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AD7381 Datasheet(PDF) 6 Page - Analog Devices

Part # AD7381
Description  Differential Input, Quad, External Reference Simultaneous Sampling, 16-Bit, SAR ADC
PDF  31 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7381 Datasheet(HTML) 6 Page - Analog Devices

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AD7380-4
Data Sheet
Rev. 0 | Page 6 of 31
Timing Diagrams
SCLK
1
2
3
4
5
6
7
8
9
10
11
12
13
15
14
16
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
SDI
CS
SDOA
TRISTATE
TRISTATE
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
TRISTATE
tSDOEN
tSCLKED
tSCLKH
tSCLKL
tCYC
tSDIS
tSDIH
tSDOH
tSDOS
tSDOT
tSCLKCS
tQUIET
tCSH
tSCLK
TRISTATE
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
SDOB
Figure 2. Serial Interface Timing Diagram
CS
CONVERSION
CONVERSION
tCONVERT
tACQUIRE
ACQUIRE
ACQUIRE
Figure 3. Internal Conversion Acquire Timing
CS
tPOWERUP
TIME TO ACCURATE CONVERSION
VCC
Figure 4. Power-Up Time to Conversion
CS
tREGWRITE
VCC
SDI
REG WRITE
Figure 5. Power-Up Time to Register Read Write Access
CS
tSTARTUP
SHUTDOWN
MODE
NORMAL
MODE
ACCURATE
CONVERSION
SDI
SHUTDOWN
NORMAL
Figure 6. Shutdown Mode to Normal Mode Timing
CONVERSION
ACQUIRE
ACQUIRE
CS
CONVERSION
ACQUIRE
CONVERSION
ACQUIRE
INTERNAL
CONVERT1
CONVERSION
CONVERT2
CONVERT3
CONVERTx
CONVERT0
Figure 7. Conversion Timing During OS Normal Mode



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