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ISL26312 View Datasheet(PDF) - Intersil

Part Name
Description
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ISL26312 Datasheet PDF : 23 Pages
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ISL26310, ISL26311, ISL26312, ISL26313, ISL26314, ISL26315, ISL26319
ADC STATE
Power-Up Idle Acquisition
tACQ
CNV
SCLK
Conversion N
Conversion
tDATA
tSCLK
tSCLKH
Conversion N+1
Idle Acquisition
Conversion
tCNV
tCNV_CLK
SDI
SDO
Hi-Z State
tSCLKL
D15 D14 . . . D5 D4
Configuration N+1
tSDI_H
tSDI_SU
D14 . . . D5 D4
Configuration N+2
MSB MSB-1 . . . D1 LSB
Conversion Result N-1
MSB MSB-1 . . . D1
Conversion Result N
FIGURE 34. TIMING DIAGRAM FOR READING DURING CONVERSION MODE WITH EOC ON SDO OUTPUT
Idle
tSDO_V
ADC STATE
Conversion N
Conversion N+1
Power-Up Idle Acquisition
Conversion
Idle
Acquisition
Conversion
Idle
CNV
tACQ
SCLK
tCNV
tSCLKH
tDATA
tCNV_SCLK
SDI
SDO
tSCLK
tSCLKL
D15 D14
Hi-Z State
D13 D12 . . .
Configuration N+1
MSB MSB-1
MSB-1 MSB-2 . . .
Conversion Result N-1
D4
D1 LSB
D15 D14
D13
Configuration N+2
tSDI_H
D12
. . . D4
tSDI_SU
MSB MSB-1
MSB-1 MSB-2 . . . D1
tSDO_V
Conversion Result N
Note: Transition from Acquisition to Conversion mode may occur after any integer number of clock cycles (provided that the minimum tACQ is satisfied).
FIGURE 35. TIMING DIAGRAM FOR READING SPANNING CONVERSIONS MODE WITH EOC ON SDO OUTPUT
ADC STATE
Power-Up Idle
CNV
Conversion N
Acquisition
Conversion
Idle
SCLK
SDI
D15 D14 . . . D5
D4
Configuration N+1
Hi-Z State
SDO
MSB MSB-1 . . . D1 LSB Cfg15 Cfg14 . . . Cfg1 Cfg0
Conversion Result N-1 Configuration settings of N-1 Result
FIGURE 36. TIMING DIAGRAM FOR READING AFTER CONVERSION WITH REGISTER READBACK, WITHOUT EOC
19
FN7549.1
July 3, 2012
 

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