參數(shù)資料
型號(hào): AD9774
廠商: Analog Devices, Inc.
英文描述: 14-Bit,32 MSPS DAC with 4× Interpolation Filters(14位的,輸入數(shù)據(jù)數(shù)率為32MSPS的具有內(nèi)插濾波器的D/A轉(zhuǎn)換器)
中文描述: 14位,4 × 32 MSPS的DAC的插補(bǔ)濾波器(14位的,輸入數(shù)據(jù)數(shù)率為32MSPS的具有內(nèi)插濾波器的的D / A轉(zhuǎn)換器)
文件頁(yè)數(shù): 8/24頁(yè)
文件大?。?/td> 325K
代理商: AD9774
1
10
–60
–90
0
128.0
25.6
51.2
76.8
102.4
0
–50
–70
–80
–30
–40
–10
–20
“INBAND”
MHz
Figure 4. Single Tone Spectral Plot
@ 32 MSPS w/f
OUT
= 12.8 MHz (DC to
4
×
CLKIN)
1
10
–60
–90
0
64.0
12.8
25.6
38.4
51.2
–70
–80
0
–50
–30
–40
–10
–20
“INBAND”
MHz
Figure 7. Single Tone Spectral Plot
@ 16 MSPS w/f
OUT
= 6.4 MHz (DC to
4
×
CLKIN)
1
10
–60
–90
0
32.0
6.4
12.8
19.2
25.6
0
–50
–70
–80
–30
–40
–10
–20
MHz
Figure 10. Single Tone Spectral Plot
f
OUT
@ 8 MSPS w/f
OUT
= 3.2 MHz (DC
to 4
×
CLKIN)
AD9774
–8–
REV. B
Typical AC Characterization Curves
(AVDD = +5 V, PLLVDD = +3 V, DVDD = +3 V, I
OUTFS
= 20 mA, 50
V
Doubly Terminated Load, Differential Output, T
A
= +25
8
C, unless otherwise
noted. Note: PLLVDD = +5 V and DVDD = +5 V for Figures 4, 5 and 6.)
f
OUT
– MHz
S
90
60
0
2
14
4
6
8
10
12
85
80
75
70
65
0dBFS
–6dBFS
–18dBFS
–12dBFS
Figure 5. “Inband” SFDR vs. f
OUT
@ 32 MSPS (DC to CLKIN/2)
f
OUT
– MHz
S
90
600
1
7
2
3
4
5
6
85
80
75
70
65
0dBFS
–6dBFS
–12dBFS
–18dBFS
Figure 8. “Inband” SFDR vs. f
OUT
@ 16 MSPS (DC to CLKIN/2)
f
OUT
– MHz
S
90
600
0.5
3.5
1
1.5
2
2.5
3
85
80
75
70
65
0dBFS
–6dBFS
–12dBFS
–18dBFS
Figure 11. “Inband” SFDR vs. f
OUT
@ 8 MSPS (DC to CLKIN/2)
f
OUT
– MHz
S
85
350
2
14
4
6
8
10
12
80
55
50
45
40
70
60
75
65
0dBFS
–6dBFS
–12dBFS
–18dBFS
Figure 6. “Out-of-Band” SFDR vs. f
OUT
@ 32 MSPS (CLKIN/2 to 3 1/2 CLKIN)
f
OUT
– MHz
S
85
350
1
7
2
3
4
5
6
80
55
50
45
40
70
60
75
65
0dBFS
–6dBFS
–12dBFS
–18dBFS
Figure 9. “Out-of-Band” SFDR vs.
f
OUT
@ 16 MSPS (CLKIN/2 to 3 1/2
CLKIN)
f
OUT
– MHz
S
85
350
0.5
3.5
1
1.5
2
2.5
3
80
55
50
45
40
70
60
75
65
0dBFS
–6dBFS
–12dBFS
–18dBFS
Figure 12. “Out-of-Band” SFDR vs.
f
OUT
@ 8 MSPS (CLKIN/2 to 3 1/2
CLKIN)
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