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參數(shù)資料
| 型號： | AD8398ACPZ-R7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 12/12頁 |
| 文件大小： | 0K |
| 描述： | IC LINE DRVR DUAL VDSL 16-LFCSP |
| 特色產(chǎn)品： | AD8398A: Single Port VDSL2 Line Driver with Shutdown |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 驅(qū)動器 |
| 驅(qū)動器/接收器數(shù)： | 2/0 |
| 規(guī)程： | xDSL |
| 電源電壓： | 12V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 16-LFCSP-WQ（4x4） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | AD8398ACPZ-R7DKR |
AD8398A
Rev. D | Page 9 of 12
MULTITONE POWER RATIO
The discrete multitone (DMT) signal used in xDSL systems
carries data in discrete tones or bins that appear in the frequency
domain in evenly spaced 4.3125 kHz intervals. In applications
using this type of waveform, multitone power ratio (MTPR) is
a commonly used measure of linearity. Generally, designers are
concerned with two types of MTPR: in band and out of band.
In-band MTPR is defined as the measured difference from the
peak of one tone that is loaded with data to the peak of an adjacent
tone that is intentionally left empty. Out-of-band MTPR is
defined as the spurious emissions that occur in the receive bands.
Transmit band power and receive band MTPR are shown in
and ADSL2+, respectively.
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
07
76
0-
0
10
FREQUENCY (MHz)
O
UT
P
UT
P
O
W
E
R
(
d
B)
04
28
612
10
16
14
20
18
Figure 13. MTPR of a Typical VDSL2 Profile 17a DMT Test Signal,
VS = ±6 V, Output Power = 14.5 dBm
07
76
0-
0
20
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
01
23
45
67
89
10
O
UT
P
UT
P
O
W
E
R
(
d
Bm
/Hz
)
FREQUENCY (MHz)
Figure 14. MTPR of a Typical VDSL2 Profile 8b DMT Test Signal,
VS = ±6 V, Output Power = 20.4 dBm
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
07
76
0-
0
12
FREQUENCY (MHz)
O
UT
P
UT
P
O
W
E
R
(
d
B)
0
0.5
1.0
1.5
2.0
2.5
3.0
Figure 15. MTPR of a Typical ADSL2+ DMT Test Signal,
VS = ±6 V, Output Power = 20.4 dBm
LIGHTNING AND AC POWER FAULT
DSL line drivers are transformer-coupled to the twisted pair
telephone line. In this environment, the AD8398A may be
subject to large line transients resulting from events such as
lightning strikes or downed power lines. Additional circuitry
is required to protect the AD8398A from possible damage due
to these events.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8398ACPZ-RL | 功能描述:IC LINE DRIVER DUAL VDSL 16LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
| AD8398ACPZ-TR | 制造商:Analog Devices 功能描述:DUAL WIDEBAND HI OUTPUT CURRENT OPAMP - Tape and Reel |
| AD83C151C-12 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:CMOS 0 to 36 MHz Single Chip 8-bit Microcontroller |
| AD83C151C-16 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:CMOS 0 to 36 MHz Single Chip 8-bit Microcontroller |
| AD83C151C-20 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:CMOS 0 to 36 MHz Single Chip 8-bit Microcontroller |
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