Datasheet > ADG439FBRW-REEL

ADG439FBRW-REEL

更新时间： 2024-11-23 21:12:03

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管
页数	文件大小	规格书
8页	127K
描述
IC 4-CHANNEL, DIFFERENTIAL MULTIPLEXER, PDSO16, 0.300 INCH, SOIC-16, Multiplexer or Switch

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ADG439FBRW-REEL 数据手册

High Performance 4/8 Channel

Fault-Protected Analog Multiplexers

ADG438F/ADG439F*

FEATURES

FUNCTIONAL BLOCK DIAGRAMS

Fast Switching Times

t_ON250 ns max

t_OFF150 ns max

ADG439F

ADG438F

S1A

S4A

Fault and Overvoltage Protection (–40 V, +55 V)

All Switches OFF with Power Supply OFF

Analog Output of ON Channel Clamped Within Power

Supplies If an Overvoltage Occurs

Latch-Up Proof Construction

Break Before Make Construction

TTL and CMOS Compatible Inputs

S1B

S4B

APPLICATIONS

Data Acquisition Systems

1 OF 8

DECODER

1 OF 4

DECODER

Industrial and Process Control Systems

Avionics Test Equipment

A0 A1 A2 EN

A0 A1 EN

Signal Routing Between Systems

High Reliability Control Systems

PRODUCT HIGHLIGHTS

1. Fault Protection.

GENERAL DESCRIPTION

The ADG438F/ADG439F are CMOS analog multiplexers, the

ADG438F comprising 8 single channels and the ADG439F

comprising four differential channels. These multiplexers pro-

vide fault protection. Using a series n-channel, p-channel, n-

channel MOSFET structure, both device and signal source

protection is provided in the event of an overvoltage or power

loss. The multiplexer can withstand continuous overvoltage

inputs from –40 V to +55 V. During fault conditions, the multi-

plexer input (or output) appears as an open circuit and only a

few nanoamperes of leakage current will flow. This protects not

only the multiplexer and the circuitry driven by the multiplexer,

but also protects the sensors or signal sources which drive the

multiplexer.

The ADG438F/ADG439F can withstand continuous volt-

age inputs up to –40 V or +55 V. When a fault occurs due

to the power supplies being turned off, all the channels

are turned off and only a leakage current of a few nano-

amperes flows.

2. ON channel turns OFF while fault exists.

3. Low R_ON.

4. Fast Switching Times.

5. Break-Before-Make Switching.

Switches are guaranteed break-before-make so that input

signals are protected against momentary shorting.

The ADG438F switches one of eight inputs to a common out-

put as determined by the 3-bit binary address lines A0, A1 and

A2. The ADG439F switches one of four differential inputs to a

common differential output as determined by the 2-bit binary

address lines A0 and A1. An EN input on each device is used to

enable or disable the device. When disabled, all channels are

switched OFF.

6. Trench Isolation Eliminates Latch-up.

A dielectric trench separates the p- and n-channel MOSFETs

thereby preventing latch-up.

7. Improved OFF Isolation.

Trench isolation enhances the channel-to-channel isolation

of the ADG438F/ADG439F.

*Patent Pending.

REV. D

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

12 3 4 5 6 7 8

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与ADG439FBRW-REEL相关器件

型号	品牌	获取价格	描述	数据表
ADG439FBRWZ	ADI	获取价格	High Performance, 4-Channel, Fault-Protected Analog Multiplexer
ADG439FBRWZ	ROCHESTER	获取价格	4-CHANNEL, DIFFERENTIAL MULTIPLEXER, PDSO16, 0.300 INCH, SOIC-16
ADG439FBRWZ-REEL	ADI	获取价格	IC,ANALOG MUX,SINGLE,4-CHANNEL,CMOS,SOP,16PIN,PLASTIC
ADG439FBRZ	ADI	获取价格	High Performance, 4-/8-Channel, Fault-Protected Analog Multiplexers
ADG439FBRZ-REEL	ADI	获取价格	IC MULTIPLEXER DUAL 4X1 16SOIC
ADG441	ADI	获取价格	LC2MOS Quad SPST Switches
ADG441_15	ADI	获取价格	LC MOS Quad SPST Switches
ADG441ABCHIPS	ADI	获取价格	LC2MOS Quad SPST Switch
ADG441ABCHIPS2	ADI	获取价格	LC2MOS Quad SPST Switches ADG441/ADG442/ADG444
ADG441ABN	ADI	获取价格	IC QUAD 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDIP16, PLASTIC, MO-095AC, DIP-16, Multiplex

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