AD7621 Analog Devices, AD7621 Datasheet - Page 25

• Manufacturer Part Number: AD7621
• Description: 16-Bit, 2 LSB INL, 3 MSPS PulSAR® ADC
• Manufacturer: Analog Devices

Specifications of AD7621

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 3MSPS
• Interface: Byte,Par,Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

SDOUT
CNVST
BUSY
SCLK
SDOUT
CS
BUSY
SCLK
SDIN
CS
t
16
t
3
t
t
16
31
t
31
t
33
X
Figure 41. Slave Serial Data Timing for Reading (Read Previous Conversion During Convert)
t
X
36
1
t
t
36
1
35
D15
t
t
35
37
D15
X15
t
Figure 40. Slave Serial Data Timing for Reading (Read After Convert)
37
t
34
2
2
EXT/INT = 1
D14
t
D14
EXT/INT = 1
X14
32
t
32
3
3
D13
X13
D13
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INVSCLK = 0
14
INVSCLK = 0
14
15
15
X1
D1
D1
16
RD = 0
RD = 0
16
D0
X0
17
D0
X15
Y15
18
Y14
X14
AD7621