Datasheet
(N+1)
ConverterState
EOC
EOS
EOC
EOS
ReadResult
N
Wakeup Power-DownSample N
³ 3CCLK
Conversion N
=18CCLK
Wakeup Power-DownSample (N+1)
³ 3CCLK
Conversion (N+1)
=18CCLK
CS
CS
CONVST
ReadWhileConverting
ReadWhileSampling
ReadResult
(N 1)-
t
H2
ReadResult
(N 1)-
t
SU2
Note
(1)
Note
(1)
t
H2
t
SU2
ReadResult
N
EOC
(activelow)
MANUALTRIGGERCASE1(WakeupUsing ):CONVST
N
Note
(2)
Note
(2)
³ 6CCLK ³ 6CCLK
t
SU1
t
SU1
t
WL1
(N+1)
ConverterState
EOC
EOS
EOC
EOS
ReadResult
N
Wakeup Power-DownSample N
³ 3CCLK
Conversion N
=18CCLK
Wakeup Power-DownSample (N+1)
³ 3CCLK
Conversion (N+1)
=18CCLK
CS
CS
CONVST
ReadWhileConverting
ReadWhileSampling
ReadResult
(N 1)-
t
H2
ReadResult
(N 1)-
t
SU2
Note
(1)
Note
(1)
t
H2
t
SU2
ReadResult
N
EOC
(activelow)
MANUALTRIGGERCASE2(WakeupUsingWakeupCommand):
N
t
SU1
t
SU1
t
WL1
Note
(2)
Note
(2)
ADS8331
ADS8332
SBAS363C –DECEMBER 2009–REVISED MAY 2012
www.ti.com
(1) Time between end of conversion and Nap Power-Down mode is 1 CCLK.
(2) Command on SDI to wake up converter (minimum of four SCLKs).
Figure 45. Read While Converting vs Read While Sampling with Auto-Nap Power-Down
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