ADG729 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADG729
Manufacturer

ADI
ChipWorker Part#

CW983479536
Description

CMOS, Low Voltage, 2 Wire, Serially Controlled Dual 4 to 1 Matrix Switch
Documentation

Datasheet

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ADG729 Specifications

Attribute	Attribute Value

Part Number	ADG729
Manufacturer	ADI
ChipWorker Part#	CW983479536
Documentation	Datasheet
	expand all
Product Lifecycle Status	Active

Product Description

Product Details
The ADG729 is a CMOS analog matrix switch with a serially controlled 2-wire interface. It is a dual 4-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**
2-Wire Serial Interface.
Single Supply Operation. The ADG728 and ADG729 are fully specified and guaranteed with 3 V and 5 V supply rails.
Low On Resistance 2.5 Ω typical.
Any configuration of switches may be on at any one time.
Guaranteed Break-Before-Make Switching Action.
Small 16-Lead TSSOP Package.
**Applications**
Data Acquisition Systems
Communications Systems
Relay Placement
Audio and Video Switching
Automatic Test Equipment
### Features and Benefits
2-Wire Serial Interface
2.7 V to 5.5 V Single Supply
2.5 Ω On Resistance
0.75 Ω On-Resistance Flatness
100 pA Leakage Currents
Dual 4-to-1 Matrix Switch
Power-On Reset
Small 16-Lead TSSOP Package
Qualified for Automotive Applications

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