參數(shù)資料
型號: AD9854ASTZ
廠商: Analog Devices Inc
文件頁數(shù): 6/52頁
文件大?。?/td> 0K
描述: IC DDS QUADRATURE CMOS 80-LQFP
產(chǎn)品培訓(xùn)模塊: 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
標(biāo)準(zhǔn)包裝: 1
分辨率(位): 12 b
主 fclk: 300MHz
調(diào)節(jié)字寬(位): 48 b
電源電壓: 3.14 V ~ 3.47 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-LQFP(14x14)
包裝: 托盤
產(chǎn)品目錄頁面: 552 (CN2011-ZH PDF)
配用: AD9854/PCBZ-ND - BOARD EVAL FOR AD9854
AD9854
Rev. E | Page 14 of 52
Figure 16 and Figure 17 show the narrow-band performance of the AD9854 when operating with a 200 MHz reference clock with the
REFCLK multiplier bypassed vs. a 20 MHz reference clock and the REFCLK multiplier enabled at 10×.
0
CENTER 39.1MHz
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
5kHz/
SPAN 50kHz
00
63
6-
01
6
Figure 16. Narrow-Band SFDR, 39.1 MHz, 50 kHz BW,
200 MHz REFCLK with REFCLK Multiplier Bypassed
0
CENTER 39.1MHz
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
5kHz/
SPAN 50kHz
00
63
6-
01
7
Figure 17. Narrow-Band SFDR, 39.1 MHz, 50 kHz BW,
20 MHz REFCLK with REFCLK Multiplier = 10×
–100
–110
–150
–120
–130
–140
–160
–170
P
HAS
E
NO
IS
E
(
d
B
c/
Hz
)
AOUT = 80MHz
AOUT =5MHz
FREQUENCY (Hz)
10
1M
100
100k
10k
1k
00
63
6-
0
18
Figure 18. Residual Phase Noise,
300 MHz REFCLK with REFCLK Multiplier Bypassed
FREQUENCY (Hz)
–90
–100
–140
–110
–120
–130
–150
–160
10
1M
100
100k
10k
1k
PH
A
SE
N
O
IS
E
(d
B
c/
H
z)
AOUT =80MHz
AOUT =5MHz
00
63
6-
01
9
Figure 19. Residual Phase Noise,
30 MHz REFCLK with REFCLK Multiplier = 10×
DAC CURRENT (mA)
55
0
5
10
15
20
25
S
F
DR
(
d
Bc)
54
53
52
51
50
49
48
00
63
6-
0
20
Figure 20. SFDR vs. DAC Current, 59.1 AOUT,
300 MHz REFCLK with REFCLK Multiplier Bypassed
FREQUENCY (MHz)
620
0
S
UP
P
LY
C
URRE
NT
(m
A)
615
610
605
600
595
590
20
40
60
80
100
120
140
00
63
6-
021
Figure 21. Supply Current vs. Output Frequency (Variation Is Minimal,
Expressed as a Percentage, and Heavily Dependent on Tuning Word)
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