Maxim Integrated MAX393ESE Precision Quad SPST Analog Switch

The MAX393ESE from Maxim Integrated is a high-performance precision quad single-pole single-throw (SPST) analog switch that offers an ideal solution for applications requiring low on-resistance and low-voltage operation. This device is part of Maxim's precision switch family, which is designed to operate with a single +5V supply or dual ±15V supplies, providing versatility for different system requirements.

The MAX393ESE features four independently controllable switches, each with an on-resistance of typically 10Ω. This low on-resistance ensures minimal signal distortion and reduces power consumption, making it suitable for battery-powered devices. Furthermore, the on-resistance is matched between switches to within 2Ω and remains flat over the specified signal range, ensuring consistent performance across all channels.

Designed with CMOS technology, the MAX393ESE offers a fast switching speed of 175ns for turn-on and 145ns for turn-off, which makes it an excellent choice for sample-and-hold circuits, test equipment, and audio signal routing. Its high off-isolation of -83dB at 1MHz minimizes crosstalk between channels, preserving signal integrity in multiplexing applications.

The MAX393ESE also features low charge injection of 5pC, which reduces the impact on the signal during the switching process, making it ideal for precision analog applications. Its low power consumption is complemented by a power supply current of only 0.1µA, further enhancing its suitability for power-sensitive designs.

With an extended temperature range of -40°C to +85°C, the MAX393ESE is robust and reliable, capable of operating in a variety of environmental conditions. The device is offered in a 16-pin narrow SO package, providing a compact footprint for space-constrained applications.

In summary, the Maxim Integrated MAX393ESE analog switch combines low on-resistance, matched channel characteristics, fast switching, and low power consumption, making it an excellent choice for designers looking to optimize their analog signal routing in a wide range of applications, from precision instrumentation to portable devices.