AD7663 Analog Devices, AD7663 Datasheet - Page 18

• Manufacturer Part Number: AD7663
• Manufacturer: Analog Devices

Specifications of AD7663

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 250kSPS
• Interface: Par,Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni
• Ain Range: Bip (Vref),Bip (Vref) x 2,Bip (Vref) x 4,Uni (Vref),Uni (Vref) x 2,Uni (Vref) x 4
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

AD7663
SDOUT
CS, RD
CNVST
SDOUT
CS, RD
CNVST
BUSY
SYNC
SCLK
BUSY
SYNC
SCLK
Figure 18. Master Serial Data Timing for Reading (Read Previous Conversion during Convert)
t
16
Figure 17. Master Serial Data Timing for Reading (Read after Convert)
t
3
t
t
t
t
t
15
14
16
14
15
t
t
29
17
X
t
t
22
18
t
EXT/INT = 0
EXT/INT = 0
1
t
3
t
D15
20
1
X
t
22
t
19
t
21
t
20
D14
t
2
23
D15
1
t
t
19
18
RDC/SDIN = 0
RDC/SDIN = 1
D14
t
3
t
21
2
23
–18–
t
28
3
14
D2
INVSCLK = INVSYNC = 0
INVSCLK = INVSYNC = 0
14
D2
15
D1
15
D1
16
t
24
t
16
30
D0
t
24
D0
t
t
t
t
t
t
25
25
27
26
26
27
REV. B