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| ADS8509_14 Datasheet, PDF (8/32 Pages) Texas Instruments – 16-BIT 250-KSPS SERIAL CMOS SAMPLING ANALOG-TO-DIGITAL CONVERTER | |||
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ADS8509
SLAS324C â OCTOBER 2004 â REVISED APRIL 2010
PARAMETER MEASUREMENT INFORMATION (continued)
www.ti.com
tw1
R/C
td1
tw2
tw1
td1
tw2
BUSY
td3
STATUS
Nth Conversion
Error
Correction
td2
td3
td11
(N+1)th Accquisition
(N+1)th Conversion
Error
Correction
td2
td11
(N+2)th Accquisition
Internal
DATACLK
tconv
td4
tc1
12
16
td5
td6
DATA
TAG = 0
D15
D0
(Nâ1)th Conversion Data
CS, EXT/INT, and TAG are tied low
tacq
tconv
td4
12
16
TAG = 0
D15
D0
Nth Conversion Data
8 starts READ
tacq
TAG = 0
Figure 2. Basic Conversion Timing (Internal DATACLK - Read Previous Data During Conversion)
tw1
R/C
td1
tw2
tw1
td1
tw2
BUSY
td3
STATUS
Nth Conversion
td11
Error
Correction
td2
td3
(N+1)th Accquisition
td11
(N+1)th
Conversion
Error
Correction
td2
(N+2)th Accquisition
tconv
tacq
tconv
tacq
tsu1
External
DATACLK
1
16
tsu3
12
tsu1
16
1
16
tsu3
12
16
DATA TAG = 0
No more
data to
shift out
TAG = 0
Nth Data
TAG = 0
No more
data to
shift out
TAG = 0
EXT/INT tied high, CS and TAG are tied low
tw1 + tsu1 starts READ
Figure 3. Basic Conversion Timing (External DATACLK)
(N+1)th Data
TAG = 0
8
Copyright © 2004â2010, Texas Instruments Incorporated
Product Folder Link(s): ADS8509
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