LC2MOS Quad SPST Switches
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FEATURES 44 V Supply Maximum Ratings VSS to VDD Analog Signal Range Low On Resistance (< 70 Ω) Low ∆RON (9 Ω max) Low ...
Description
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FEATURES 44 V Supply Maximum Ratings VSS to VDD Analog Signal Range Low On Resistance (< 70 Ω) Low ∆RON (9 Ω max) Low RON Match (3 Ω max) Low Power Dissipation Fast Switching Times tON < 110 ns tOFF < 60 ns Low Leakage Currents ( 3 nA max) Low Charge Injection (6 pC max) Break-Before-Make Switching Action Latch-Up Proof Plug-In Upgrade for DG201A/ADG201A, DG202A/ADG202A, DG211/ADG211A Plug in Replacement for DG441/DG442/DG444 APPLICATIONS Audio and Video Switching Automatic Test Equipment Precision Data Acquisition Battery Powered Systems Sample Hold Systems Communication Systems GENERAL DESCRIPTION
IN1
LC2MOS Quad SPST Switches ADG441/ADG442/ADG444
FUNCTIONAL BLOCK DIAGRAMS
S1 IN1 D1 S2 IN2 IN2 D1 S2 S1
ADG441 ADG444
IN3
D2 S3 IN3 D3 S4
ADG442
D2 S3
D3 S4 IN4
IN4 D4
D4
SWITCHES SHOWN FOR A LOGIC "1" INPUT
Each switch conducts equally well in both directions when ON 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 injection for minimum transients when switching the digital inputs.
PRODUCT HIGHLIGHTS
The ADG441, ADG442 and ADG444 are monolithic CMOS devices comprising four independently selectable switches. They are designed on an enhanced LC2MOS process that provides low power dissipation yet gives high switching speed and low on resistance. The on res...
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