Datasheet
BUSY
STATUS
(N+1)th Accquisition
Error
Correction
Nth Conversion
External
DATACLK
DATA
Nth Conversion Data
SYNC
D15
2 3 4 5 1716 18
TAG
T01
D05D10D12D13D14
T00 T04T03T02 T13T12T11T06 T16T15T14 TyyT17
76 13 14 1512
D11
T05
D00D04 D03 D02 D01
Txx
=0
0 1
T00
Null
R/C
EXT/INT tied high, CS tied low
t
w1
+ t
su1
starts READ
t
w1
t
su1
t
su1
t
d1
t
d1
t
d3
t
d11
t
d2
t
w2
t
d3
t
conv
t
acq
t
su1
t
su3
t
c2
t
w4
t
w3
t
c2
t
d7
t
d8
t
su3
t
h1
t
d8
t
su1
BUSY
STATUS
Error
Correction
Nth Conversion
External
DATACLK
DATA
Nth Conversion Data
SYNC = 0
D15
2 3 4 5 1716 18
D05D10D12D13D14
76 13 14 1512
D11 D00D04 D03 D02 D01
0 1
R/C
EXT/INT tied high, CS and TAG tied low
t
w1
+ t
su1
Starts READ
TAG is not recommended for this mode. There is not enough
time to do so without violating t
d11
.
t
w1
t
w2
t
d1
t
d3
t
d10
t
su3
t
su1
t
su1
t
w3
t
d7
t
c2
t
d8
t
c2
t
w4
t
su1
t
d8
t
d11
t
conv
t
d2
ADS8509
SLAS324C –OCTOBER 2004–REVISED APRIL 2010
www.ti.com
PARAMETER MEASUREMENT INFORMATION (continued)
Figure 6. Read After Conversion With SYNC (Discontinuous External DATACLK)
Figure 7. Read During Conversion With SYNC (Discontinuous External DATACLK)
10 Copyright © 2004–2010, Texas Instruments Incorporated
Product Folder Link(s): ADS8509