Datasheet > ADG5243FBRUZ-RL7

ADG5243FBRUZ-RL7

更新时间： 2024-11-29 01:15:35

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
30页	635K
描述
User Defined Fault Protection and Detection, 0.8 pc QINJ, Triple SPDT

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ADG5243FBRUZ-RL7 数据手册

User Defined Fault Protection and

Detection, 0.8 pC Q_INJ, Triple SPDT

Data Sheet

ADG5243F

FEATURES

FUNCTIONAL BLOCK DIAGRAM

User defined supplies set overvoltage level

Overvoltage protection up to −55 V and +55 V

Power-off protection up to −55 V and +55 V

Overvoltage detection on source pins

Minimum secondary supply level: 4.5 V single-supply

Interrupt flags indicate fault status

ADG5243F

S1A

S1B

S3B

S3A

S2B

S2A

Low charge injection (Q_INJ): 0.8 pC

FAULT

Low drain/source on capacitance: 10 pF

Latch-up immune under any circumstance

Known state without digital inputs present

DETECTION

AND SWITCH

DRIVER

_SSto V_DDanalog signal range

5 V to 22 V dual supply operation

8 V to 44 V single-supply operation

Fully specified at 15 V, 20 V, +12 V, and +36 V

NOTES

1. SWITCHES SHOWN FOR INPUT LOGIC 1.

Figure 1.

APPLICATIONS

Analog input/output modules

Process control/distributed control systems

Data acquisition

Instrumentation

Avionics

Automatic test equipment

Communication systems

Relay replacement

GENERAL DESCRIPTION

The ADG5243F comprises three independently selectable, single-

pole/double-throw (SPDT) switches. All channels exhibit break-

before-make switching action that prevents momentary shorting

The low capacitance and charge injection of these switches

make them ideal solutions for data acquisition and sample-and-

hold applications, where low glitch switching and fast settling

times are required.

when switching channels. An

input enables or disables the

device. When disabled, all channels are switched off. Each switch

conducts equally well in both directions when on, and each

switch has an input signal range that extends to the supplies.

The primary supply voltages define the on-resistance profile,

whereas the secondary supply voltages define the voltage level at

which the overvoltage protection engages.

Note that, throughout this data sheet, multifunction pins, such

as IN1/F1, are referred to either by the entire pin name or by a

single function of the pin, for example, IN1, when only that

function is relevant.

PRODUCT HIGHLIGHTS

1. The source pins are protected against voltages greater than

the secondary supply rails, up to −55 V and +55 V.

2. The source pins are protected against voltages between

−55 V and +55 V in an unpowered state.

3. Overvoltage detection with the digital output indicates the

operating state of the switches.

When no power supplies are present, the channel remains in the

off condition, and the switch inputs are high impedance. Under

normal operating conditions, if the analog input signal levels on

any Sx pin exceed the positive fault voltage (POSFV) or the

negative fault voltage (NEGFV) by a threshold voltage (V_T), the

channel turns off and that Sx pin becomes high impedance. If

the switch is selected to be on, then the drain pin is pulled to the

secondary supply voltage that was exceeded. Input signal levels up

to −55 V or +55 V relative to ground are blocked, in both the

powered and unpowered conditions.

4. Trench isolation guards against latch-up.

5. Optimized for low charge injection and on-capacitance.

6. The ADG5243F can be operated from a dual supply of 5 V

to 22 V or a single power supply of 8 V to 44 V.

Rev. 0

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.

Tel: 781.329.4700

Technical Support

www.analog.com

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ADG5243FBRUZ-RL7 替代型号

型号	品牌	替代类型	描述	数据表
ADG5243FBRUZ	ADI	完全替代	User Defined Fault Protection and Detection, 0.8 pc QINJ, Triple SPDT

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