AD7927 Analog Devices, AD7927 Datasheet - Page 23

• Manufacturer Part Number: AD7927
• Description: 8-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 20-Lead TSSOP
• Manufacturer: Analog Devices

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

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