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a

ADG779

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

Tel: 781/329-4700

www.analog.com

Fax: 781/326-8703

© Analog Devices, Inc., 2001

CMOS 1.8 V to 5.5 V, 2.5

SPDT Switch/2:1 Mux In Tiny SC70 Package

FUNCTIONAL BLOCK DIAGRAM

IN

ADG779

S2

S1

D

SWITCHES SHOWN FOR

A LOGIC "1" INPUT

FEATURES

1.8 V to 5.5 V Single Supply

2.5

On Resistance

0.75

On-Resistance Flatness

–3 dB Bandwidth >200 MHz

Rail-to-Rail Operation

6-Lead SC70 Package

Fast Switching Times

Typical Power Consumption (<0.01

W)

TTL/CMOS-Compatible

APPLICATIONS

Battery-Powered Systems

Communication Systems

Sample Hold Systems

Audio Signal Routing

Video Switching

Mechanical Reed Relay Replacement

GENERAL DESCRIPTION

The ADG779 is a monolithic CMOS SPDT (single-pole,

double-throw) switch. This switch is designed on a submi-

cron process that provides low power dissipation yet gives

high switching speed, low on resistance and low leakage

currents.

The ADG779 operates from a single supply range of 1.8 V

to 5.5 V, making it ideal for use in battery-powered instru-

ments and with the new generation of DACs and ADCs from

Analog Devices.

Each switch of the ADG779 conducts equally well in both

directions when on. The ADG779 exhibits break-before-make

switching action.

Because of the advanced submicron process, –3 dB bandwidth

of greater than 200 MHz can be achieved.

The ADG779 is available in a 6-lead SC70 package.

PRODUCT HIGHLIGHTS

1. Tiny 6-Lead SC70 Package.

2. 1.8 V to 5.5 V Single Supply Operation. The ADG779

offers high performance, including low on resistance and

fast switching times, and is fully specified and guaranteed

with 3 V and 5 V supply rails.

Ω max at 5 V, 10 Ω max at 3 V). At 1.8 V

Ω over the temperature range.

Ω typ).

5. –3 dB Bandwidth >200 MHz.

6. Low Power Dissipation. CMOS construction ensures low

power dissipation.

7. 14 ns Switching Times.