ADG508FBRWZ

更新时间： 2024-09-13 12:26:43

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
页数	文件大小	规格书
20页	288K
描述
8-Channel/4-Channel Fault-Protected Analog Multiplexers

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ADG508FBRWZ 数据手册

8-Channel/4-Channel

Fault-Protected Analog Multiplexers

ADG508F/ADG509F

FEATURES

FUNCTIONAL BLOCK DIAGRAMS

All switches off with power supply off

Analog output of on channel clamped within power

supplies if an overvoltage occurs

Latch-up proof construction

ADG508F

Low on resistance (270 Ω typical)

Fast switching times

_ON: 230 ns maximum

_OFF: 130 ns maximum

Low power dissipation (3.3 mW maximum)

Fault and overvoltage protection (−40 V to +55 V)

Break-before-make construction

1 OF 8

DECODER

TTL and CMOS compatible inputs

A0 A1 A2 EN

APPLICATIONS

Figure 1.

Existing multiplexer applications (both fault-protected and

nonfault-protected)

New designs requiring multiplexer functions

ADG509F

S1A

GENERAL DESCRIPTION

S4A

The ADG508F and ADG509F are CMOS analog multi-

plexers, with the ADG508F comprising eight single channels

and the ADG509F comprising four differential channels. These

multiplexers provide 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 overvolt-

age inputs from −40 V to +55 V. During fault conditions with

power supplies off, the multiplexer 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 that drive the multiplexer.

S1B

S4B

1 OF 4

DECODER

Figure 2.

PRODUCT HIGHLIGHTS

1. Fault protection. The ADG508F/ADG509F can withstand

continuous voltage inputs from −40 V to +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 nanoamperes flows.

The ADG508F switches one of eight inputs to a common output

as determined by the 3-bit binary address lines A0, A1, and A2.

The ADG509F 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.

2. On channel saturates 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.

6. Trench isolation eliminates latch-up. A dielectric trench

separates the p and n-channel MOSFETs thereby

preventing latch-up.

Rev. F

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 registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

www.analog.com

12 3 4 5 6 7...20

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ADG508FBRWZ 替代型号

型号	品牌	替代类型	描述	数据表
ADG438FBRZ	ADI	类似代替	High Performance, 8-Channel, Fault-Protected Analog Multiplexer
ADG712BRZ	ADI	类似代替	CMOS Low Voltage, 4 Î© Quad, SPST Switches
ADG441BRZ	ADI	类似代替	LC2MOS Quad SPST Switches

与ADG508FBRWZ相关器件

型号	品牌	获取价格	描述	数据表
ADG508FBRWZ-REEL	ADI	获取价格	8-Channel/4-Channel Fault-Protected Analog Multiplexers
ADG508FTQ	ADI	获取价格	4/8 Channel Fault-Protected Analog Multiplexers
ADG508FTQ/883B	ETC	获取价格	8-Channel Analog Multiplexer
ADG509A	ADI	获取价格	CMOS 4-/8-Channel Analog Multiplexers
ADG509A_15	ADI	获取价格	CMOS 4-/8-Channel Analog Multiplexers
ADG509ABCHIPS	ADI	获取价格	CMOS 4-/8-Channel Analog Multiplexers
ADG509ABQ	ADI	获取价格	CMOS 4/8 CHAANNEL ANALOG MULTIPLEXERS
ADG509ABQ	ROCHESTER	获取价格	4-CHANNEL, DIFFERENTIAL MULTIPLEXER, CDIP16, CERAMIC, DIP-16
ADG509AKN	ADI	获取价格	CMOS 4/8 CHAANNEL ANALOG MULTIPLEXERS
ADG509AKN	ROCHESTER	获取价格	4-CHANNEL, DIFFERENTIAL MULTIPLEXER, PDIP16, PLASTIC, MS-001AB, DIP-16

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