Intersil

ISL43142IBZ

ISL43142IBZ Description

The ISL43142IBZ is a high-performance analog switch manufactured by Intersil, designed for applications requiring low leakage current and precise control. This SPST (Single Pole Single Throw) switch features four independent channels, each offering an on-state resistance (R_on) of up to 65 ohms. The device is housed in a 16-SOIC package, making it suitable for surface mount applications. Despite its small form factor, the ISL43142IBZ boasts a wide supply voltage range, supporting dual supplies from ±2.6V to ±6V and single supplies from 2.7V to 12V. This flexibility makes it ideal for a variety of analog signal routing tasks.

ISL43142IBZ Features

• Low Leakage Current: The ISL43142IBZ features a maximum leakage current (I_s(off)) of just 1nA, ensuring minimal signal degradation when the switch is off.
• Wide Supply Voltage Range: With dual supply voltages ranging from ±2.6V to ±6V and single supply voltages from 2.7V to 12V, the ISL43142IBZ is highly versatile and can be used in a wide range of applications.
• Low On-State Resistance: The maximum on-state resistance (R_on) of 65 ohms ensures minimal signal loss when the switch is on, maintaining signal integrity.
• Channel-to-Channel Matching: The device offers excellent channel-to-channel matching with a ΔR_on of 2 ohms, ensuring consistent performance across all channels.
• Low Channel Capacitance: With channel capacitance (C_s(off), C_d(off)) of just 7pF, the ISL43142IBZ minimizes capacitive loading on the signal lines.
• Fast Switching Times: The switch time (T_on, T_off) is a maximum of 80ns and 30ns, respectively, enabling rapid signal routing and minimizing signal delays.
• Charge Injection: The ISL43142IBZ has a low charge injection of 1pC, reducing transient disturbances during switching.
• ROHS3 Compliant: The device is environmentally friendly, adhering to the ROHS3 compliance standards.

ISL43142IBZ Applications

The ISL43142IBZ is well-suited for a variety of applications in the electronics industry, particularly those requiring precise signal routing and minimal signal degradation. Key applications include:

• Analog Signal Routing: Ideal for routing analog signals in communication systems, medical equipment, and industrial control systems.
• Multiplexing and Demultiplexing: With a 1:1 multiplexer/demultiplexer circuit, the ISL43142IBZ can efficiently manage multiple signal paths.
• Low-Power Applications: The low leakage current and wide supply voltage range make it suitable for battery-powered and low-power devices.
• High-Speed Applications: The fast switching times ensure that the ISL43142IBZ can handle high-speed signal routing without significant delays.

Conclusion of ISL43142IBZ

The ISL43142IBZ is a robust and versatile analog switch designed to meet the stringent demands of modern electronics. Its low leakage current, wide supply voltage range, and low on-state resistance make it an excellent choice for applications requiring high precision and minimal signal degradation. The device's fast switching times and low charge injection further enhance its performance, making it suitable for high-speed and low-power applications. Despite being marked as obsolete, the ISL43142IBZ remains a reliable option for engineers seeking a high-quality analog switch.