參數(shù)資料
型號: AD9709
廠商: Analog Devices, Inc.
英文描述: 8-Bit, 125 MSPS Dual TxDAC D/A Converter
中文描述: 8位,125 MSPS的TxDAC系列雙D / A轉換
文件頁數(shù): 7/27頁
文件大?。?/td> 466K
代理商: AD9709
REV. 0
AD9709
–7–
Typical Characterization Curves
(AVDD = 5 V, DVDD = 3.3 V, I
OUTFS
= 20 mA, 50
otherwise noted)
Doubly Terminated Load, Differential Output, T
A
= 25 C, SFDR up to Nyquist, unless
S
75
70
60
65
45
1
10
100
f
OUT
MHz
0.1
50
55
f
CLK
= 5MSPS
f
CLK
= 65MSPS
f
CLK
= 125MSPS
f
CLK
= 25MSPS
Figure 3. SFDR vs. f
OUT
@ 0 dBFS
12dBFS
f
OUT
MHz
S
45
0
5
25
10
15
20
70
65
60
55
50
30
35
0dBFS
6dBFS
75
Figure 6. SFDR vs. f
OUT
@ 65 MSPS
A
OUT
dBFS
S
2
5MSPS/0.46MHz
25
19
7
65
40
50
45
55
60
16
70
22
13
10
4
1
75
10MSPS/0.91MHz
25MSPS/2.27MHz
65MSPS/5.91MHz
125MSPS/11.37MHz
Figure 9. Single-Tone SFDR vs. A
OUT
@ f
OUT
= f
CLOCK
/11
S
0
2.5
0.5
1
1.5
2
70
55
50
45
0 dBFS
6 dBFS
12 dBFS
75
f
OUT
MHz
65
60
Figure 4. SFDR vs. f
OUT
@ 5 MSPS
f
OUT
MHz
S
450
10
50
20
30
40
75
70
65
55
50
60
60
70
0dBFS
6dBFS
12dBFS
Figure 7. SFDR vs. f
OUT
@ 125 MSPS
A
OUT
dBFS
S
45
0
20
15
5
65
50
55
40
60
70
10
5MSPS/1.0MHz
75
25
10MSPS/2.0MHz
25MSPS/5.0MHz
65MSPS/13.0MHz
125MSPS/5.0MHz
Figure 10. Single-Tone SFDR vs. A
OUT
@ f
OUT
= f
CLOCK
/5
f
OUT
MHz
S
0
2
12
4
6
8
10
65
60
55
45
50
0dBFS
6dBFS
12dBFS
70
75
Figure 5. SFDR vs. f
OUT
@ 25 MSPS
f
OUT
MHz
S
50
0
10
20
30
75
70
60
55
65
5
15
25
I
OUTFS
= 5mA
I
OUTFS
= 10mA
I
OUTFS
= 20mA
45
35
Figure 8. SFDR vs. f
OUT
and I
OUTFS
@ 65 MSPS and 0 dBFS
A
OUT
dBFS
S
75
0
20
10
5
55
40
25
50
60
15
45
3.3/3.4MHz
@25MSPS
8.8/9.8MHz
@65MSPS
65
70
0.965/1.035MHz
@7MSPS
16.9/18.1Mz
@125MSPS
Figure 11. Dual-Tone SFDR vs. A
OUT
@ f
OUT
= f
CLOCK
/7
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