The ISL84544CBZ is a low on-resistance, quad SPST (Single-Pole/Single-Throw) analog switch manufactured by Intersil (now Renesas). This switch is designed for high-performance signal switching applications, offering excellent signal integrity and low distortion. The quad configuration allows for switching of multiple signals simultaneously, making it suitable for a variety of multiplexing and routing applications.

Applications

• Data acquisition systems: Multiplexing analog sensor signals.
• Audio and video routing: Switching audio and video signals in consumer electronics.
• ATE (Automated Test Equipment): Signal routing in test and measurement systems.
• Communication systems: Switching signals in telecom and data communication equipment.
• Battery-powered devices: Low-power signal switching in portable devices.

Features

• Quad SPST configuration: Four independent SPST switches in a single package.
• Low on-resistance: Minimizes signal attenuation and distortion.
• Low voltage operation: Operates with a single supply voltage of 2.7V to 5.5V.
• Low charge injection: Reduces switching glitches and signal noise.
• High bandwidth: Suitable for high-frequency signal switching.
• Break-before-make switching: Prevents signal shorting during switching transitions.

Benefits

• High signal fidelity: Low on-resistance and charge injection ensure accurate signal transmission.
• Power efficiency: Low voltage operation minimizes power consumption.
• Versatile application: Can be used for a variety of analog and digital signal switching tasks.
• Space-saving design: Quad configuration reduces the number of components required.
• Reliable performance: Provides consistent and dependable switching.

Technical Specifications: The ISL84544CBZ operates with a single supply voltage ranging from 2.7V to 5.5V. It features a low on-resistance, typically in the range of a few ohms. The charge injection is very low, ensuring minimal disturbance to the switched signals. The switching time is fast. It is available in a compact package such as QSOP or TSSOP. Detailed electrical characteristics, switching times, and application notes are available in the device's datasheet.