ADG442BRZ

更新时间： 2024-11-23 12:29:07

品牌	Logo	应用领域
亚德诺 - ADI		复用器开关复用器或开关信号电路光电二极管 PC
页数	文件大小	规格书
16页	394K
描述
LC2MOS Quad SPST Switches

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ADG442BRZ 数据手册

LC²MOS Quad SPST Switches

ADG441/ADG442/ADG444

FUNCTIONAL BLOCK DIAGRAM

FEATURES

44 V supply maximum ratings

V_SSto V_DDanalog signal range

Low on resistance (<70 Ω)

Low ∆R_ON(9 Ω max)

Low R_ONmatch (3 Ω max)

Low power dissipation

Fast switching times

IN1

IN2

IN3

IN4

IN1

IN2

IN3

IN4

ADG441

ADG444

ADG442

t_ON< 110 ns

t_OFF< 60 ns

Low leakage currents (3 nA max)

Low charge injection (6 pC max)

Break-before-make switching action

Latch-up proof A grade

Plug-in upgrade for DG201A/ADG201A, DG202A/ADG202A,

DG211/ADG211A

Plug-in replacement for DG441/DG442/DG444

SWITCHES SHOWN FOR A LOGIC 1 INPUT

Figure 1.

differ in that the ADG444 requires a 5 V logic power supply

that is applied to the V_Lpin. The ADG441 and ADG442 do not

have a V_Lpin, the logic power supply is generated internally by

an on-chip voltage generator.

Each switch conducts equally well in both directions when ON

and has an input signal range that extends to the power

supplies. In the OFF condition, signal levels up to the supplies

are blocked. All switches exhibit break-before-make switching

action for use in multiplexer applications. Inherent in the

design is the low charge injection for minimum transients when

switching the digital inputs.

APPLICATIONS

Audio and video switching

Automatic test equipment

Precision data acquisition

Battery-powered systems

Sample-and-hold systems

Communication systems

PRODUCT HIGHLIGHTS

GENERAL DESCRIPTION

1. Extended signal range. The ADG441A/ADG442A/

ADG444A are fabricated on an enhanced LC²MOS, trench-

isolated process, giving an increased signal range that

extends to the supply rails.

The ADG441, ADG442, and ADG444 are monolithic CMOS

devices that comprise of four independently selectable switches.

They are designed on an enhanced LC²MOS process that

provides low power dissipation yet gives high switching speed

and low on resistance.

2. Low power dissipation.

3. Low R_ON

The on resistance profile is very flat over the full analog input

range, which ensures good linearity and low distortion when

switching audio signals. High switching speed also makes the

parts suitable for video signal switching. CMOS construction

ensures ultralow power dissipation, making the parts ideally

suited for portable and battery-powered instruments. The

ADG441, ADG442, and ADG444 contain four independent

SPST switches. Each switch of the ADG441 and ADG444 turns

on when a logic low is applied to the appropriate control input.

The ADG442 switches are turned on with logic high on the

appropriate control input. The ADG441 and ADG444 switches

4. Trench isolation guards against latch-up for A grade parts. A

dielectric trench separates the P and N channel transistors

thereby preventing latch-up even under severe overvoltage

conditions.

5. Break-before-make switching. This prevents channel

shorting when the switches are configured as a multiplexer.

6. Single-supply operation. For applications where the analog

signal is unipolar, the ADG441/ADG442/ADG444 can be

operated from a single-rail power supply. The parts are fully

specified with a single 12 V power supply.

Rev. A

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 that may result from its 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 and

registered trademarks are the property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

12 3 4 5 6 7...16

中文翻译

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ADG442BRZ 替代型号

型号	品牌	替代类型	描述	数据表
ADG411BR-REEL	ADI	完全替代	LC2MOS Precision Quad SPST Switches
ADG511BRZ	ADI	类似代替	LC2MOS Precision 5 V/3 V Quad SPST Switches

与ADG442BRZ相关器件

型号	品牌	获取价格	描述	数据表
ADG442BRZ1	ADI	获取价格	LC2MOS Quad SPST Switches ADG441/ADG442/ADG444
ADG442BRZ-REEL	ADI	获取价格	暂无描述
ADG442BRZ-REEL1	ADI	获取价格	LC2MOS Quad SPST Switches ADG441/ADG442/ADG444
ADG444	ADI	获取价格	LC2MOS Quad SPST Switches
ADG444_15	ADI	获取价格	LC MOS Quad SPST Switches
ADG444ABN	ADI	获取价格	IC QUAD 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDIP16, PLASTIC, MO-095AC, DIP-16, Multiplex
ADG444ABN2	ADI	获取价格	LC2MOS Quad SPST Switches ADG441/ADG442/ADG444
ADG444ABR	ADI	获取价格	暂无描述
ADG444ABR	ROCHESTER	获取价格	SPST, 4 Func, 1 Channel, CMOS, PDSO16, MS-012AC, SOIC-16
ADG444ABR2	ADI	获取价格	LC2MOS Quad SPST Switches ADG441/ADG442/ADG444

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