REV. D

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

AD8002

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

World Wide Web Site: www.analog.com

Fax: 781/326-8703

© Analog Devices, Inc., 2001

Dual 600 MHz, 50 mW

Current Feedback Amplifier

FEATURES

, G = +2)

Gain Flatness 0.1 dB to 60 MHz

0.01% Differential Gain Error

0.02 Differential Phase Error

Low Power

5.5 mA/Amp Max Power Supply Current (55 mW)

High Speed and Fast Settling

600 MHz, –3 dB Bandwidth (G = +1)

500 MHz, –3 dB Bandwidth (G = +2)

1200 V/ s Slew Rate

16 ns Settling Time to 0.1%

Low Distortion

–66 dB SFDR, f = 5 MHz

–60 dB Crosstalk, f = 5 MHz

High Output Drive

Over 70 mA Output Current

Drives Up to Eight Back-Terminated 75

Loads

(Four Loads/Side) While Maintaining Good

Differential Gain/Phase Performance (0.01%/0.17 )

Available in 8-Lead Plastic DIP, SOIC and

SOIC Packages

APPLICATIONS

A-to-D Driver

Video Line Driver

Differential Line Driver

Professional Cameras

Video Switchers

Special Effects

RF Receivers

FUNCTIONAL BLOCK DIAGRAM

8-Lead Plastic DIP, SOIC, and

SOIC

OUT1

–IN1

+IN1

V–

V+

OUT2

–IN2

+IN2

1

2

3

4

8

7

6

5

AD8002

PRODUCT DESCRIPTION

The AD8002 is a dual, low-power, high-speed amplifier designed

to operate on

±5 V supplies. The AD8002 features unique trans-

impedance linearization circuitry. This allows it to drive video

loads with excellent differential gain and phase performance on

only 50 mW of power per amplifier. The AD8002 is a current

feedback amplifier and features gain flatness of 0.1 dB to 60 MHz

while offering differential gain and phase error of 0.01% and

0.02

°. This makes the AD8002 ideal for professional video

electronics such as cameras and video switchers. Additionally,

the AD8002’s low distortion and fast settling make it ideal for

buffer high-speed A-to-D converters.

±5 V) and can run on a single 12 V power supply, while capable

of delivering over 70 mA of load current. It is offered in an

8-lead plastic DIP, SOIC, and

µSOIC package. These features

make this amplifier ideal for portable and battery-powered

applications where size and power are critical.

The outstanding bandwidth of 600 MHz along with 1200 V/

µs

of slew rate make the AD8002 useful in many general purpose

high speed applications where dual power supplies of up to

±6 V

and single supplies from 6 V to 12 V are needed. The AD8002 is

available in the industrial temperature range of –40

°C to +85°C.

1M

10M

1G

100M

0

–0.5

–0.1

–0.2

–0.3

–0.4

0.1

1

–4

–9

–5

–6

–7

–8

–3

–2

–1

0

FREQUENCY – Hz

SIDE 1

SIDE 2

SIDE 1

SIDE 2

G = +2

Figure 1. Frequency Response and Flatness, G = +2

G = +2

1V STEP

SIDE 1

200mV

SIDE 2

5ns

Figure 2. 1 V Step Response, G = +1