adg622 Analog Devices, Inc., adg622 Datasheet

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adg622

Manufacturer Part Number
adg622
Description
Cmos ?5 V/+5 V, 4 ? Dual Spst Switches
Manufacturer
Analog Devices, Inc.
Datasheet

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FEATURES
5.5 Ω (maximum) on resistance
0.9 Ω (maximum) on resistance flatness
2.7 V to 5.5 V single supply
±2.7 V to ±5.5 V dual supply
Rail-to-rail operation
10-lead MSOP package
Typical power consumption (<0.01 μW)
TTL-/CMOS-compatible inputs
APPLICATIONS
Automatic test equipment
Power routing
Communication systems
Data acquisition systems
Sample-and-hold systems
Avionics
Relay replacements
Battery-powered systems
GENERAL DESCRIPTION
The ADG621/ADG622/ADG623 are monolithic, CMOS,
single-pole, single-throw (SPST) switches. Each switch of the
ADG621/ADG622/ADG623 conducts equally well in both
directions when on.
The ADG621/ADG622/ADG623 contain two independent
switches. The ADG621 and ADG622 differ only in that both
switches are normally open and normally closed. In the ADG623,
Switch 1 is normally open, and Switch 2 is normally closed. The
ADG623 exhibits break-before-make switching action.
The ADG621/ADG622/ADG623 offer low on resistance of
4 Ω, which is matched to within 0.25 Ω between channels.
These switches also provide low power dissipation yet give
high switching speeds. The ADG621/ADG622/ADG623 are
available in a 10-lead MSOP package.
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
PRODUCT HIGHLIGHTS
1.
2.
3.
4.
Low on resistance, R
Dual ±2.7 V to ±5.5 V or single +2.7 V to +5.5 V.
Low power dissipation; CMOS construction ensures low
power dissipation.
Tiny 10-lead MSOP package.
ADG621/ADG622/ADG623
FUNCTIONAL BLOCK DIAGRAMS
4 Ω Dual SPST Switches
NOTES
1. SWITCHES SHOWN FOR A LOGIC 0 INPUT
NOTES
1. SWITCHES SHOWN FOR A LOGIC 0 INPUT
NOTES
1. SWITCHES SHOWN FOR A LOGIC 0 INPUT
©2001–2007 Analog Devices, Inc. All rights reserved.
IN2
IN2
S1
D1
IN2
S1
D1
S1
D1
ON
CMOS ±5 V/+5 V,
(4 Ω typical).
ADG621
ADG622
ADG623
Figure 1.
Figure 2.
Figure 3.
IN1
D2
S2
IN1
D2
S2
IN1
D2
S2
www.analog.com

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adg622 Summary of contents

Page 1

... ADG621/ADG622/ADG623 conducts equally well in both directions when on. The ADG621/ADG622/ADG623 contain two independent switches. The ADG621 and ADG622 differ only in that both switches are normally open and normally closed. In the ADG623, Switch 1 is normally open, and Switch 2 is normally closed. The ADG623 exhibits break-before-make switching action. ...

Page 2

... ADG621/ADG622/ADG623 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagrams............................................................. 1 Product Highlights ........................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Dual Supply ................................................................................... 3 Single Supply ................................................................................. 4 REVISION HISTORY 6/07—Rev Rev. A Change to On Resistance Flatness, R FLAT(ON) Specification (Table 1)...................................................................... 3 Change to On Resistance Flatness, R FLAT(ON) Specification (Table 2)...................................................................... 4 Added Table 6.................................................................................... 6 Changes to Terminology Section ...

Page 3

... Rev Page ADG621/ADG622/ADG623 Unit Test Conditions/Comments +4 −4 Ω typ Figure ±4 −10 mA, see S S Ω max Ω typ V = ±4 − Ω ...

Page 4

... ADG621/ADG622/ADG623 1 SINGLE SUPPLY ± 10 GND = 0 V, unless otherwise noted Table 2. Parameter ANALOG SWITCH Analog Signal Range On Resistance Resistance Match Between Channels, ∆R On Resistance Flatness, R FLAT(ON) LEAKAGE CURRENTS Source Off Leakage I (Off) S Drain Off Leakage I (Off) D Channel On Leakage, I ...

Page 5

... Exposure to absolute maximum rating conditions for extended periods may affect device reliability Only one absolute maximum rating may be applied at any + 0 mA, DD one time. Table 4. ADG621/ADG622 Truth Table ADG621 INx 0 1 Table 5. ADG623 Truth Table INx 0 1 ESD CAUTION Rev ...

Page 6

... Most Negative Power Supply in a Dual-Supply Application. In single-supply applications, this should be tied to SS ground at the device Connect Most Positive Power Supply Potential ADG621/ D1 IN1 2 9 ADG622/ IN2 D2 3 ADG623 8 GND TOP VIEW (Not to Scale CONNECT Figure 4. 10-Lead MSOP (RM-10) Rev Page ...

Page 7

... D Off switch drain capacitance. Measured with reference to ground (On switch capacitance. Measured with reference to ground. ADG621/ADG622/ADG623 C IN Digital input capacitance Delay time between the 50% and the 90% points of the digital input and switch on condition. t OFF Delay time between the 50% and the 90% points of the digital input and switch off condition ...

Page 8

... ADG621/ADG622/ADG623 TYPICAL PERFORMANCE CHARACTERISTICS 25° ±3. ±4. –5 –4 –3 –2 – ( Figure 5. On Resistance ...

Page 9

... – 25°C A 100 Rev Page ADG621/ADG622/ADG623 = + – 25° FREQUENCY (MHz) Figure 14. Crosstalk vs. Frequency – 25° 100 FREQUENCY (MHz) Figure 15. On Response vs. Frequency ...

Page 10

... IN1, IN2 V GND (OFF Figure 17. Off Leakage 0.1µF ADG621 OUT D ADG622 300Ω 35pF V GND Figure 19. Switching Times (t ON 0.1µ OUT1 OUT2 L1 35pF 300Ω 300Ω ...

Page 11

... 0.1µF 0.1µ GND V WITH SWITCH OUT INSERTION LOSS = 20 LOG V WITHOUT SWITCH OUT Figure 24. Bandwidth Rev Page ADG621/ADG622/ADG623 NETWORK ANALYZER 50Ω OUT R L 50Ω 0.1µ 50Ω 50Ω S NETWORK ANALYZER 50Ω ...

Page 12

... ADG622BRM –40°C to +85°C ADG622BRM-REEL –40°C to +85°C ADG622BRM-REEL7 –40°C to +85°C 1 ADG622BRMZ –40°C to +85°C 1 ADG622BRMZ-REEL –40°C to +85°C 1 ADG622BRMZ-REEL7 –40°C to +85°C ADG623BRM –40°C to +85°C ADG623BRM-REEL –40°C to +85°C ADG623BRM-REEL7 – ...

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