Datasheet > ADG738_15

ADG738_15

更新时间： 2024-09-17 01:17:55

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	352K
描述
Serially-Controlled, Matrix Switches

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数据手册

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ADG738_15 数据手册

CMOS, Low Voltage, 3-Wire

Serially-Controlled, Matrix Switches

Data Sheet

ADG738/ADG739

FEATURES

FUNCTIONAL BLOCK DIAGRAMS

3-wire serial interface

2.7 V to 5.5 V single supply

2.5 Ω on resistance

ADG738

0.75 Ω on-resistance flatness

100 pA leakage currents

Single 8-to-1 multiplexer ADG738

Dual 4-to-1 multiplexer ADG739

Power-on reset

TTL/CMOS-compatible

Qualified for automotive applications

INPUT SHIFT

DOUT

APPLICATIONS

Data acquisition systems

Communication systems

Relay replacement

SCLK DIN SYNC RESET

Figure 1.

Audio and video switching

ADG739

S1A

S4A

S1B

S4B

INPUT SHIFT

DOUT

GENERAL DESCRIPTION

The ADG738 and ADG739 are CMOS analog matrix switches

with a serially-controlled 3-wire interface. The ADG738 is an

8-channel matrix switch, while the ADG739 is a dual 4-channel

matrix switch. On resistance is closely matched between switches

and very flat over the full signal range.

SCLK DIN SYNC

Figure 2.

The ADG738 and ADG739 utilize a 3-wire serial interface

that is compatible with SPI™, QSPI™, MICROWIRE®, and some

DSP interface standards. The output of the input shift register,

DOUT, enables a number of these parts to be daisy-chained.

On power-up, the internal input shift register contains all zeros

and all switches are in the off state.

All channels exhibit break-before-make switching action,

preventing momentary shorting when switching channels.

The ADG738 and ADG739 are available in 16-lead TSSOP

packages.

PRODUCT HIGHLIGHTS

1. 3-Wire Serial Interface.

Each switch conducts equally well in both directions when on,

making these parts suitable for both multiplexing and demulti-

plexing applications. As each switch is turned on or off by a

separate bit, these parts can also be configured as a type of

switch array, where any, all, or none of the eight switches may

be closed at any time. The input signal range extends to the

supply rails.

2. Single Supply Operation. The ADG738/ADG739 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 or off at any

one time.

5. Guaranteed Break-Before-Make Switching Action.

6. Small 16-lead TSSOP Package.

Rev. A

Document Feedback

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

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

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

Technical Support

www.analog.com

12 3 4 5 6 7...20

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与ADG738_15相关器件

型号	品牌	获取价格	描述	数据表
ADG738BRU	ADI	获取价格	CMOS, Low-Voltage, 3-Wire Serially-Controlled, Matrix Switches
ADG738BRU	ROCHESTER	获取价格	8-CHANNEL, AUDIO/VIDEO SWITCH, PDSO16, TSSOP-16
ADG738BRU-REEL7	ROCHESTER	获取价格	8-CHANNEL, AUDIO/VIDEO SWITCH, PDSO16, TSSOP-16
ADG738BRUZ	ADI	获取价格	CMOS, Low Voltage, 3-Wire Serially-Controlled, Matrix Switches
ADG738BRUZ-REEL7	ADI	获取价格	CMOS, Low Voltage, 3-Wire, Serially Controlled, Matrix Switch
ADG738BRUZ-REEL7	ROCHESTER	获取价格	8-CHANNEL, AUDIO/VIDEO SWITCH, PDSO16, TSSOP-16
ADG738WBRUZ-REEL	ADI	获取价格	暂无描述
ADG739	ADI	获取价格	CMOS, Low-Voltage, 3-Wire Serially-Controlled, Matrix Switches
ADG739_15	ADI	获取价格	Serially-Controlled, Matrix Switches
ADG739BRU	ADI	获取价格	CMOS, Low-Voltage, 3-Wire Serially-Controlled, Matrix Switches

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