Datasheet

www.ti.com
PARAMETER MEASUREMENT INFORMATION
1 2
t
su1
t
su1
CS
R/C
External
DATACLK
CS Set Low, Discontinuous Ext DATACLK
t
su1
t
su1
R/C
CS
External
DATACLK
R/C Set Low, Discontinuous Ext DATACLK
t
su2
t
su2
CS
R/C
t
su3
BUSY
External
DATACLK
CS Set Low, Discontinuous Ext DATACLK
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 12212
D11 D0 D11 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
ADS8508
SLAS433 – SEPTEMBER 2005
Figure 1. Critical Timing
Figure 2. Basic Conversion Timing - Internal DATACLK (Read Previous Data During Conversion)
7