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DDC232 Datasheet(PDF) 21 Page - Texas Instruments

Part # DDC232
Description  32-Channel, Current-Input Analog-to-Digital Converter
PDF  35 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

DDC232 Datasheet(HTML) 21 Page - Texas Instruments

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Sensor
DIN
DOUT
DDC232
Data
Retrieval
Output
Data Clock
DIN
DOUT
DDC232
DIN
DOUT
DDC232
DIN
DOUT
DDC232
CLK
DVALID
DCLK
DIN
t
STDIDC
t
HDDIDC
DOUT
Input
128
MSB
Input
128
MSB
Input
128
LSB
Input
127
MSB
Input3
LSB
Input2
MSB
Input2
LSB
Input1
MSB
Input1
LSB
DDC232
www.ti.com
SBAS331D – AUGUST 2004 – REVISED APRIL 2010
Cascading Multiple Converters
Figure 19 shows the timing diagram when the DIN
input is used to daisy-chain several devices. Table 14
Multiple DDC232 units can be connected in serial
gives the timing specification for data retrieval using
configuration; see Figure 18.
DIN.
DOUT can be used with DIN to daisy-chain multiple
DDC232 devices together to minimize wiring. In this
mode of operation, the serial data output is shifted
through multiple DDC232s; see Figure 18.
Figure 18. Daisy-Chained DDC232s
Figure 19. Timing When Using DDC232 DIN Function; See Figure 18
Table 14. Timing for DDC232 Data Retrieval Using DIN
SYMBOL
DESCRIPTION
MIN
TYP
MAX
UNITS
tSTDIDC
Set-Up Time from DIN to Falling Edge of DCLK
10
ns
tHDDIDC
Hold Time for DIN After Falling Edge of DCLK
10
ns
Copyright © 2004–2010, Texas Instruments Incorporated
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