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The ADG733 and ADG734 are low voltage, CMOS devices comprising three independently selectable SPDT (single pole, double throw) switches and four independently selectable SPDT switches respectively. Low power consumption and operating supply range of 1.8 V to 5.5 V and dual ±3 V make the ADG733 and ADG734 ideal for battery powered, portable instruments. All channels exhibit break-before-make switching action preventing momentary shorting when switching channels. An EN input on the ADG733 is used to enable or disable the device. When disabled, all channels are switched OFF. These 21 multiplexers/SPDT switches are designed on an enhanced submicron process that provides low power dissipation yet gives high switching speed, very low on resistance, high signal bandwidths and low leakage curre nts. On resistance is in the region of a few ohms, is closely matched between switches and very flat over the full signal range. These parts can operate equally well in either direction and have an input signal range which extends to the supplies. The ADG733 is available in small TSSOP and QSOP packages, while the ADG734 is available in a small TSSOP pack age.
ADG734 Maximum Ratings
(TA = 25°C unless otherwise noted) VDD to VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V VSS to GND . . . . . . . . . . . . . . . . . . . . . . . . . .+0.3 V to 3.5 V Analog Inputs 2 . . . . . . . . . . . . VSS 0.3 V to VDD + 0.3 V or 30 mA, Whichever Occurs First Digital Inputs . . . . . . . . . . . . . . . . . 0.3 V to VDD + 0.3 V or 30 mA, Whichever Occurs First Peak Current, S or D . . . . . . . . . . . . . . . . . . . . . . . . . .100 mA (Pulsed at 1 ms, 10% Duty Cycle max) Continuous Current, S or D . . . . . . . . . . . . . . . . . . . . 30 mA Operating Temperature Range Industrial (A, B Versions) . . . . . . . . . . . . . 40°C to +85°C Storage Temperature Range . . . . . . . . . . . . 65°C to +150°C
1.8 V to 5.5 V Single Supply ±3 V Dual Supply 2.5 On Resistance 0.5 On Resistance Flatness 100 pA Leakage Currents 19 ns Switching Times Triple SPDT: ADG733 Quad SPDT: ADG734 Small TSSOP and QSOP Packages Low Power Consumption TTL/CMOS-Compatible Inputs
ADG734 Typical Application
Data Acquisition Systems Communication Systems Relay Replacement Audio and Video Switching Battery-Powered Systems