ADV3224ACPZ

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The ADV3224ACPZ is a part of Analog Devices’ Interface portfolio, and is classified as a special purpose analog switch. This switch is intended for use in providing timing functions in mobile communications, as well as in other applications where precise analog switching is required. This switch is capable of switching signals from dc up to 20kHz, and has a wider supply voltage range than other products on the market, with operating voltage from 2.7V to 5.5V, and a “Break Before Make” design for no-glitch switching. This device is available in 2 and 4-channel versions, and provides high accuracy and low power consumption.

Application Field

Due to its wide supply range and ability to switch dc-to-20kHz signals, the ADV3224ACPZ can be used in a wide variety of applications. It is suitable for use in mobile communications, such as handsets, base-stations and switches. Other potential applications include audio signal switching, where the device can be used to switch between signals of different amplitudes. It can also be used to provide timing and pulse control functions in industrial, automation and scientific equipment. The ADV3224ACPZ also has potential applications as an analog signal switch in automotive electronics and laboratory test equipment.

Working Principle

The working principle of the ADV3224ACPZ analog switch is based on a capacitive based switch, with voltage shown on each switch, and a low on-resistance (< 10Ω, typical) when the switch is closed. The switch has a “Break Before Make” design, which means that when the signal is switched, it does not cause a short circuit and thereby prevents any voltage spikes. This allows for precise analog control of signals and prevents any unexpected side-effects. The device is also protected from ESD, to ensure that it will not be damaged from overvoltages or electrostatic shock. The switch also features a low current draw, ranging from 0.5μA typical in the “Off” state, to 0.9mA typical when switched “On”.

Conclusion

The ADV3224ACPZ is a special purpose analog switch, capable of switching signals up to 20kHz, and with a supply range of 2.7V-5.5V. Its wide range of uses, such as signal switching in mobile communications, audio switching, timing and pulse control functions, as well as in automotive and laboratory equipment, make it an ideal switch for many different applications. It is also protected from ESD damage and features a low power consumption. As such, the ADV3224ACPZ is a great choice for any application requiring precise analog signal switching.

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