AD5420 Просмотр технического описания (PDF) - Analog Devices
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AD5420 Datasheet PDF : 32 Pages
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Data Sheet
SCLK
LATCH
SDIN
CLEAR
1
2
t2
t1
t3
24
t4
t5
t6
t7
DB23
t9
t8
DB0
AD5410/AD5420
t10
IOUT
Figure 2. Write Mode Timing Diagram
SCLK
1
2
t12
t11
t13
24
t14
t15
1
2
8
9
22
23
24
LATCH
SDIN
SDO
t16
t17
DB23
INPUT WORD SPECIFIES
REGISTER TO BE READ
t18
DB0
DB23
NOP CONDITION
X
X
X
X DB15
DB0
t19
t20
DB0
UNDEFINED DATA
FIRST 8 BITS ARE
DON’T CARE BITS
Figure 3. Readback Mode Timing Diagram
SELECTED REGISTER
DATA CLOCKED OUT
SCLK
LATCH
SDIN
SDO
1
2
24
25
26
t22
t21
t23
48
t24
t25
DB23
INPUT WORD FOR DAC N
DB0
t29
t26
DB23
t27
t28
DB0
INPUT WORD FOR DAC N – 1
DB23
DB0 DB23
DB0
UNDEFINED
INPUT WORD FOR DAC N
Figure 4. Daisy-Chain Mode Timing Diagram
Rev. F | Page 7 of 32
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