Series:	--
Packaging:	Tray
Part Status:	Active
Switch Circuit:	SPST - NO
Multiplexer/Demultiplexer Circuit:	1:1
Number of Circuits:	4
On-State Resistance (Max):	4 Ohm
Channel-to-Channel Matching (ΔRon):	--
Voltage - Supply, Single (V+):	1.8 V ~ 5.5 V
Voltage - Supply, Dual (V±):	--
Switch Time (Ton, Toff) (Max):	11ns, 6ns (Typ)
-3db Bandwidth:	200MHz
Charge Injection:	3pC
Channel Capacitance (CS(off), CD(off)):	10pF, 10pF
Current - Leakage (IS(off)) (Max):	100pA
Crosstalk:	-90dB @ 10MHz
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	20-WFQFN Exposed Pad, CSP
Supplier Device Package:	20-LFCSP-WQ (4x4)
Base Part Number:	ADG782

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ADG782BCPZ Application Field and Working Principle

Introduction

The ADG782BCPZ is one of the most advanced, high-performance analog switch/multiplexer/demultiplexer available on the market today. It is designed for use in a range of analog signal processing applications, including signal routing, remote sensing, current sense, and instrumentation. The device offers a high level of voltage and current protection to ensure reliable signal integrity and signal switching performance. This paper will discuss the application field of the ADG782BCPZ and its basic working principle.

Application Field

The ADG782BCPZ is a four-channel analog switch/multiplexer/demultiplexer that can be used for signal routing, remote sensing, current sense, and instrumentation. It has an operation voltage range of 4.5 to 17V and a signal range of ±10V. It is equipped with a Cascode input section to provide wide signal isolation, and a low resistance (R_ON) of 10Ω that enables low power consumption. The device also offers a variety of other features, including soft-start, thermal shutdown, and protection against electrostatic discharges. The ADG782BCPZ is suitable for use in a range of applications that require a high level of signal integrity and switching precision, such as analog-to-digital converters, amplifiers, signal routers, networked devices, and medical instruments. Its low power consumption and wide signal range make it an ideal choice for applications involving low-power and low-voltage signals.

Working Principle

The ADG782BCPZ works by combining a MOSFET switch with a low voltage/low power CMOS control circuit. The device is activated by applying a low voltage to the control input. When the control voltage is applied, the switch is activated and the signal flows between the input and output. When the control voltage is removed, the switch is deactivated and the signal stops flowing.The device also has a Cascode input section that is designed to provide superior signal isolation. This section consists of two stages, which protect the input from high-frequency noise and prevent the switch from controlling adjacent channels.The device is also equipped with a variety of features, including soft-start, thermal-shutdown, and protection against electrostatic discharges, which make it an ideal choice for applications that require a high level of signal integrity and switching precision.

Conclusion

The ADG782BCPZ is a versatile analog switch/multiplexer/demultiplexer that can be used in a range of applications, including signal routing, remote sensing, current sense, and instrumentation. The device offers a wide range of features, including a Cascode input section, a low R_ON of 10Ω, soft-start, thermal shutdown, and protection against electrostatic discharges, which make it an ideal choice for applications involving low-power and low-voltage signals.

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