Analog Devices Inc./Maxim Integrated

MAX392C/D

MAX392C/D Description

The MAX392C/D is a high-performance, single-pole single-throw normally open (SPST-NO) analog switch designed by Analog Devices Inc./Maxim Integrated. This IC switch features four independent channels, each offering an on-state resistance (Ron) of up to 35 ohms. The device is optimized for low leakage current, with a maximum leakage current (IS(off)) of only 100pA, ensuring minimal power loss when the switch is off. The MAX392C/D operates over a wide supply voltage range, from ±3V to ±8V for dual supply and 3V to 15V for single supply, making it versatile for various power configurations.

The MAX392C/D is housed in a die package, which is ideal for surface-mount applications, providing a compact and reliable solution for space-constrained designs. The device also boasts excellent channel-to-channel matching, with a typical ΔRon of 300mOhm, ensuring consistent performance across all channels. Additionally, the switch offers a low charge injection of 2pC, which is crucial for maintaining signal integrity in sensitive analog circuits.

MAX392C/D Features

• Low Leakage Current: With a maximum leakage current of 100pA, the MAX392C/D ensures minimal power consumption and high efficiency, making it suitable for low-power applications.
• Wide Operating Voltage Range: The device supports dual supply voltages from ±3V to ±8V and single supply voltages from 3V to 15V, providing flexibility in power supply options.
• Low On-State Resistance: An on-state resistance of up to 35 ohms ensures minimal voltage drop and power dissipation when the switch is on.
• Channel-to-Channel Matching: A typical ΔRon of 300mOhm ensures consistent performance across all four channels, which is essential for applications requiring uniform signal handling.
• Low Charge Injection: With a charge injection of only 2pC, the MAX392C/D minimizes signal distortion and maintains high signal integrity.
• Fast Switching Time: The device offers a fast turn-on time of 130ns and a turn-off time of 75ns, enabling rapid signal switching without significant delays.
• Surface-Mount Compatibility: The die package is suitable for surface-mount technology (SMT), providing a compact and reliable solution for modern circuit designs.
• Compliance and Safety: The MAX392C/D is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.

MAX392C/D Applications

The MAX392C/D is ideal for a variety of applications where low-power consumption, high signal integrity, and compact design are critical. Some specific use cases include:

• Signal Routing in Mixed-Signal Systems: The low on-state resistance and low charge injection make the MAX392C/D suitable for routing analog signals in mixed-signal systems, ensuring minimal signal degradation.
• Battery-Powered Devices: The low leakage current and wide operating voltage range make it an excellent choice for battery-powered devices where power efficiency is paramount.
• Medical Equipment: The high reliability and low signal distortion are crucial for medical equipment where precise signal handling is required.
• Telecommunications: The fast switching time and low on-state resistance make the MAX392C/D suitable for high-speed signal switching in telecommunications applications.
• Consumer Electronics: The compact die package and surface-mount compatibility make it ideal for consumer electronics where space is limited.

Conclusion of MAX392C/D

The MAX392C/D is a versatile and high-performance analog switch that offers several advantages over similar models. Its low leakage current, wide operating voltage range, and low on-state resistance make it suitable for a variety of applications, particularly those requiring low power consumption and high signal integrity. The device's fast switching time and low charge injection further enhance its performance in high-speed and sensitive analog circuits. Despite being marked as obsolete, the MAX392C/D remains a reliable choice for designers seeking a compact, efficient, and high-performance analog switch.