ISL43143IRZ-T

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ISL43143IRZ-T is a general-purpose high-bandwidth, low-capacitance, low-power, quad single-pole/single-throw (SPST) analog switch. As an interface component of its type, the component is mainly used for applications like signal lines switching, data acquisition and device selection. The component is also used for bidirectional low-voltage motor control systems where its low power drawing capabilities are highly appreciated.

The component’s pin-package is a 14-pin SOIC (small-outline integrated circuit). It has a low ON resistance of 0.10 Ω at a tiny analog signal of 0.3V and 0.3A. Its power consumption ranges from 0.2mA at 5V operating voltage to 1.25mA at 3.3V operating voltage. The component also has low gate charge, low leakage current and high off isolation to ensure superior performance.

The component’s working principle is relatively straightforward. It closes and opens a channel for passing of current/voltages when a control signal is applied to its gate. When a positive control voltage is applied, the component opens the channel thus allowing passing of current/voltages. Conversely, when no voltage is applied to its gate, the component closes the channel and does not allow any current/voltage flow.

ISL43143IRZ-T is highly suitable for a variety of analog signal applications from DC to 500 MHz (including RF). Its low capacitance makes it perfectly suited for DC circuits where the component generally performs better than a typical single-pole/double-throw (SPDT) switch. Furthermore, its wide frequency range, low power consumption and low resistance makes the component ideal for a variety of signal applications like video switching, audio switching/amplification, and I2C switching.

The component also offers superior performance in sensor switching. Its wide frequency range and low capacitance makes it ideal for sensor interface applications ranging from pressure sensors, temperature sensors, and speed sensors. Finally, its low power consumption offers superior power efficiency in applications requiring the use of multiple such components, like data multiplexers.

In conclusion, ISL43143IRZ-T is a general-purpose low-power, low-capacitance, high-bandwidth quad single-pole/single-throw (SPST) analog switch. Its wide frequency range, low resistance, and low power consumption make it ideal for signal switching, audio/video switching, and sensor switching. Its low capacitance also makes it suitable for low DC load circuits. It is thus highly versatile in analog signal switching applications.

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