参数资料
型号: AD9954YSVZ-REEL7
厂商: Analog Devices Inc
文件页数: 23/40页
文件大小: 0K
描述: IC DDS DAC 14BIT 1.8V 48TQFP
产品培训模块: Direct Digital Synthesis Tutorial Series (1 of 7): Introduction
Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action
Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter
Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction
Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter
Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator
标准包装: 500
分辨率(位): 14 b
主 fclk: 400MHz
调节字宽(位): 32 b
电源电压: 1.71 V ~ 1.96 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 48-TQFP 裸露焊盘
供应商设备封装: 48-TQFP 裸露焊盘(7x7)
包装: 带卷 (TR)
配用: AD9954/PCBZ-ND - BOARD EVAL FOR 9954
AD9954
Rev. B | Page 3 of 40
FUNCTIONAL BLOCK DIAGRAM
FREQUENCY
ACCUMULATOR
STATIC RAM
1024 × 32
COS(X)
CONTROL REGISTERS
OSCILLATOR/BUFFER
COMPARATOR
SYNC
ENABLE
I/O UPDATE
DAC_RSET
DDS CORE
PHASE
OFFSET
PHASE
ACCUMULATOR
Z–1
IOUT
OSK
PWRDWNCTL
COMP_OUT
COMP_IN
REFCLK
CRYSTAL OUT
I/O PORT
PS<1:0>
RAM DATA
<31:18>
DDS
CLOCK
RAM
DATA
DE
L
T
A
F
RE
Q
UE
NCY
T
UNI
NG
W
O
RD
F
RE
Q
UE
NCY
T
UNI
NG
W
O
RD
RA
M
DA
T
A
DD
S
CL
O
CK
DE
L
T
A
F
RE
Q
U
E
NCY
RAM
P
RAT
E
CL
E
AR
P
HAS
E
ACCU
M
UL
AT
O
R
DAC
MUX
SYSTEM
CLOCK
SYSTEM
CLOCK
SYNC_IN
SYNC_CLK
RESET
TIMING AND CONTROL LOGIC
4× TO 20×
CLOCK
MULTIPLIER
÷4
AD9954
32
14
32
R
A
M
A
D
R
E
S
10
RAM
CO
NT
RO
L
3
19
14
0
32
M
U
X
M
U
X
M
U
X
03
37
4-
00
1
θ
Figure 2.
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