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AD7634BSTZ Datasheet(PDF) 29 Page - Analog Devices

Part # AD7634BSTZ
Description  18-Bit, 670 kSPS, Differential Programmable Input PulSAR ADC
PDF  33 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7634BSTZ Datasheet(HTML) 29 Page - Analog Devices

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AD7634
Data Sheet
Rev. B | Page 28 of 32
External Clock Data Read After/During Conversion
It is also possible to begin to read data after conversion and
continue to read the last bits after a new conversion is initiated.
This method allows the full throughput and the use of a slower
SDCLK frequency. Again, it is recommended to use a
discontinuous SDCLK whenever possible to minimize potential
incorrect bit decisions. For the different modes, the use of a slower
SDCLK, such as 20 MHz in warp mode, 15 MHz in normal mode,
and 13 MHz in impulse mode, can be used.
SDIN
SDOUT
D0
123
17
18
BUSY
EXT/INT = 1 INVSCLK = 0
CS
SDCLK
4
D2
D1
19
20
MODE[1:0] = 3
RD = 0
16
D17
D16
D15
X17
X16
21
X0
X2
X1
X17
X16
X15
Y17
Y16
t31
t31
X*
t32
t16
t33
t34
t37
t35
t36
*A DISCONTINUOUS SDCLK IS RECOMMENDED.
Figure 44. Slave Serial Data Timing for Reading (Read After Convert)
SDOUT
D0
123
BUSY
EXT/INT = 1
INVSCLK = 0
CS
SDCLK
17
D1
MODE[1:0] = 3
RD = 0
18
D17
D16
t31
t31
t32
t16
t37
t35
t36
CNVST
X*
X*
X*
X*
X*
X*
t27
*A DISCONTINUOUS SDCLK IS RECOMMENDED.
DATA = SDIN
Figure 45. Slave Serial Data Timing for Reading (Read Previous Conversion During Convert)



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