ADG728

更新时间： 2024-11-22 22:32:27

品牌	Logo	应用领域
亚德诺 - ADI		开关
页数	文件大小	规格书
12页	151K
描述
CMOS, Low-Voltage, 2-Wire Serially-Controlled, Matrix Switches

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ADG728 数据手册

CMOS, Low-Voltage, 2-Wire

Serially-Controlled, Matrix Switches

ADG728/ADG729

FEATURES

2-Wire Serial Interface

FUNCTIONAL BLOCK DIAGRAMS

2.7 V to 5.5 V Single Supply

2.5 ⍀ On Resistance

ADG728

ADG729

0.75 ⍀ On-Resistance Flatness

100 pA Leakage Currents

Single 8-to-1 Matrix Switch ADG728

Dual 4-to-1 Matrix Switch ADG729

Power-On Reset

S1A

S4A

Small 16-Lead TSSOP Package

S1B

S4B

APPLICATIONS

Data Acquisition Systems

Communication Systems

Relay Replacement

Audio and Video Switching

Automatic Test Equipment

INPUT SHIFT

RESET

SDA SCL A0 A1

GENERAL DESCRIPTION

PRODUCT HIGHLIGHTS

The ADG728 and ADG729 are CMOS analog matrix switches

with a serially controlled 2-wire interface. The ADG728 is an

8-channel matrix switch, while the ADG729 is a dual 4-channel

matrix switch. On resistance is closely matched between switches

and very flat over the full signal range. These parts can operate

equally well as either multiplexers, demultiplexers or switch

arrays and the input signal range extends to the supplies.

1. 2-Wire Serial Interface.

2. Single Supply Operation. The ADG728 and ADG729 are

fully speciﬁed and guaranteed with 3 V and 5 V supply rails.

3. Low On Resistance 2.5 Ω typical.

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

5. Guaranteed Break-Before-Make Switching Action.

6. Small 16-Lead TSSOP Package.

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 con-

dition and the internal shift register will contain all zeros.

All channels exhibit break-before-make switching action pre-

venting momentary shorting when switching channels.

The ADG728 and ADG729 are available in 16-lead TSSOP

packages.

I²C is a trademark of Philips Corporation.

REV. 0

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

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与ADG728相关器件

型号	品牌	获取价格	描述	数据表
ADG728BRU	ADI	获取价格	CMOS, Low-Voltage, 2-Wire Serially-Controlled, Matrix Switches
ADG728BRU	ROCHESTER	获取价格	8-CHANNEL, AUDIO/VIDEO SWITCH, PDSO16, TSSOP-16
ADG728BRU-REEL	ADI	获取价格	CMOS, Low Voltage, 2-Wire Serially Controlled, Matrix Switches
ADG728BRU-REEL	ROCHESTER	获取价格	8-CHANNEL, AUDIO/VIDEO SWITCH, PDSO16, TSSOP-16
ADG728BRU-REEL7	ADI	获取价格	CMOS, Low Voltage, 2-Wire Serially Controlled, Matrix Switches
ADG728BRU-REEL7	ROCHESTER	获取价格	8-CHANNEL, AUDIO/VIDEO SWITCH, PDSO16, TSSOP-16
ADG728BRUZ	ADI	获取价格	CMOS, Low Voltage, 2-Wire Serially Controlled, Matrix Switches
ADG728BRUZ-REEL	ADI	获取价格	CMOS, Low Voltage, 2-Wire Serially Controlled, Matrix Switches
ADG728BRUZ-REEL7	ADI	获取价格	CMOS, Low Voltage, 2-Wire Serially Controlled, Matrix Switches
ADG728BRUZ-REEL7	ROCHESTER	获取价格	8-CHANNEL, AUDIO/VIDEO SWITCH, PDSO16, TSSOP-16

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