ADG621 Analog Devices, ADG621 Datasheet

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ADG621

Manufacturer Part Number
ADG621
Description
CMOS +-5 V/ +5V 4 OHM DUAL SPST SWITCHES
Manufacturer
Analog Devices
Datasheet

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GENERAL DESCRIPTION
The ADG621, ADG622, and the ADG623 are monolithic,
CMOS SPST (single-pole, single-throw) switches. Each switch
of the ADG621, ADG622, and 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 respectively. 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 offers low on-resistance of
4 Ω, which is matched to within 0.25 Ω between channels.
These switches also provide low power dissipation yet gives
high switching speeds. The ADG621, ADG622, and ADG623
are available in a 10-lead µSOIC package.
PRODUCT HIGHLIGHTS
1. Low On Resistance (R
2. Dual ± 2.7 V to ± 5.5 V or Single 2.7 V to 5.5 V
3. Low Power Dissipation. CMOS construction ensures low
4. Tiny 10-Lead µSOIC Package
IN2
power dissipation.
D1
S1
ADG621/ADG622/ADG623
ADG621
FUNCTIONAL BLOCK DIAGRAM
4
SWITCHES SHOWN FOR A LOGIC "0" INPUT
IN2
S1
D1
Dual SPST Switches
ON
) (4 Ω typ)
IN1
D2
S2
ADG623
CMOS 5 V/5 V
IN2
D1
S1
IN1
D2
S2
ADG622
IN1
D2
S2

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ADG621 Summary of contents

Page 1

... ADG621, ADG622, and 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 respectively. In the ADG623, Switch 1 is normally open and Switch 2 is normally closed ...

Page 2

... ADG621/ADG622/ADG623–SPECIFICATIONS 1 DUAL SUPPLY ( 10 Parameter ANALOG SWITCH Analog Signal Range On Resistance ( Resistance Match Between Channels (∆ On-Resistance Flatness (R ) FLAT(ON) LEAKAGE CURRENTS Source OFF Leakage I (OFF) S Drain OFF Leakage I (OFF) D Channel ON Leakage (ON DIGITAL INPUTS Input High Voltage, V ...

Page 3

... MHz typ 20 pF typ 20 pF typ 70 pF typ µA typ 0.001 µA max 1.0 ADG621/ADG622/ADG623 Test Conditions/Comments –10 mA Test Circuit 4 – – ...

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 ADG621/ADG622/ADG623 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

... A measure of unwanted signal coupling through an “OFF” switch. Bandwidth The frequency response of the “ON” switch. Insertion Loss The loss due to the ON resistance of the Switch. ADG621/ADG622/ADG623 PIN CONFIGURATION 10-Lead SOIC (RM-10 ADG621 IN1 ADG622/ D2 IN2 3 ADG623 8 TOP VIEW S2 GND ...

Page 6

... ADG621/ADG622/ADG623 3. 4. –5 –4 –3 –2 – – 2. 3. – + ...

Page 7

... C A –20 –30 –40 –50 –60 –70 –80 0 +5V DD – – –4 +5V –5V –6 –8 –10 +5V –12 – – 100 ADG621/ADG622/ADG623 1 10 100 FREQUENCY – MHz 1 10 100 1000 FREQUENCY – MHz ...

Page 8

... IN1, IN2 V GND (OFF) I (OFF 0.1 F ADG621 OUT ADG622 300 35pF V OUT GND OUT1 OUT1 OUT2 300 35pF 300Ω ...

Page 9

... GND V OUT CHANNEL-TO-CHANNEL CROSSTALK = 20 LOG V S 0.1 F NETWORK ANALYZER OUT INSERTION LOSS = 20 LOG 0 ADG621/ADG622/ADG623 0.1 F NETWORK V V ANALYZER OUT GND V WITH SWITCH OUT V WITHOUT SWITCH OUT ...

Page 10

... ADG621/ADG622/ADG623 OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 10-Lead SOIC Package (RM-10) 0.122 (3.10) 0.114 (2.90 0.122 (3.10) 0.199 (5.05) 0.187 (4.75) 0.114 (2.90 PIN 1 0.0197 (0.50) BSC 0.120 (3.05) 0.120 (3.05) 0.112 (2.85) 0.112 (2.85) 0.037 (0.94) 0.043 (1.10) 0.031 (0.78) MAX SEATING 0.006 (0.15) 0.012 (0.30) PLANE 0.009 (0.23) 0.006 (0.15) 0.002 (0.05) 0.005 (0.13 0.028 (0.70) 0.016 (0.40) ...

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