
CSCLK falling time Note 2)
Tf
10
nsec
Note1) SDO load capacitance = 100pF
Note2) Design reference value; no production test performed.
[Serial I/F timing (Write)]
Tinit
Ts Th
Twh Twl
Twr_EEP1/2
Twr_REG
CSCLK
1
16
1
VOUT
ANALOG OUT
I2
D0
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
Td
Tdigout
16
D0
Digital Output Mode
ANALOG OUT
Analog Output Mode
[CSCLK Raising/Falling timing]
Tr
Tf
0.7VDD
CSCLK
0.3VDD
MS1600-E-00
- 15 -
2014/05