CMOS 1.8 V to 5.5 V, 2.5
SPDT Switch/2:1 Mux in Tiny SC70 Package
ADG779
FEATURES FUNCTIONAL BLOCK DIAGRAM
1.8 V to 5.5 V single supply
ADG779
2.5 on resistance
S2
D
0.75 on-resistance flatness
S1
3 dB bandwidth >200 MHz
Rail-to-rail operation
IN
6-lead SC70 package
Fast switching times SWITCHES SHOWN FOR
A LOGIC 1 INPUT
tON 20 ns
Figure 1.
t 6 ns
OFF
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 replacements
GENERAL DESCRIPTION
PRODUCT HIGHLIGHTS
The ADG779 is a monolithic CMOS SPDT (single-pole,
double-throw) switch. This switch is designed on a submicron
1. Tiny 6-Lead SC70 Package.
process that provides low power dissipation yet gives high
2. 1.8 V to 5.5 V Single-Supply Operation. The ADG779
switching speed, low on resistance, and low leakage currents.
offers high performance, including low on resistance and
The ADG779 operates from a single supply range of 1.8 V to
fast switching times, and is fully specified and guaranteed
5.5 V, making it ideal for use in battery-powered instruments
with 3 V and 5 V supply rails.
and with the new generation of DACs and ADCs from Analog
3. Very Low RON (5 max at 5 V, 10 max at 3 V). At 1.8 V
Devices, Inc.
operation, R is typically 40 over the temperature range.
ON
Each switch of the ADG779 conducts equally well in both
4. On-Resistance Flatness (R ) (0.75 typ).
directions when on. The ADG779 exhibits break-before-make FLAT (ON)
switching action.
5. 3 dB Bandwidth > 200 MHz.
Because of the advanced submicron process, 3 dB bandwidth
6. Low Power Dissipation. CMOS construction ensures low
of greater than 200 MHz can be achieved.
power dissipation.
The ADG779 is available in a 6-lead SC70 package.
7. 14 ns Switching Times.
Rev. A
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02491-001ADG779* PRODUCT PAGE QUICK LINKS
Last Content Update: 09/22/2017
COMPARABLE PARTS DESIGN RESOURCES
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PCN-PDN Information
DOCUMENTATION
Quality And Reliability
Data Sheet
Symbols and Footprints
ADG779: CMOS 1.8 V to 5.5 V, 2.5 SPDT Switch/2:1 Mux
In Tiny SC70 Package Data Sheet
DISCUSSIONS
View all ADG779 EngineerZone Discussions.
TOOLS AND SIMULATIONS
ADG779 SPICE Macro Model
SAMPLE AND BUY
Visit the product page to see pricing options.
REFERENCE MATERIALS
Product Selection Guide
TECHNICAL SUPPORT
Switches and Multiplexers Product Selection Guide
Submit a technical question or find your regional support
Technical Articles number.
CMOS Switches Offer High Performance in Low Power,
Wideband Applications
DOCUMENT FEEDBACK
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Enhanced Multiplexing for MEMS Optical Cross Connects
Temperature monitor measures three thermal zones
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