Datasheet

1 2 14 15 16 17
24
25
26
27 28 29
30
SCLK
CS
D5 D4 D3 D2 D1 D0
SDO
Sample
N
Sample
N+1
t
ACQ
t
CONV
DatafromSampleN
31 32
D11 D10
23
18
1 2 11 12 16 17
24
25
26
27 28 29
30
SCLK
CS
D3 D2 D1 D0
SDO
Sample
N
Sample
N+1
t
ACQ
t
CONV
DatafromSampleN
31 32
D9 D8
23
18
1 2 9 10 16 17
24
25
26
27 28 29
30
SCLK
CS
D1 D0
SDO
Sample
N
Sample
N+1
t
ACQ
t
CONV
DatafromSampleN
31 32
D7 D6
23
18
ADS7947
ADS7948
ADS7949
SLAS708 –SEPTEMBER 2010 www.ti.com
32-CLOCK FRAME
Figure 46 through Figure 48 show the devices operating in 32-clock mode. In this mode, the devices convert and
output the data from the most recent sample before taking the next sample.
Figure 46. ADS7947 Operation in 32-Clock Frame without Power-Down (PDEN = 0)
Figure 47. ADS7948 Operating in 32-Clock Frame without Power-Down (PDEN = 0)
Figure 48. ADS7949 Operating in 32-Clock Frame without Power-Down (PDEN = 0)
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