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ADG742BKS-REEL
CMOS Low Voltage SPST (NC) Switch in SC-70 Package
REV.0
CMOS Low Voltage� SPST Switches in SC70 Packages
FUNCTIONAL BLOCK DIAGRAMS
FEATURES
1.8 V to 5.5 V Single Supply
2 � (Typ) On Resistance
Low On-Resistance Flatness
–3 dB Bandwidth >200 MHz
Rail-to-Rail Operation
6-Lead SC70
Fast Switching Times
tON18 ns
tOFF12 ns
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 DESCRIPTIONThe ADG741/ADG742 are monolithic CMOS SPST switches.
These switches are designed on an advanced submicron process
that provides low power dissipation yet high switching speed,
low on resistance, low leakage currents and –3 dB bandwidths of
greater than 200 MHz can be achieved.
The ADG741/ADG742 can operate from a single 1.8 V to 5.5 V
supply, making it ideal for use in battery-powered instruments
and with Analog Devices’ new generation of DACs and ADCs.
As can be seen from the Functional Block Diagrams, with a
logic input of “1” the switch of the ADG741 is closed, while
that of the ADG742 is open. Each switch conducts equally well
in both directions when ON.
The ADG741/ADG742 are available in 6-lead SC70 package.
PRODUCT HIGHLIGHTS1.8 V to 5.5 V Single Supply Operation. The ADG741/
ADG742 offer high performance, including low on resistance
and fast switching times and is fully specified and guaranteed
with 3 V and 5 V supply rails.Very Low RON (3 Ω max at 5 V, 5 Ω max at 3 V). At 1.8 V
operation, RON is typically 40 Ω over the temperature range.On-Resistance Flatness RFLAT(ON) (1 Ω max).–3 dB Bandwidth >200 MHz.Low Power Dissipation. CMOS construction ensures low
power dissipation.Fast tON/tOFF.Tiny 6-Lead SC70 package.
ADG741/ADG742–SPECIFICATIONS1(VDD = 5 V � 10%, GND = 0 V. All specifications –40�C to +85�C
unless otherwise noted.)NOTESTemperature ranges are as follows: B Versions: –40°C to +85°C.Guaranteed by design, not subject to production test.
Specifications subject to change without notice.
ADG741/ADG742
(VDD = 3 V � 10%, GND = 0 V. All specifications –40�C to +85�C unless otherwise noted.)NOTES
1Temperature ranges are as follows: B Versions: –40°C to +85°C.
2Guaranteed by design, not subject to production test.
Specifications subject to change without notice.
SPECIFICATIONS1
ADG741/ADG742NOTESStresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational sections
of this specification is not implied. Exposure to absolute maximum rating condi-
tions for extended periods may affect device reliability. Only one absolute maxi-
mum rating may be applied at any one time.Overvoltages at IN, S or D will be clamped by internal diodes. Current should be
limited to the maximum ratings given.
Table I.Truth Table
CAUTIONESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the ADG741/ADG742 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high-energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
ABSOLUTE MAXIMUM RATINGS1(TA = 25°C unless otherwise noted)
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . .–0.3 V to +7 V
Analog, Digital Inputs2 . . . . . . . . . . . . . .–0.3 V to VDD +0.3 V
or 30 mA, Whichever Occurs First
Continuous Current, S or D . . . . . . . . . . . . . . . . . . . . .30 mA
Peak Current, S or D . . . . . . . . . . . . . . . . . . . . . . . . . .100 mA
(Pulsed at 1 ms, 10% Duty Cycle Max)
Operating Temperature Range
Industrial (B Version) . . . . . . . . . . . . . . . . .–40°C to +85°C
Storage Temperature Range . . . . . . . . . . . . .–65°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . .150°C
SC70 Package
θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . .332°C/W
θJC Thermal Impedance . . . . . . . . . . . . . . . . . . . . .120°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . . .215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220°C
ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.5 kV
ORDERING GUIDE*Brand = Brand on these packages is limited to three characters due to space constraints.
PIN CONFIGURATIONS
6-Lead Plastic Surface Mount
(SC70)
TERMINOLOGY
ADG741/ADG742
–Typical Performance CharacteristicsTPC 1.On Resistance as a Function of VD (VS) Single
Supplies
TPC 2.On Resistance as a Function of VD (VS) for
Different Temperatures VDD = 3 V
TPC 3.On Resistance as a Function of VD (VS) for
TPC 4.Supply Current vs. Input Switching Frequency
TPC 5.Off Isolation vs. Frequency
TPC 6.On Response vs. Frequency
