adg333a Analog Devices, Inc., adg333a Datasheet

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adg333a

Manufacturer Part Number
adg333a
Description
Quad Spdt Switch
Manufacturer
Analog Devices, Inc.
Datasheet

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FEATURES
44 V supply maximum ratings
V
Low on resistance (45 Ω max)
Low ∆R
Low R
Low power dissipation
Fast switching times
Low leakage currents (5 nA max)
Low charge injection (10 pC max)
Break-before-make switching action
APPLICATIONS
Audio and video switching
Battery-powered systems
Test equipment
Communication systems
GENERAL DESCRIPTION
The ADG333A is a monolithic CMOS device comprising four
independently selectable SPDT switches. It is designed on an
LC
achieves a high switching speed and a 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, battery-powered instruments.
When they are on, each switch conducts equally well in both
directions and has an input signal range that extends to the
power supplies. In the off condition, signal levels up to the
supplies are blocked. All switches exhibit break-before-make
switching action for use in multiplexer applications. Inherent
in the design is low charge inject
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 that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
SS
t
t
2
ON
OFF
to V
MOS process, which provides low power dissipation yet
< 175 ns
ON
< 145 ns
DD
ON
match (4 Ω max)
analog signal range
(5 Ω max)
PRODUCT HIGHLIGHTS
1.
2.
3.
4.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
Extended signal range.
The ADG333A is fabricated on an enhanced LC
process, giving an increased signal range which extends to
the supply rails.
Low power dissipation.
Low R
Single-supply operation.
For applications where the analog signal is unipolar, the
ADG333A can be operated from a single rail power supply.
The part is fully specified with a single 12 V supply.
ON
FUNCTIONAL BLOCK DIAGRAM
.
SWITCHES SHOWN FOR A LOGIC 1 INPUT
S1A
S1B
S2B
S2A
IN1
IN2
D1
D2
© 2005 Analog Devices, Inc. All rights reserved.
ADG333A
Quad SPDT Switch
Figure 1.
S4A
D2
S4B
IN4
IN3
S3B
D3
S3A
ADG333A
www.analog.com
2
MOS

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adg333a Summary of contents

Page 1

... ON 4. Single-supply operation. For applications where the analog signal is unipolar, the ADG333A can be operated from a single rail power supply. The part is fully specified with a single 12 V supply. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 © 2005 Analog Devices, Inc. All rights reserved. ...

Page 2

... Pin Configurations and Function Descriptions ........................... 7 REVISION HISTORY 3/05—Rev Rev. A Updated Format..................................................................Universal Changes to Specifications Tables .................................................... 3 Updated Outline Dimensions ....................................................... 12 Changes to Ordering Guide .......................................................... 12 10/95—Revision 0: Initial Version Typical Performance Characteristics ..............................................8 Test Circuits..................................................................................... 10 Application Information................................................................ 11 ADG333A Supply Voltages ....................................................... 11 Power Supply Sequencing ......................................................... 11 Outline Dimensions ....................................................................... 12 Ordering Guide .......................................................................... 12 Rev Page ...

Page 3

... V min/V max Rev Page ADG333A Test Conditions/Comments V = ± – ± – ± – +16 –16.5 V ...

Page 4

... ADG333A SINGLE SUPPLY ± 10%, GND = 0 V, unless otherwise noted Table 2. Parameter ANALOG SWITCH Analog Signal Range RON LEAKAGE CURRENTS Source OFF Leakage I (OFF) S Channel ON Leakage (ON DIGITAL INPUTS Input High Voltage, V INH Input Low Voltage, V INL ...

Page 5

... Exposure to absolute + mA, maximum rating conditions for extended periods may affect DD device reliability. Table 4. Truth Table Logic 0 1 Rev Page ADG333A Switch A Switch B Off On On Off ...

Page 6

... ADG333A TERMINOLOGY R ON Ohmic resistance between D and S. ∆ variation due to a change in the analog input voltage with a ON constant load current. R Match ON Difference between the R of any two channels (OFF) S Source leakage current with the switch off. I (OFF) D Drain leakage current with the switch off. ...

Page 7

... Most Negative Power Supply Potential in Dual Supplies. In single-supply applications, it can be connected to ground. Ground (0 V) Reference. No Connect. Most Positive Power Supply Potential. Rev Page ADG333A IN1 1 IN4 20 S1A 2 S4A ADG333A S1B 4 S4B 17 TOP VIEW (Not to Scale) GND S2B 7 ...

Page 8

... ADG333A TYPICAL PERFORMANCE CHARACTERISTICS 25° + – +10V –10V +15V –15V SS 10 –15 –10 – ( Figure Function Dual Supply 100 + – +10V ...

Page 9

... –2V S 140 120 100 (V) DD Figure 12. Switching Time as a Function 25°C A 0.8 0.6 0.4 0 Figure 13 Rev Page ADG333A = +16.5V = –16.5V 200 400 600 800 SWITCHING FREQUENCY (kHz Function of Switching Frequency DD 1000 ...

Page 10

... ADG333A TEST CIRCUITS Figure 14. On Resistance V DD 0.1µ –10V +10V IN V GND SS 0.1µ 0.1µ GND SS 0.1µ GND 0.1µ ...

Page 11

... APPLICATION INFORMATION ADG333A SUPPLY VOLTAGES The ADG333A can operate from a dual or signal supply. V should be connected to GND when operating with a single supply. When using a dual supply, the ADG333A can also operate with unbalanced supplies; for example −5 V. The only restrictions are that V ...

Page 12

... ADG333ABR −40°C to +85°C ADG333ABR-REEL −40°C to +85°C 1 ADG333ABRZ −40°C to +85°C 1 ADG333ABRZ-REEL −40°C to +85°C ADG333ABRS −40°C to +85°C ADG333ABRS-REEL −40°C to +85°C 1 ADG333ABRSZ −40°C to +85°C ADG333ABRSZ-REEL 1 −40°C to +85° Pb-free part. © ...

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