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ISL84781IR

ISL84781IR Description

The ISL84781IR is an 8:1 multiplexer/demultiplexer IC designed by Renesas Electronics Corporation. It is equipped with a single supply voltage range of 1.6V to 3.6V, making it suitable for low-power applications. This device features an on-state resistance (R_on) of a maximum of 750mΩ, ensuring efficient signal transmission with minimal power loss. The ISL84781IR also boasts a low leakage current of up to 4nA, which is crucial for maintaining performance in low-power and battery-operated systems. The channel-to-channel matching (ΔR_on) is tightly controlled at 120mΩ, ensuring consistent performance across all channels. Additionally, the channel capacitance (C_S(off), C_D(off)) is 65pF and 470pF, respectively, contributing to its high-speed switching capabilities. The switch time (T_on, T_off) is maximized at 25ns and 23ns, respectively, enabling rapid signal switching. The ISL84781IR is housed in a 16TQFN package and is available in a tube package format. It is REACH unaffected and has a moisture sensitivity level (MSL) of 1, making it suitable for various manufacturing processes.

ISL84781IR Features

• Low Leakage Current: With a maximum leakage current of 4nA, the ISL84781IR ensures minimal power consumption, making it ideal for battery-operated and low-power applications.
• Efficient On-State Resistance: The maximum on-state resistance of 750mΩ ensures efficient signal transmission with minimal power loss, enhancing overall system performance.
• High Channel Matching: The channel-to-channel matching (ΔR_on) of 120mΩ ensures consistent performance across all channels, providing reliable signal switching.
• Low Channel Capacitance: The channel capacitance values of 65pF and 470pF contribute to high-speed switching capabilities, making the ISL84781IR suitable for high-frequency applications.
• Fast Switching Times: The switch times (T_on, T_off) of 25ns and 23ns, respectively, enable rapid signal switching, which is essential for high-speed data transmission.
• Wide Supply Voltage Range: The single supply voltage range of 1.6V to 3.6V makes the ISL84781IR versatile and suitable for a variety of power supply configurations.
• Robust Packaging: The 16TQFN package and tube packaging format ensure reliable mechanical and thermal performance, making it suitable for surface mount applications.

ISL84781IR Applications

The ISL84781IR is ideal for a variety of applications where high-speed signal switching and low power consumption are critical. Some specific use cases include:

• Data Acquisition Systems: The low leakage current and efficient on-state resistance make it suitable for systems that require minimal power consumption and high signal integrity.
• Telecommunications: The high-speed switching capabilities and low channel capacitance make it ideal for high-frequency signal routing in telecom equipment.
• Industrial Control Systems: The robust packaging and wide supply voltage range make it suitable for industrial applications where reliability and versatility are key.
• Battery-Powered Devices: The low leakage current and efficient power management make it ideal for portable and battery-operated devices where power efficiency is paramount.

Conclusion of ISL84781IR

The ISL84781IR from Renesas Electronics Corporation is a versatile and efficient 8:1 multiplexer/demultiplexer IC. Its low leakage current, efficient on-state resistance, and high-speed switching capabilities make it an excellent choice for a variety of applications, particularly those requiring low power consumption and high signal integrity. While the product is now obsolete, its unique features and performance benefits continue to make it a valuable component for existing systems. For new designs, engineers may need to consider alternative models that offer similar or enhanced capabilities.