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DDC232CGXGR Datasheet(数据表) 24 Page - Texas Instruments

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部件型号  DDC232CGXGR
说明  32-Channel, Current-Input Analog-to-Digital Converter
下载  34 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
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DDC232CGXGR Datasheet(HTML) 24 Page - Texas Instruments

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 24 page
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t
INT
* tSDCV ) tSDCV ) tHDDODV
(20
32)t
DCLK
DCLK
DVALID
CONV
DOUT
Side B
Data
Side A
Data
t
INT
t
SDCV
t
SDCV
t
HDDODV
t
INT
t
INT
DDC232
SBAS331D – AUGUST 2004 – REVISED APRIL 2010
www.ti.com
RETRIEVAL BEFORE AND AFTER CONV
TOGGLES (CONTINUOUS MODE)
(4)
For the absolute maximum time for data retrieval,
NOTE: (16 × 32)tDCLK is used for Format = 0.
data can be retrieved before and after CONV toggles.
Nearly all of tINT is available for data retrieval.
For tINT = 400ms and DCLK = 10MHz, the maximum
Figure 22 illustrates how this is done by combining
number
of
DDC232s
is
five
(or
seven
for
the two previous methods. Pause the retrieval during
Format = 0).
CONV toggling to prevent digital noise, as discussed
previously, and finish before the next data are ready.
The maximum number of DDC232s that can be
daisy-chained together with Format = 1 is:
Figure 22. Readback Before and After CONV Toggles
24
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Copyright © 2004–2010, Texas Instruments Incorporated
Product Folder Link(s): DDC232




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