AD7927 Analog Devices, AD7927 Datasheet - Page 23
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AD7927
Manufacturer Part Number
AD7927
Description
8-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 20-Lead TSSOP
Manufacturer
Analog Devices
Datasheet
1.AD7927.pdf
(28 pages)
Specifications of AD7927
Resolution (bits)
12bit
# Chan
8
Sample Rate
200kSPS
Interface
Ser,SPI
Analog Input Type
SE-Uni
Ain Range
Uni (Vref),Uni (Vref) x 2
Adc Architecture
SAR
Pkg Type
SOP
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Data Sheet
DOUT
SCLK
DIN
CS
THREE-
STATE
ZERO
t
2
V
DOUT
IN
SCLK
t
1
0
3
DIN
CS
ADD2
3 IDENTIFICATION BITS
t
9
V
SEQUENCE 1
IN
1
2
ADD1
1
VALID DATA
V
Figure 27. Writing to Shadow Register Timing Diagram
IN
2
3
16
ADD0
V
Figure 28. General Timing Diagram
IN
3
t
4
CYCLE
t
DB11
CONVERT
t
4
t
Rev. C | Page 23 of 28
6
V
5µs MINIMUM
IN
4
t
5
10
DB10
V
IN
5
1
POWER-UP
t
7
13
16
SEQUENCE 2
DB2
V
IN
5
14
t
5
DB1
1
VALID DATA
t
QUIET
V
IN
15
6
MINIMUM
16
t
DB0
8
V
IN
16
7
t
THREE-STATE
11
C
AD7927