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| 型號(hào)： | AD8018ARU-EVAL |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 5 V, Rail-to-Rail, High-Output Current, xDSL Line Drive Amplifier |
| 中文描述： | 5伏，軌到軌，高輸出電流，xDSL線路驅(qū)動(dòng)器放大器 |
| 文件頁(yè)數(shù)： | 1/19頁(yè) |
| 文件大小： | 339K |
| 代理商： | AD8018ARU-EVAL |
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Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD8018
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2000
5 V, Rail-to-Rail, High-Output Current,
xDSL Line Drive Amplifier
FEATURES
Ideal xDSL Line Drive Amplifier for USB, PCMCIA, or
PCI-Based Customer Premise Equipment (CPE). The
AD8018 provides maximum reach on 5 V supply,
driving 16 dBm of power into a back-terminated,
transformer-coupled 100 while maintaining –82 dBc
of out-of-band SFDR.
Rail-to-Rail Output Voltage and High Output Current
Drive
400 mA Output Current into Differential Load of 10
@ 8 V p-p
Low Single-Tone Distortion
–86 dBc Worst Harmonic, 6 V p-p into Differential 10
@ 100 kHz
Low Noise
4.5 nV/
√
Hz
Voltage Noise Density, 100 kHz
Out-of-Band SFDR = –82 dBc, 144 kHz to 500 kHz,
R
LOAD
= 12.5
, P
LINE
= 13 dBm
Low-Power Operation
3.3 V to 8 V Power Supply Range
Two Logic Bits for Standby and Shutdown
Low Supply Current of 9 mA/Amplifier (Typ)
Current Feedback Amplifiers
High Speed
130 MHz Bandwidth (–3 dB)
300 V/ s Slew Rate
APPLICATIONS
xDSL USB, PCI, PCMCIA Cards
Consumer DSL Modems
Twisted Pair Line Driver
PRODUCT DESCRIPTION
The AD8018 is intended for use in single-supply (5 V) xDSL
modems where high-output current and low distortion are
essential to achieve maximum reach. The dual high-speed
amplifiers are capable of driving low distortion signals to within
0.5 V of the power supply rail. Each amplifier can drive 400 mA
of current into 10
(differential) while maintaining –82 dBc
out-of-band SFDR. The AD8018 is available with flexible standby
and shutdown modes. Two digital logic bits (PWDN1 and
PWDN0) may be used to put the AD8018 into one of three
modes: full power, standby (outputs low impedance), and
shutdown (outputs high impedance).
Fabricated with ADI’s high-speed XFCB (eXtra Fast Comple-
mentary Bipolar) process, the high bandwidth and fast slew rate
of the AD8018 keep distortion to a minimum, while dissipat-
ing a minimum of power. The quiescent current of the AD8018
is a low 9 mA/amplifier. The AD8018 drive capability comes in
compact 8-lead Thermal Coastline SOIC and 14-lead TSSOP
packages. Low-distortion, rail-to-rail output voltage, and high-
current drive in small packages make the AD8018 ideal for use
in low-cost USB, PCMCIA, and PCI Customer Premise Equip-
ment for ADSL, SDSL, VDSL, and proprietary xDSL systems.
Both models will operate over the temperature range –40
°
C to
+85
°
C.
10
1nF
5V
750
V
IN
10
1nF
750
750
0.01 F
0.01 F
V
REF
0.01 F
100
100
10k
10k
P
16dBm
R1
3.1
R2
3.1
R
L
= 100
LINE-
POWER
13dBm
TRANSFORMER
1:4
10k
10k
Figure 2. Single-Supply Voltage Differential Drive Circuit
for xDSL Applications
8-Lead SOIC
(Thermal Coastline)
V
S
–IN2
IN2
6
5
7
8
OUT2
OUT1
–IN1
IN1
–V
S
1
2
3
4
AD8018AR
PIN CONFIGURATIONS
14-Lead TSSOP
OUT1
–
IN1
IN1
–
V
S
PWDN1
V
S
OUT2
–
IN2
IN2
PWDN0
DGND
AD8018ARU
6
5
7
8
1
2
3
4
9
14
13
12
11
10
NC
NC
NC
NC = NO CONNECT
P
LINE
–
dBm
S
–
–
70
–
80
–
90
–
60
–
50
–
40
–
30
4
18
6
8
10
12
14
16
N = 4.0
V
S
= 3.3V
V
S
= 5V
V
S
= 8V
Figure 1. Out-of-Band SFDR vs. ADSL Upstream Line Power;
V
S
= 5 V, N = 4 Turns, 144 kHz to 500 kHz. See Evaluation
Board Schematics in Figure 11.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD8018ARU-REEL | 5 V, Rail-to-Rail, High-Output Current, xDSL Line Drive Amplifier |
| AD8018 | RESISTOR-FIXED, METAL |
| AD8018AR | 5 V, Rail-to-Rail, High-Output Current, xDSL Line Drive Amplifier |
| AD8018ARU | 5 V, Rail-to-Rail, High-Output Current, xDSL Line Drive Amplifier |
| AD8018AR-REEL | 5 V, Rail-to-Rail, High-Output Current, xDSL Line Drive Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8018ARU-REEL | 制造商:Analog Devices 功能描述:ADSL Driver Dual 14-Pin TSSOP T/R 制造商:Rochester Electronics LLC 功能描述:TSSOP DUAL+5V HISPD HIOUTPUTCURRENT AMP - Tape and Reel |
| AD8018ARU-REEL7 | 制造商:Analog Devices 功能描述:ADSL Driver Dual 14-Pin TSSOP T/R 制造商:Rochester Electronics LLC 功能描述:TSSOP DUAL+5V HISPD HIOUTPUTCURRENT AMP - Tape and Reel |
| AD8018ARUZ | 功能描述:IC LINE DRIVER XDSL R-R 14TSSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:線路收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):5/3 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:918 (CN2011-ZH PDF) 其它名稱:296-25096-6 |
| AD8018ARUZ-REEL | 功能描述:IC LINE DRIVER XDSL R-R 14TSSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件 |
| AD8018ARUZ-REEL7 | 功能描述:IC LINE DRIVER XDSL R-R 14TSSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件 |
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