Datasheet

R/C
BUSY
STATUS
(N+1)th Accquisition
(N+1)th Conversion
Error
Correction
Nth Conversion
Error
Correction
Internal
DATACLK
(N−1)th Conversion Data
DATA
Nth Conversion Data
(N+2)th Accquisition
1 2 16216
D15 D0 D15 D0
TAG = 0 TAG = 0
TAG = 0
8 starts READ
CS
, EXT/INT, and TAG are tied low
t
w1
t
d1
t
w2
t
d3
t
d11
t
d2
t
d3
t
w1
t
d1
t
w2
t
d11
t
d2
t
conv
t
acq
t
conv
t
acq
t
d4
t
d4
t
c1
t
d5
t
d6
1
BUSY
STATUS
(N+1)th Accquisition (N+1)th Conversion
Error
Correction
Nth Conversion
Error
Correction
External
DATACLK
DATA
Nth Data (N+1)th Data
(N+2)th Accquisition
TAG = 0
No more
data to
shift out
No more
data to
shift out
TAG = 0
TAG = 0
TAG = 0
TAG = 0
R/C
EXT/INT tied high, CS and TAG are tied low
t
w1
+ t
su1
starts READ
t
w1
t
w1
t
d1
t
w2
t
d1
t
w2
t
d3
t
d11
t
d2
t
d3
t
d11
t
d2
t
su1
t
conv
t
acq
t
conv
t
acq
t
su3
t
su1
t
su3
1
16
1
2 16
1 16
1
2
16
ADS8509
SLAS324C –OCTOBER 2004–REVISED APRIL 2010 www.ti.com
PARAMETER MEASUREMENT INFORMATION (continued)
Figure 2. Basic Conversion Timing (Internal DATACLK - Read Previous Data During Conversion)
Figure 3. Basic Conversion Timing (External DATACLK)
8 Copyright © 2004–2010, Texas Instruments Incorporated
Product Folder Link(s): ADS8509