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The ADG451, ADG452 and ADG453 are monolithic CMOS devices comprising four independently selectable switches. They are designed on an enhanced LC2 MOS process that provides low power dissipation yet gives high switching speed and low on resistance. The on resistance profile is very flat over the full analog input range ensuring excellent linearity and low distortion when switching audio signals. Fast switching speed coupled with high signal bandwidth also make the parts suitable for video signal switching. CMOS construction ensures ultralow power dissipation making the parts ideally suited for portable and battery powered instruments.
The ADG451, ADG452 and ADG453 contain four independent single-pole/single-throw (SPST) switches. The ADG451 and ADG452 differ only in that the digital control logic is inverted. The ADG451 switches are turned on with a logic low on the appropriate control input, while a logic high is required for the ADG452. The ADG453 has two switches with digital control logic similar to that of the ADG451 while the logic is inverted on the other two switches. Each switch conducts equally well in both directions when ON and has an input signal range which extends to the supplies. In the OFF condition, signal levels up to the supplies are blocked.
ADG452 Maximum Ratings
VDD to VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +44 V VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +25 V VSS to GND . . . . . . . . . . . . . . . . . . . . . . . . . . .+0.3 V to 25 V VL to GND . . . . . . . . . . . . . . . . . . . . . . 0.3 V to VDD + 0.3 V Analog, Digital Inputs2. . . . . . . . . . . VSS 2 V to VDD +2 V or 30 mA, Whichever Occurs First Continuous Current, S or D . . . . . . . . . . . . . . . . . . . .100 mA Peak Current, S or D . . . . . . . . . . . . . . . . . . . . . . . . . 300 mA (Pulsed at 1 ms, 10% Duty Cycle max) Operating Temperature Range Industrial (B Version) . . . . . . . . . . . . . . . . . 40°C to +85°C Storage Temperature Range . . . . . . . . . . 65°C to +150°C Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . +150°C Plastic Package, Power Dissipation . . . . . . . . . . . . 470 mW JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . 117°C/W Lead Temperature, Soldering (10 sec) . . . . . . . . . . +260°C
ADG452 Features
44 V Supply Maximum Ratings 615 V Analog Signal Range Continuous Current 100 mA Fast Switching Times tON 70 ns tOFF 60 ns TTL/CMOS Compatible Pin Compatible Upgrade for ADG411/ADG412/ADG413 and ADG431/ADG432/ADG433
ADG452 Typical Application
Relay Replacement Audio and Video Switching Automatic Test Equipment Precision Data Acquisition Battery Powered Systems Sample Hold Systems Communication Systems PBX, PABX Systems Avionics