ADG731

The ADG725/ADG731 are monolithic CMOS 32 channel/dual 16 channel analog multiplexers with a serially controlled 3-wire interface. The ADG732 switches one of thirty-two inputs (S1-S32) to a common output, D. The ADG725 can be configured as a dual mux switching one of sixteen inputs to one output or a differential mux switching one of sixteen inputs to a differential output.

These mulitplexers utilize a 3-wire serial interface that is compatible with SPI^TM, QSPI^TM, MICROWIRE^TM and some DSP interface standards. On power-up, the internal shift register contains all zeros and all switch are in the  OFF state.

These multiplexers are designed on an enhanced submicron process that provides low power dissipation yet gives high switching speed, very low on resistance and leakage currents. They operate from single supply of 1.8V to 5.5V and ±2.5 V dual supply, making them ideally suited to a variety of applications. On resistance is in the region of a few Ohms and is closely matched between switches and very flat over the full signal range. These parts can operate equally well as either Multiplexers or De-Multiplexers and have an input signal range which extends to the supplies.
In the OFF condition, signal levels up to the supplies are blocked. All channels exhibit break before make switching action preventing momentary shorting when switching channels.

They are available in either 48 lead CSP or TQFP package.