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參數資料
| 型號： | AD8391AR-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | xDSL Line Driver 3 V to 12 V with Power-Down |
| 中文描述： | DUAL LINE DRIVER, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數： | 14/20頁 |
| 文件大小： | 278K |
| 代理商： | AD8391AR-REEL |
REV. 0
AD8391
–14–
Generating DMT Signals
At this time, DMT-modulated waveforms are not typically menu-
selectable items contained within arbitrary waveform generators.
Even using AWG software to generate DMT signals, AWGs that
are available today may not deliver DMT signals sufficient in
performance with regard to MTPR due to limitations in the
D/A converters and output drivers used by AWG manufacturers.
MTPR evaluation requires a DMT signal generator capable of
delivering MTPR performance better than that of the driver under
evaluation. Generating DMT signals can be accomplished using a
Tektronics AWG 2021 equipped with option 4, (12-/24-bit, TTL
Digital Data Out), digitally coupled to Analog Devices
’
AD9754,
a 14-bit TxDAC, buffered by an AD8002 amplifier configured
as a differential driver. Note that the DMT waveforms, available
on the Analog Devices website (www.analog.com) are similar.
WFM files are needed to produce the necessary digital data
required to drive the TxDAC from the optional TTL Digital
Data output of the TEK AWG2021.
Video Driver
The AD8391 can be used as a noninverting amplifier by applying a
signal at the V
MID
pin and grounding the gain resistors. See
Figure 9 for an example circuit. The signal applied to the V
MID
pin would be present at both outputs, making this circuit ideal
for any application where one signal needs to be sent to two
different locations, such as a video distribution system. As previ-
ously stated, the AD8391 can operate on split supplies in this
case, eliminating the need for ac-coupling.
The termination resistor should be 76.8
to maintain a 75
input impedance.
V
MID
–
V
S
1
75
75
75
75
909
909
909
909
76.8
V
EE
V
IN
+3V
+V
S
V
CC
10 F
0.1 F
0.1 F
0.1 F
10 F
+
+
–
+
AD8391
–
+
2
3
4
8
7
6
5
Figure 9. Driving Two Video Loads from the Same Source
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相關代理商/技術參數 |
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|---|---|
| AD8391AR-REEL7 | 功能描述:IC XDSL LINE DVR W/PWR DN 8-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:1,140 系列:AU 類型:收發器 驅動器/接收器數:1/1 規程:CAN 電源電壓:5.3 V ~ 27 V 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:14-SO 包裝:管件 其它名稱:935267940512AU5790D14AU5790D14-ND |
| AD8391ARZ | 制造商:Analog Devices 功能描述:SP Amp Line Driver Amp Dual ±6V/12V 8-Pin SOIC N Tube |
| AD8392 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Power, High Output Current, Quad Op Amp, Dual-Channel ADSL/ADSL2+ Line Driver |
| AD8392A | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Power, High Output Current, Quad Op Amp, Dual-Channel ADSL/ADSL2+ Line Driver |
| AD8392AACPZ-R2 | 制造商:Analog Devices 功能描述:ADSL Driver Quad 32-Pin LFCSP EP T/R 制造商:Analog Devices 功能描述:ADSL DRVR QUAD 32LFCSP EP - Tape and Reel |
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