ADG436 Analog Devices, ADG436 Datasheet

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ADG436

Manufacturer Part Number
ADG436
Description
Dual SPDT Switch
Manufacturer
Analog Devices
Datasheet

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a
GENERAL DESCRIPTION
The ADG436 is a monolithic CMOS device comprising two
independently selectable SPDT switches. It is designed on an
LC
gives high switching speed and low on resistance.
The on resistance profile is very flat over the full analog input
range ensuring good linearity and low distortion when switching
audio signals. High switching speed also makes the part suitable
for video signal switching. CMOS construction ensures ultralow
power dissipation making the part ideally suited for portable and
battery powered instruments.
Each switch conducts equally well in both directions when ON
and has an input signal range which extends to the power sup-
plies. In the OFF condition, signal levels up to the supplies are
blocked. All switches exhibit break-before-make switching ac-
tion for use in multiplexer applications. Inherent in the design is
low charge injection for minimum transients when switching the
digital inputs.
REV. A
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.
FEATURES
44 V Supply Maximum Ratings
V
Low On Resistance (12
Low R
Low R
Low Power Dissipation
Fast Switching Times
Low Leakage Currents (5 nA Max)
Low Charge Injection (10 pC)
Break-Before-Make Switching Action
APPLICATIONS
Audio and Video Switching
Battery Powered Systems
Test Equipment
Communications Systems
2
MOS process which provides low power dissipation yet
SS
t
t
ON
OFF
to V
< 175 ns
< 145 ns
ON
ON
DD
Match (2.5
(3
Analog Signal Range
Max)
Max)
Typ)
PRODUCT HIGHLIGHTS
1. Extended Signal Range
2. Low Power Dissipation
3. Low R
4. Single Supply Operation
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
The ADG436 is fabricated on an enhanced LC
cess, giving an increased signal range which extends to the
supply rails.
For applications where the analog signal is unipolar, the
ADG436 can be operated from a single rail power supply.
S1A
S1B
ON
IN1
D1
FUNCTIONAL BLOCK DIAGRAM
World Wide Web Site: http://www.analog.com
ADG436
Dual SPDT Switch
© Analog Devices, Inc., 1998
ADG436
2
S2A
D2
S2B
IN2
MOS pro-

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ADG436 Summary of contents

Page 1

... Low Power Dissipation 3. Low Single Supply Operation For applications where the analog signal is unipolar, the ADG436 can be operated from a single rail power supply. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 ...

Page 2

... ADG436–SPECIFICATIONS Dual Supply ( –15 V, GND = 0 V, unless otherwise noted Parameter ANALOG SWITCH Analog Signal Range Match ON LEAKAGE CURRENTS Source OFF Leakage I (OFF) S Channel ON Leakage (ON DIGITAL INPUTS Input High Voltage, V INH Input Low Voltage, V ...

Page 3

... V min/V max –3– ADG436 Test Conditions/ Comments + – +13 12.2 V V/12 Test Circuit 12.2 V Test Circuit 3 ...

Page 4

... ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the ADG436 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 ...

Page 5

... IN2 CONNECT –5– ADG436 Delay between applying the digital control input and the output switching off. Break-before-make delay when switches are configured as a multiplexer. Maximum input voltage for Logic “0.” Minimum input voltage for Logic “1.” ...

Page 6

... ADG436–Typical Performance Characteristics + + – +10V –10V +15V –15V SS 6 –15 –10 – – Volts D S Figure Function Dual Supply +16. ...

Page 7

... OFF 50 50% 50% V OUT t OPEN OPEN OUT OUT INJ L OUT 0 IN1 S D GND V SS 0.1 F Log | OUT V SS ADG436 I (ON IN2 V OUT ...

Page 8

... V to GND must not drop below –30 V and V SS not exceed + important to remember that the ADG436 supply voltage directly affects the input signal range, the switch ON resistance and the switching times of the part. The effects of the power supplies on these characteristics can be clearly seen from the characteristic curves in this data sheet ...

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