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參數(shù)資料
| 型號： | AD8391 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | xDSL Line Driver 3 V to 12 V with Power-Down |
| 中文描述： | xDSL線路驅動，3V至12V，并有電源關斷功能 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 278K |
| 代理商： | AD8391 |
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use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
a
Tel: 781/329-4700Fax: 781/326-8703
Analog Devices, Inc., 2001AD8391
xDSL Line Driver
3 V to 12 V with Power-Down
PRODUCT DESCRIPTION
The AD8391 consists of two parallel, low cost xDSL line drive
amplifiers capable of driving low distortion signals while running on
both 3 V to 12 V single-supply or equivalent dual-supply rails. It is
primarily intended for use in single-supply xDSL systems where low
power is essential, such as line powered and battery backup systems.
Each amplifier output drives more than 250 mA of current while
maintaining
–
82 dBc of SFDR at 100 kHz on 12 V, outstanding
performance for any xDSL CPE application.
The AD8391 provides a flexible power-down feature consisting of
a 1-pin digital control line. This allows biasing of the AD8391 to
full power (Logic
“
1
”
), Standby (Logic
“
tri-state
”
maintains low
amplifier output impedance), and Shutdown (Logic
“
0
”
places
amplifier outputs in a high impedance state). PWDN is refer-
enced to
–
V
S
.
Fabricated on ADI
’
s high-speed XFCB process, the high bandwidth
and fast slew rate of the AD8391 keep distortion to a minimum,
while dissipating a minimum of power. The quiescent current of the
AD8391 is low; 19 mA total static current draw. The AD8391
comes in a compact 8-lead SOIC
“
Thermal Coastline
”
package, and
operates over the temperature range
–
40
°
C to +85
°
C.
FREQUENCY – kHz
U
25
250
137.5
EMPTY BIN
Figure 1. Upstream Transit Spectrum with Empty Bin
at 45 kHz; Line Power = 12.5 dBm into 100
PIN CONFIGURATION
8-Lead SOIC
(Thermal Coastline)
IN2
V
MID
–
V
S
V
OUT
2
1
2
3
4
IN1
PWDN
+V
S
V
OUT
1
AD8391
V
MID
V
S
V
S
8
7
6
5
FEATURES
Ideal xDSL Line Driver for VoDSL or Low Power
Applications such as USB, PCMCIA, or PCI-Based
Customer Premise Equipment (CPE)
High Output Voltage and Current Drive
340 mA Output Drive Current
Low Power Operation
3 V to 12 V Power Supply Range
1-Pin Logic Controlled Standby, Shutdown
Low Supply Current of 19 mA (Typical)
Low Distortion
–82 dBc SFDR, 12 V p-p into Differential 21 @ 100 kHz
4.5 nV/
√
Hz
Input Voltage Noise Density, 100 kHz
Out-of-Band SFDR = –72 dBc, 144 kHz to 500 kHz,
Z
LINE
= 100
, P
LINE
= 13.5 dBm
High Speed
40 MHz Bandwidth (–3 dB)
375 V/ s Slew Rate
APPLICATIONS
VoDSL Modems
xDSL USB, PCI, PCMCIA Cards
Line Powered or Battery Backup xDSL Modems
相關PDF資料 |
PDF描述 |
|---|---|
| AD8391AR | xDSL Line Driver 3 V to 12 V with Power-Down |
| AD8391AR-EVAL | xDSL Line Driver 3 V to 12 V with Power-Down |
| AD8391AR-REEL | xDSL Line Driver 3 V to 12 V with Power-Down |
| AD8391AR-REEL7 | xDSL Line Driver 3 V to 12 V with Power-Down |
| AD8392ARE-REEL | Low Power, High Output Current, Quad Op Amp, Dual-Channel ADSL/ADSL2+ Line Driver |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD8391AR | 制造商:Analog Devices 功能描述:SP Amp Line Driver Amp Dual ±6V/12V 8-Pin SOIC N Tube 制造商:Rochester Electronics LLC 功能描述:SOIC XDSL LINE DRIVE AMPLIFIERS W/PWR DN - Bulk |
| AD8391AR-EVAL | 制造商:Analog Devices 功能描述:Evaluation Board For XDSL Line Driver 3 V To 12 V With Power-Down |
| AD8391AR-REEL | 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(fā)器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:收發(fā)器 驅動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-PDIP 包裝:管件 產品目錄頁面:1402 (CN2011-ZH PDF) |
| 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(fā)器 系列:- 標準包裝:1,140 系列:AU 類型:收發(fā)器 驅動器/接收器數(shù):1/1 規(guī)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 |
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