ISL54217IRTZ

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Interface - Analog Switches - Special Purpose

The ISL54217IRTZ is an ultra-low-voltage, low-current, 1-channel single-pole/double-throw (SPDT) analog switch designed to switch an audio signal in an application requiring low control power and minimum insertion loss. It can be optimized for any specific application and is ideal for use in power management, audio, and general purpose switching applications.

Application Field

ISL54217IRTZ is suitable for a wide range of applications, including automotive, medical, industrial, consumer audio and instrumentation, robot control and gaming, home audio and entertainment, computer, and telecommunications. It accepts control signals up to 10V, including TTL/CMOS logic and ground, and provides low noise, low voltage and low current switching performance. ISL54217IRTZ provides over-current protection, reverse current protection, over-temperature shutdown, ESD protection, and hot-swap protection.

ISL54217IRTZ is a device used to switch an audio signal without adding a noticeable amount of distortion to the signal. In particular, the low-voltage and low-current switch is designed to minimize power consumption and minimize power noise interference. This makes it ideal for use in applications that require low power, such as portable audio playback or high-frequency signal routing.

Working Principle

ISL54217IRTZ is a single-pole/double-throw (SPDT) analog switch designed to switch electrical signals. It has two signal inputs and two output taps, one for connecting an input signal and one for connecting to an output device. The switch is turned on and off by a signal applied to the control input. When the switch is on, the signal from the input tap is connected to the output tap. When the switch is off, the signal from the input tap is disconnected from the output tap.

ISL54217IRTZ operates according to a “break-before-make” principle, ensuring that when switching from one connection to another, the old connection is broken before a new connection is made. This helps to prevent large switching surges and spikes that can be caused by simultaneous connection and disconnection of multiple signals. The low channel-to-channel capacitance is also conducive to a longer life span and improved signal fidelity.

ISL54217IRTZ also has input protection and output protection features. The input protection features include minimum and maximum allowable voltage and current limits, as well as over-current (OCP) and over-temperature (OTP) protection. The output protection features include ESD protection, short-circuit protection, and hot-swap protection.

ISL54217IRTZ is designed to operate over temperature ranges of -40°C to +85°C, making it suitable for a variety of applications where temperature control is important. The device also has a wide supply voltage range, making it suitable for a range of control input voltages.

Conclusion

The ISL54217IRTZ is an ultra-low-voltage, low-current, 1-channel single-pole/double-throw (SPDT) analog switch designed for applications that require low control power and minimum insertion loss. It can be optimized for any specific application and is well suited for use in power management, audio, and general purpose switching applications. ISL54217IRTZ features low voltage and current operation, as well as over-current protection, reverse current protection, over-temperature shutdown, ESD protection, and hot-swap protection, making it a reliable and safe choice for a range of applications.

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