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| 型號(hào)： | AD9865BCPZRL1 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Broadband Modem Mixed-Signal Front End |
| 中文描述： | 寬帶調(diào)制解調(diào)器混合信號(hào)前端 |
| 文件頁(yè)數(shù)： | 14/48頁(yè) |
| 文件大小： | 1672K |
| 代理商： | AD9865BCPZRL1 |
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AD9865
Rev. A | Page 14 of 48
0
INPUT FREQUENCY (MHz)
S
T
–6
0
6
12
18
24
30
36
42
48
61.0
60.5
60.0
59.5
59.0
58.5
58.0
57.5
57.0
56.5
56.0
–52
–54
–56
–58
–60
–62
–64
–66
–68
–70
–72
SNR @ 3.13V
SNR @ 3.3V
SNR @ 3.47V
THD @ 3.13V
THD @ 3.3V
THD @ 3.47V
Figure 15. SNR and THD vs. Input Frequency and Supply
( LPF f
3 dB
= 26 MHz; RxPGA = 0 dB)
0
RxPGA GAIN (dB)
I
μ
V
N
–6
0
6
12
18
24
30
36
42
48
109.4
98.5
87.5
76.6
65.6
54.7
43.8
32.8
21.9
10.9
0
20
18
16
14
12
10
8
6
4
2
0
AD9865: +25
°
C
AD9865: +85
°
C
AD9865: –40
°
C
Figure 16. Input Referred Integrated Noise and Noise Spectral Density vs.
RxPGA Gain (LPF f
3 dB
= 26 MHz)
0
GAIN (dB)
D
–6
0
6
12
18
24
30
36
42
48
5
–5
–4
–3
–2
–1
0
1
2
3
4
DEVICE 1
DEVICE 2
DEVICE 3
DEVICE 4
Figure 17. Rx DC Offset vs. RxPGA Gain
0
INPUT FREQUENCY (MHz)
S
T
20
30
40
50
60
70
80
60.0
55.0
–20
–70
–60
–50
–40
–30
55.5
56.0
56.5
57.0
57.5
58.0
58.5
59.0
59.5
SNR @ 3.13V
SNR @ 3.3V
SNR @ 3.46V
THD @ 3.13V
THD @ 3.3V
THD @ 3.46V
Figure 18. SNR and THD vs. Sample Rate and Supply
(LPF Disabled; RxPGA = 0 dB;
f
IN
= 8 MHz)
0
CUTOFF FREQUENCY (MHz)
S
0
10
20
30
40
50
60
70
80
45
44
43
42
41
40
39
38
Figure 19. SNR vs. Filter Cutoff Frequency
(50 MSPS; f
IN
= 5 MHz; AIN =
1 dB; RxPGA = 48 dB)
0
RxPGA GAIN (dB)
G
–6
0
6
12
18
24
30
36
42
48
0.5
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
AD9865: GAIN STEP ERROR @ +25
°
C
AD9865: GAIN STEP ERROR @ +85
°
C
AD9865: GAIN STEP ERROR @ –40
°
C
Figure 20. RxPGA Gain Step Error vs. Gain (f
IN
= 10 MHz)
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AD9865CHIPS | 制造商:AD 制造商全稱:Analog Devices 功能描述:Broadband Modem Mixed-Signal Front End |
| AD9865-EB | 制造商:Analog Devices 功能描述:MODEM, BROADBAND MODEM MIXED SGNL FRONT END - Bulk |
| AD9866 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Broadband Modem Mixed-Signal Front End |
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| AD9866BCPRL | 制造商:Analog Devices 功能描述:Mixed Signal Front End 64-Pin LFCSP EP T/R |
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