ADG201HSKPZ

Switch Time (Ton, Toff) (Max):	50ns, 50ns
Base Part Number:	ADG201
Supplier Device Package:	20-PLCC (9x9)
Package / Case:	20-LCC (J-Lead)
Operating Temperature:	-40°C ~ 85°C (TA)
Crosstalk:	-86dB @ 100kHz
Current - Leakage (IS(off)) (Max):	1nA
Channel Capacitance (CS(off), CD(off)):	10pF, 10pF
Charge Injection:	10pC
-3db Bandwidth:	--
Series:	--
Voltage - Supply, Dual (V±):	±13.5 V ~ 16.5 V
Voltage - Supply, Single (V+):	10.8 V ~ 16.5 V
Channel-to-Channel Matching (ΔRon):	1.5 Ohm
On-State Resistance (Max):	50 Ohm
Number of Circuits:	4
Multiplexer/Demultiplexer Circuit:	1:1
Switch Circuit:	SPST - NC
Part Status:	Active
Packaging:	Tube

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Introduction

ADG201HSKPZ is an advanced, low-cost switched capacitor analog multiplexer/demultiplexer integrated circuit (IC). It offers seamless interfacing between analog and digital signals and devices. The implementation of switches and multiplexers/demultiplexers enables the ADG201HSKPZ to provide a number of important services.

Application Field

The ADG201HSKPZ has several useful applications. It can be used in applications such as audio and video signal routing, analog-to-digital and digital-to-analog conversion, test equipment, and radio frequency (RF) systems. It can also be used in more complex applications, such as touch and motion sensors, digital signal processing (DSP) algorithms, adaptive filtering, and noise cancellation systems.

Analog Switches

One of the most prevalent applications of the ADG201HSKPZ is analog switches. The circuit provides high switch isolation for high density switching applications. It is capable of both single-pole, double-throw (SPDT) and double-pole, double-throw (DPDT) operations. The device also features low switch ON resistance, fast switching speed, and low charge injection, making it ideal for switching applications involving high speed signals or high frequency operation.

Multiplexers

Multiplexers are commonly used to route signals between different signals sources. The ADG201HSKPZ has two multiplexers which can be used to select one out of eight possible digital inputs or two out of eight possible analog signals. The device supports single-ended and differential inputs, allowing it to interface with various analog signal sources.

Demultiplexers

In addition to performing switching and multiplexing operations, the ADG201HSKPZ can also be used as a demultiplexer. The device features an internal demultiplexer which allows for selection of one out of eight digital outputs. The device can be used for routing audio or video signals from a single source to multiple outputs.

Working Principle

The working principle of the ADG201HSKPZ is fairly straightforward. The device contains four analog switches, two multiplexers, and an internal demultiplexer. The device utilizes switched capacitor technology to allow for high speed switching and low power consumption. The first set of switches is used as an SPDT switch to select either a digital input or a differential analog input. The digital input is selected by connecting the digital input pins to the comparator and driving the switches with a logic signal. The analog input is selected by connecting the differential inputs to the multiplexer and selecting the desired input with the digital input pins. The second set of switches can also be used as an SPDT switch. The digital input is selected by driving the switches with a logic signal and connecting the digital inputs to the demultiplexer. The analog inputs are selected by connecting the multiplexer to the desired differential inputs and selecting the desired input with the digital input pins.

Conclusion

The ADG201HSKPZ is an advanced, low-cost switched capacitor analog multiplexer/demultiplexer IC. It is suitable for a wide range of applications, including audio or video signal routing, analog-to-digital and digital-to-analog conversion, test equipment, and RF systems. The device features four analog switches, two multiplexers, and an internal demultiplexer. The usage of switched capacitor technology allows for high speed switching and low power consumption. Thus, the combination of features makes the ADG201HSKPZ an ideal choice for many analog switching and routing tasks.

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