Datasheet > ADG5421F

ADG5421F

更新时间： 2024-11-07 02:51:35

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亚德诺 - ADI		/
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描述
Â±60 V Fault Protection and Detection, 11 Î© RON, Dual SPST Switch

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ADG5421F 数据手册

60 V Fault Protection and Detection,

11 Ω R_ON, Dual SPST Switch

ADG5421F

Data Sheet

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Overvoltage fault protection up to 60 V on S1 and S2 pins

Power-off protection up to 60 V on S1 and S2 pins

Known state without digital inputs present

Low on resistance of 11 Ω typical

ADG5421F

Ultraflat, on resistance

Latch-up immune under any circumstance

3.5 kV human body model (HBM) ESD rating

FAULT

DETECTION

AND SWITCH

DRIVER

V_SSto V_DD−2 V signal range

IN1 IN2

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

5 V to 22 V dual-supply operation

8 V to 44 V single-supply operation

Figure 1.

10-lead, 3 mm × 2 mm, LFCSP

APPLICATIONS

Analog input and output modules

Process control and distributed control systems

Data acquisition

COMPANION PRODUCTS

Precision 24-Bit ADC: AD7768-1

Precision 16-Bit, 2 MSPS SAR ADC: AD4000

Instrumentation

Avionics

Automatic test equipment

Communication systems

Relay replacement

GENERAL DESCRIPTION

The ADG5421F is a dual SPST, low on resistance switch that

features overvoltage protection, power-off protection, and

overvoltage detection on the source pins.

PRODUCT HIGHLIGHTS

1. Source pins are protected against voltages greater than the

supply rails, up to −60 V and +60 V in both powered and

unpowered state.

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

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

powered, if the analog input signal levels on either of the Sx pins

exceed V_DDor V_SSby the threshold voltage, V_T, both switches

turn off together, and the open-drain fault flag (FF) pin pulls to a

logic low. Input signal levels up to +60 V or −60 V relative to

ground are blocked in both the powered and unpowered

condition.

2. Overvoltage detection with digital output indicates

operating state of switches.

3. Trench isolation guards against latch-up.

4. The ADG5421F can operate from a dual supply of 5 V up

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

5. Negative channel metal oxide semiconductor (NMOS)

only architecture requires 2 V headroom towards V_DDand

provides low R_ONand low R_ONflatness across the signal

range of V_SSto V_DD− 2 V.

The switches turn on with a Logic 1 input and conduct equally

well in both directions. The digital input is compatible with

1.8 V logic inputs over the full operating supply range.

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 itsuse, 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 are the propertyoftheir 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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与ADG5421F相关器件

型号	品牌	获取价格	描述	数据表
ADG5421FBCPZ-RL7	ADI	获取价格	Â±60 V Fault Protection and Detection, 11 Î©
ADG5423	ADI	获取价格	高压防闩锁型双通道SPST开关
ADG5423BRMZ	ADI	获取价格	High Voltage Latch-Up Proof, Dual SPST Switches
ADG5423BRMZ-RL7	ADI	获取价格	High Voltage Latch-Up Proof, Dual SPST Switches
ADG5433	ADI	获取价格	High Voltage Latch-Up Proof, Triple/Quad SPDT Switches
ADG5433BCPZ-REEL7	ADI	获取价格	High Voltage Latch-Up Proof, Triple/Quad SPDT Switches
ADG5433BRUZ	ADI	获取价格	High Voltage Latch-Up Proof, Triple/Quad SPDT Switches
ADG5433BRUZ-REEL7	ADI	获取价格	High Voltage Latch-Up Proof, Triple/Quad SPDT Switches
ADG5433WBRUZ	ADI	获取价格	High Voltage Latch-Up Proof, Triple/Quad SPDT Switches
ADG5433WBRUZ-REEL7	ADI	获取价格	IC SGL POLE DOUBLE THROW SWITCH, Multiplexer or Switch

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