ADG728WBRUZ-REEL7

CMOS ，低压， 2线串行控制，矩阵开关 CMOS, Low Voltage, 2-Wire Serially Controlled, Matrix Switches

Product Details

The ADG728 is a CMOS analog matrix switch with a serially controlled 2-wire interface. It is an 8-channel matrix switch. On resistance is closely matched between switches and very flat over the full signal range. This part can operate equally well as a multiplexer, demultiplexer or switch array and the input signal range extends to the supplies. 

The ADG728 and ADG729 utilize a 2-wire serial interface that is compatible with the I2C™ interface standard. Both have two external address pins A0 and A1. This allows the 2 LSBs of the 7-bit slave address to be set by the user. Four of each of the devices can be connected to the one bus. The ADG728 also has a RESET pin that should be tied high if not in use.

Each channel is controlled by one bit of an 8-bit word. This means that these devices may be used in a number of different configurations; all, any, or none of the channels may be on at any one time.

On power-up of the device, all switches will be in the OFF condition and the internal shift register will contain all zeros.

All channels exhibit break-before-make switching action preventing momentary shorting when switching channels.

The ADG728 and ADG729 are available in 16-lead TSSOP packages.

** Product Highlights**

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2-Wire Serial Interface.

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Single Supply Operation. The ADG728 and ADG729 are fully specified and guaranteed with 3 V and 5 V supply rails.

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Low On Resistance 2.5 Ω typical.

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Any configuration of switches may be on at any one time.

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Guaranteed Break-Before-Make Switching Action.

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Small 16-Lead TSSOP Package.

**Applications**

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Data Acquisition Systems

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Communications Systems

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Relay Placement

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Audio and Video Switching

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Automatic Test Equipment

### Features and Benefits

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2-Wire Serial Interface

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2.7 V to 5.5 V Single Supply

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2.5 Ω On Resistance

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0.75 Ω On-Resistance Flatness

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100 pA Leakage Currents

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Single 8-to-1 Matrix Switch

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Power-On Reset

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Small 16-Lead TSSOP Package

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Qualified for Automotive Applications