Файл:AD8017.pdf

Материал из РадиоВики - энциклопедии радио и электроники
Перейти к: навигация, поиск
Выкупить рекламный блок
Ссылка на страницу индекса

a

Dual High Output Current, High Speed Amplifier AD8017 PIN CONFIGURATION 8-Lead Thermal Coastline SOIC (SO-8)

FEATURES High Output Drive Capability 20 V p Differential Output Voltage, RL = 50 ⍀ 10 V p Single-Ended Output Voltage While Delivering 200 mA to a 25 ⍀ Load Low Power Operation +5 V to +12 V Voltage Supply @ 7 mA/Amplifier Low Distortion –78 dBc @ 500 kHz SFDR, RL = 100 ⍀, V O = 2 V p –58 dBc Highest Harmonic @ 1 MHz, IO = 270 mA (RL = 10 ⍀) High Speed 160 MHz, –3 dB Bandwidth (G = +2) 1600 V/␮s Slew Rate

AD8017

OUT1 1 –IN1 2

– +

+IN1 3 –VS 4

+VS

7

– +

8

OUT2

6

–IN2

5

+IN2

OUTPUT VOLTAGE SWING – V p

12

APPLICATIONS xDSL PCI Cards Consumer DSL Modems Line Driver Video Distribution

VS = ؎6V

10

8

6

4 VS = ؎2.5V 2

0 10 100 LOAD RESISTANCE – ⍀

1

1000

Figure 1. Output Swing vs. Load Resistance

PRODUCT DESCRIPTION

The AD8017 is a low cost, dual high speed amplifier capable of driving low distortion signals to within 1.0 V of the supply rail. It is intended for use in single supply xDSL systems where low distortion and low cost are essential. The amplifiers will be able to drive a minimum of 200 mA of output current per amplifier. The AD8017 will deliver –78 dBc of SFDR at 500 kHz, required for many xDSL applications. Fabricated in ADI’s high speed XFCB process, the high bandwidth and fast slew rate of the AD8017 keep distortion to a minimum, while dissipating a minimum amount of power. The quiescent current of the AD8017 is 7 mA/amplifier. Low distortion, high output voltage drive, and high output current drive make the AD8017 ideal for use in low cost Customer Premise End (CPE) equipment for ADSL, SDSL, VDSL and proprietary xDSL systems.

The AD8017 drive capability comes in a very compact form. Utilizing ADI’s proprietary Thermal Coastline SOIC package, the AD8017’s total (static and dynamic) power on +12 V supplies is easily dissipated without external heatsink, other than to place the AD8017 on a 4-layer PCB. The AD8017 will operate over the commercial temperature range 0°C to +85°C. +VS +

R1

VIN

+

RL = 100⍀ OR 135⍀

VREF

LINE VOUT POWER IN dB

R2 – NP:NS TRANSFORMER

– –VS

Figure 2. Differential Drive Circuit for xDSL Applications

REV. 0 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.

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., 1998


1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Перейти на страницу


Исходный файл(2550 × 3300 пикселей, размер файла: 212 КБ, MIME-тип: application/pdf, 16 страниц)

Importing file

История файла

Нажмите на дату/время, чтобы просмотреть, как тогда выглядел файл.

Дата/времяМиниатюраРазмерыУчастникПримечание
текущий16:49, 19 мая 2014Миниатюра для версии от 16:49, 19 мая 20142550 × 3300, 16 страниц (212 КБ)Maintenance script (обсуждение)Importing file
  • Вы не можете перезаписать этот файл.

Нет страниц, ссылающихся на данный файл.

Метаданные