AD8047

更新时间： 2024-11-28 22:53:31

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器
页数	文件大小	规格书
16页	480K
描述
250 MHz, General Purpose Voltage Feedback Op Amps

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AD8047 数据手册

250 MHz, General Purpose

Voltage Feedback Op Amps

AD8047/AD8048

FEATURES

Wide Bandwidth

Small Signal

FUNCTIONAL BLOCK DIAGRAM

8-Pin Plastic Mini-DIP (N), Cerdip (Q)

and SO (R) Packages

AD8047, G = +1 AD8048, G = +2

250 MHz

260 MHz

160 MHz

Large Signal (2 V p-p) 130 MHz

5.8 mA Typical Supply Current

Low Distortion, (SFDR) Low Noise

–66 dBc typ @ 5 MHz

–54 dBc typ @ 20 MHz

5.2 nV/√Hz (AD8047), 3.8 nV/√Hz (AD8048) Noise

Drives 50 pF Capacitive Load

–INPUT

+INPUT

OUTPUT

AD8047/48

–V

(Top View)

High Speed

NC = NO CONNECT

Slew Rate 750 V/µs (AD8047), 1000 V/µs (AD8048)

Settling 30 ns to 0.01%, 2 V Step

±3 V to ±6 V Supply Operation

APPLICATIONS

Low Power ADC Input Driver

Differential Amplifiers

IF/RF Amplifiers

Pulse Amplifiers

Professional Video

DAC Current to Voltage Conversion

Baseband and Video Communications

Pin Diode Receivers

The AD8047 and AD8048’s low distortion and cap load drive

make the AD8047/AD8048 ideal for buffering high speed

ADCs. They are suitable for 12 bit/10 MSPS or 8 bit/60 MSPS

ADCs. Additionally, the balanced high impedance inputs of the

voltage feedback architecture allow maximum flexibility when

designing active filters.

The AD8047 and AD8048 are offered in industrial (–40°C to

+85°C) temperature ranges and are available in 8-pin plastic

DIP and SOIC packages.

Active Filters/Integrators

PRODUCT DESCRIPTION

The AD8047 and AD8048 are very high speed and wide band-

width amplifiers. The AD8047 is unity gain stable. The

AD8048 is stable at gains of two or greater. The AD8047 and

AD8048, which utilize a voltage feedback architecture, meet the

requirements of many applications that previously depended on

current feedback amplifiers.

A proprietary circuit has produced an amplifier that combines

many of the best characteristics of both current feedback and

voltage feedback amplifiers. For the power (6.6 mA max) the

AD8047 and AD8048 exhibit fast and accurate pulse response

(30 ns to 0.01%) as well as extremely wide small signal and

large signal bandwidth and low distortion. The AD8047

achieves –54 dBc distortion at 20 MHz and 250 MHz small sig-

nal and 130 MHz large signal bandwidths.

5ns

Figure 1. AD8047 Large Signal Transient Response,

V_O= 4 V p-p, G = +1

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: 617/329-4700

Fax: 617/326-8703

12 3 4 5 6 7...16

中文翻译

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与AD8047相关器件

型号	品牌	获取价格	描述	数据表
AD8047_03	ADI	获取价格	250 MHz, General Purpose Voltage Feedback Op Amps
AD8047_15	ADI	获取价格	250 MHz, General Purpose Voltage Feedback Op Amps
AD8047AN	ADI	获取价格	250 MHz, General Purpose Voltage Feedback Op Amps
AD8047ANZ	ADI	获取价格	250 MHz, General Purpose Voltage Feedback Op Amps
AD8047ANZ	ROCHESTER	获取价格	OP-AMP, 4000 uV OFFSET-MAX, PDIP8, ROHS COMPLIANT, PLASTIC, DIP-8
AD8047AR	ADI	获取价格	250 MHz, General Purpose Voltage Feedback Op Amps
AD8047AR	ROCHESTER	获取价格	1 CHANNEL, VIDEO AMPLIFIER, PDSO8, PLASTIC, SOIC-8
AD8047AR-REEL	ADI	获取价格	250 MHz, General Purpose Voltage Feedback Op Amps
AD8047AR-REEL7	ADI	获取价格	250 MHz, General Purpose Voltage Feedback Op Amps
AD8047AR-REEL7	ROCHESTER	获取价格	OP-AMP, 4000 uV OFFSET-MAX, PDSO8, PLASTIC, SOIC-8

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