Maxim Integrated MAX4518CPD Precision Analog Multiplexer

The MAX4518CPD is a high-performance analog multiplexer from Maxim Integrated, designed to provide precision signal routing in various applications. This integrated circuit (IC) is a part of the MAX4518 series and is known for its low on-resistance and low leakage currents, making it an ideal choice for data acquisition systems, test equipment, and communication systems where signal integrity is paramount.

This multiplexer features a single 8-channel configuration, which allows one of eight inputs to be selected and connected to the output. The channel selection is determined by the address inputs, which are binary coded. The MAX4518CPD operates from a single supply voltage ranging from +4.5V to +36V or a dual supply of ±4.5V to ±20V, providing flexibility for different system designs.

The device boasts low charge injection, which minimizes signal distortion during switching, and the ESD protection ensures robustness in harsh environments. The MAX4518CPD also features break-before-make switching action, which prevents momentary shorting when switching between channels. This characteristic is particularly important in applications where signal integrity is critical.

With its extended temperature range, the MAX4518CPD is suitable for industrial applications, functioning reliably between -40°C to +85°C. The IC comes in a 14-pin PDIP package, which is easy to integrate into existing designs and is compatible with standard breadboards and sockets for prototyping purposes.

Key specifications of the MAX4518CPD include:

• Low on-resistance: 100Ω (max)
• Low leakage current: 2.5nA (max) at +25°C
• Fast switching times: t_ON = 175ns and t_OFF = 145ns (max)
• High off-isolation: -80dB at 1MHz
• Single or dual supply operation
• Pin-compatible with industry-standard 74HC4051

Whether you are designing a precision data acquisition system, a complex communication device, or a sophisticated test and measurement instrument, the Maxim Integrated MAX4518CPD offers the performance and reliability you need to ensure accurate signal routing and integrity.