Part # ADG725 AD731 datasheet

Part Manufacturer: Analog Devices

Analog Devices

Part Description: ADG725/ADG731 16-/32-Channel Serially Controlled 4 Ohm 1.8 V to 5.5 V ±2.5 V Analog Multiplexers Data Sheet (Rev. A)

Part Details:

a 16-/32-Channel, Serially Controlled 4 1.8 V to 5.5 V, 2.5 V, Analog Multiplexers ADG725/ADG731 FEATURES FUNCTIONAL BLOCK DIAGRAM 3-Wire SPI Compatible Serial Interface1.8 V to 5.5 V Single Supply ADG731 ADG725 2.5 V Dual-Supply Operation 4 On Resistance S1 S1A DA 0.5 On Resistance Flatness S16A 7 mm x 7 mm 48-Lead Chip Scale Package (LFCSP) or 48-Lead TQFP Package D Rail-to-Rail Operation S1B Power-On Reset DB 42 ns Switching Times S32 S16B Single 32-to-1 Channel MultiplexerDual/Differential 16-to-1 Channel Multiplexer INPUT SHIFT INPUT SHIFT REGISTER REGISTER TTL/CMOS Compatible InputsFor Functionally Equivalent Devices with Parallel Interface, See ADG726/ADG732 SCLK DIN SYNC SCLK DIN SYNC APPLICATIONSOptical ApplicationsData Acquisition SystemsCommunication SystemsRelay ReplacementAudio and Video SwitchingBattery-Powered SystemsMedical InstrumentationAutomatic Test Equipment GENERAL DESCRIPTION These parts can operate equally well as either multiplexers or The ADG731/ADG725 are monolithic, CMOS, 32-channel/ demultiplexers and have an input signal range that extends to the dual 16-channel analog multiplexers with a serially controlled supplies. In the OFF condition, signal levels up to the supplies 3-wire interface. The ADG731 switches one of 32 inputs are blocked. All channels exhibit break-before-make switching (S1­S32) to a common output, D. The ADG725 can be config- action, preventing momentary shorting when switching channels. ured as a dual mux switching one of 16 inputs to one output, or a The ADG731 and ADG725 are serially controlled 32-channel, differential mux switching one of 16 inputs to a differential output. and dual/differential 16-channel multiplexers, respectively. They These mulitplexers utilize a 3-wire serial interface that is com- are available in either a 48-lead LFCSP or TQFP package. patible with SPI®, QSPITM, MICROWIRETM, and some DSPinterface standards. On power-up, the Internal Shift Register PRODUCT HIGHLIGHTS contains all zeros and all switches are in the OFF state. 1. 3-Wire Serial Interface.

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ADG725 AD731.pdf Datasheet