AVDD, AVDD3, and DVDD at nominal supply voltage; DAC R
參數(shù)資料
型號： AD9912A/PCBZ
廠商： Analog Devices Inc
文件頁數(shù)： 3/40頁
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR AD9912
產品培訓模塊： 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
標準包裝： 1
主要目的： 計時，直接數(shù)字合成（DDS）
嵌入式： 否
已用 IC / 零件： AD9912
主要屬性： 14 位數(shù)模轉換器，48 位調節(jié)字寬
次要屬性： 1GHz 圖形用戶界面
已供物品： 板
AD9912
Rev. F | Page 11 of 40
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD, AVDD3, and DVDD at nominal supply voltage; DAC RSET = 10 kΩ, unless otherwise noted. See Figure 26 for 1 GHz reference
phase noise used for generating these plots.
06
76
3-
0
03
0
100
200
300
400
500
OUTPUT FREQUENCY (MHz)
–50
–55
–60
–65
–70
–75
–80
SF
D
R
(d
B
c
)
+25°C
–40°C
+85°C
06
76
3-
0
06
0
100
200
300
400
500
FREQUENCY (MHz)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
S
IG
NAL
P
O
W
E
R
(d
Bm)
98.6MHz
–67dBc
500MHz
3kHz
10kHz
CARRIER:
SFDR:
FREQ. SPAN:
RESOLUTION BW:
VIDEO BW:
Figure 3. Wideband SFDR vs. Output Frequency at 40°C, +25°C, and +85°C,
SYSCLK = 1 GHz (SYSCLK PLL Bypassed)
Figure 6. Wideband SFDR at 98.6 MHz,
SYSCLK = 1 GHz (SYSCLK PLL Bypassed)
06
76
3-
0
04
0
100
200
300
400
500
OUTPUT FREQUENCY (MHz)
–50
–55
–60
–65
–70
–75
–80
SF
D
R
(d
B
c
)
HIGH VDD
NORMAL VDD
LOW VDD
06
76
3-
0
07
0
100
200
300
400
500
FREQUENCY (MHz)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
S
IG
NAL
P
O
W
E
R
(d
Bm)
201.1MHz
–61dBc
500MHz
3kHz
10kHz
CARRIER:
SFDR:
FREQ. SPAN:
RESOLUTION BW:
VIDEO BW:
Figure 4. Variation of Wideband SFDR vs. Frequency over DAC Power Supply
Voltage, SYSCLK = 1 GHz (SYSCLK PLL Bypassed)
Figure 7. Wideband SFDR at 201.1 MHz,
SYSCLK = 1 GHz (SYSCLK PLL Bypassed)
06
76
3-
0
05
0
100
200
300
400
500
FREQUENCY (MHz)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
S
IG
NAL
P
O
W
E
R
(d
Bm)
20.1MHz
–79dBc
500MHz
3kHz
10kHz
CARRIER:
SFDR:
FREQ. SPAN:
RESOLUTION BW:
VIDEO BW:
06
76
3-
0
08
0
100
200
300
400
500
FREQUENCY (MHz)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
S
IG
NAL
P
O
W
E
R
(d
Bm)
398.7MHz
–59dBc
500MHz
3kHz
10kHz
CARRIER:
SFDR:
FREQ. SPAN:
RESOLUTION BW:
VIDEO BW:
Figure 5. Wideband SFDR at 20.1 MHz,
SYSCLK = 1 GHz (SYSCLK PLL Bypassed)
Figure 8. Wideband SFDR at 398.7 MHz,
SYSCLK = 1 GHz (SYSCLK PLL Bypassed)
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