参数资料
型号: ADA4320-1ACPZ-R7
厂商: Analog Devices Inc
文件页数: 2/16页
文件大小: 0K
描述: IC LINE DVR CATV 5V 24LFCSP
标准包装: 1
应用: CATV
输出类型: 差分
电路数: 1
电流 - 电源: 260mA
电压 - 电源,单路/双路(±): 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘,CSP
供应商设备封装: 24-LFCSP-VQ EP(4x5)
包装: 标准包装
其它名称: ADA4320-1ACPZ-R7DKR
ADA4320-1
Rev. A | Page 10 of 16
–24
–28
–32
–36
–40
–44
–48
–52
–56
–60
–64
–68
–72
A
D
JACE
N
T
CHA
NNE
L
P
O
W
E
R
A
T
IO
(
d
Bc)
25
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
INPUT LEVEL (dBmV)
CURRENT LEVEL 0
CURRENT LEVEL 1
CURRENT LEVEL 2
CURRENT LEVEL 3
SINGLE QPSK CHANNEL
GAIN CODE 42 (14dB)
CHANNEL WIDTH = 6.4MHz
DRIVEN CHANNEL CENTER = 42 MHz
ADJACENT CHANNEL WIDTH = 6.4 MHz
ADJACENT CHANNEL CENTER = 48.4 MHz
08
707
-01
8
Figure 17. ACPR vs. Input Level for a Single QPSK Channel
–10
–80
–70
–60
–50
–40
–30
–20
A
D
JACE
N
T
CHA
NNE
L
P
O
W
E
R
A
T
IO
(
d
Bc)
59
71
70
69
68
67
66
65
64
63
62
61
60
OUTPUT LEVEL (dBmV)
CURRENT LEVEL 0
CURRENT LEVEL 1
CURRENT LEVEL 2
CURRENT LEVEL 3
SINGLE QPSK CHANNEL
GAIN CODE 60 (MAXIMUM)
CHANNEL WIDTH = 6.4MHz
DRIVEN CHANNEL CENTER = 42MHz
ADJACENT CHANNEL WIDTH = 6.4MHz
ADJACENT CHANNEL CENTER = 48.4MHz
08
707
-02
0
Figure 18. ACPR vs. Output Level for a Single QPSK Channel
8
6
–8
–6
–4
–2
0
2
4
O
UT
P
UT
AM
P
L
IT
UD
E
(
V
)
–2
18
14
16
12
10
8
6
4
2
0
TIME (s)
4× QAM64 CHANNELS (UNCORRELATED)
OUTPUT LEVEL = 53dBmV/CHANNEL
CHANNEL WIDTH = 1.6MHz
CHANNEL CENTERS = 39.6MHz, 41.2MHz, 42.8MHz, 44.4MHz)
TXEN
PEAK OUTPUT
ENVELOPE
087
07
-022
Figure 19. Transmit Enable/Disable Response
–22
–70
–64
–58
–52
–46
–40
–34
–28
A
D
JACE
N
T
CHA
NNE
L
P
O
W
E
R
A
T
IO
(
d
Bc)
12
31
29 30
28
27
26
25
24
23
22
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20
19
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14
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INPUT LEVEL (dBmV/CHANNEL)
CURRENT LEVEL 0
CURRENT LEVEL 1
CURRENT LEVEL 2
CURRENT LEVEL 3
4× QAM64 CHANNELS (UNCORRELATED)
GAIN CODE 42 (14dB)
CHANNEL WIDTH = 1.6MHz
DRIVEN CHANNEL CENTER = 77.8MHz, 79.4MHz,
81.0MHz, 82.6MHz
ADJACENT CHANNEL WIDTH = 1.6MHz
ADJACENT CHANNEL CENTER = 84.2MHz
08
707
-01
9
Figure 20. ACPR vs. Input Level for 4× QAM64 Channels
–10
–80
–70
–60
–50
–40
–30
–20
A
D
JACE
N
T
CHA
NNE
L
P
O
W
E
R
A
T
IO
(
d
Bc)
44
62
60
58
56
54
52
50
48
46
OUTPUT LEVEL (dBmV/CHANNEL)
CURRENT LEVEL 0
CURRENT LEVEL 1
CURRENT LEVEL 2
CURRENT LEVEL 3
4× QAM64 CHANNELS (UNCORRELATED)
GAIN CODE 60 (MAXIMUM)
CHANNEL WIDTH = 1.6MHz
DRIVEN CHANNEL CENTER = 77.8MHz, 79.4MHz,
81.0MHz, 82.6MHz
ADJACENT CHANNEL WIDTH = 1.6MHz
ADJACENT CHANNEL CENTER = 84.2MHz
08
707
-02
1
Figure 21. ACPR vs. Output Level for 4x QAM64 Channels
120
100
80
60
40
20
0
OU
T
P
U
T
GLIT
C
H
A
M
P
L
IT
U
D
E
(
m
V
p
-p)
06
48
54
42
36
30
24
18
12
6
GAIN CODE
0
TXEN = 1
TXEN = 0
DOCSIS 3.0 LIMIT (FOR 29dBmV INPUT)
087
07
-023
Figure 22. Output Glitch Amplitude vs. Gain Code
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