Datasheet

N N+1
Manual Trigger Case 1
EOS
EOC
EOS
EOC
(programmed
Active Low)
Converter
State
Resume
N −th Sampling
>=3CCLK
EOC
EOS
N −th Conversion
=18 CCLK
Resume N+1 −th Sampling
>=3CCLK
EOC
EOS
N+1 −th Conversion
=18 CCLK
Read N−1 −th
Result
20 ns MIN
Read N −th
Result
20 ns MIN
Read N−1 −th
Result
1 CCLK MIN
Read N −th
Result
1 CCLK MIN
Converter
State
Resume N −th Sampling
>=3CCLK
EOC
N −th Conversion
=18 CCLK
Resume
N+1 −th Sampling
>=3CCLK
N+1 −th Conversion
=18 CCLK
Read N−1 −th
Result
20 ns MIN
Read N −th
Result
20 ns MIN
Read N−1 −th
Result
20 ns MIN
Read N −th
Result
20 ns MIN
40 ns MIN
EOC
(programmed
Active Low)
N N+1
40 ns MIN
POWERDOWN POWERDOWN
CONVST
CS
Read While Converting
0 ns MIN
CONVST
CS
Read While Sampling
POWER
DOWN
POWER
DOWN
CS
Read While Converting
Read While Sampling
CS
0 ns MIN
Manual Trigger Case 2 (wake up by CONVST)
6 CCLKs
6 CCLKs
20 ns MIN
20 ns MIN
20 ns MIN20 ns MIN
20 ns MIN
20 ns MIN
20 ns MIN
20 ns MIN
ADS8327
ADS8328
SLAS415E – APRIL 2006– REVISED JANUARY 2011 www.ti.com
Figure 58. Read While Converting versus Read While Sampling with Auto Nap Power-Down
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