AD9954YSVZ-REEL7 Ver la hoja de datos (PDF) - Analog Devices
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AD9954YSVZ-REEL7 Datasheet PDF : 40 Pages
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FUNCTIONAL BLOCK DIAGRAM
AD9954
FREQUENCY
ACCUMULATOR 32
M
STATIC RAM
RAM
DATA
U
X
1024 × 32 32
32
DDS CORE
PHASE
ACCUMULATOR
Z–1
32
PHASE
OFFSET
19
14
COS(X)
I/O UPDATE
SYNC_CLK
REFCLK
REFCLK
Z–1
32
3
10
0
M
U
X
32
DDS
CLOCK
MUX
RAM DATA 14
<31:18>
θ
TIMING AND CONTROL LOGIC
SYNC
÷4
CONTROL REGISTERS
OSCILLATOR/BUFFER
ENABLE
4× TO 20×
CLOCK
MULTIPLIER
M
U
X
SYSTEM
CLOCK
AD9954
14
DAC
SYSTEM
14
CLOCK
COMPARATOR
DAC_RSET
IOUT
IOUT
SYNC_IN
OSK
PWRDWNCTL
COMP_IN
COMP_IN
COMP_OUT
CRYSTAL OUT
PS<1:0> I/O PORT
Figure 2.
RESET
Rev. B | Page 3 of 40
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