MAX313EPE+

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MAX313EPE+ is an analog switching device from Maxim Integrated, an analog and mixed signal integrated circuit manufacturer, especially designed for automotive applications. The device is implemented with eight SPST switches and integrate 1:4 multiplexer/demultiplexer, 1:8 multiplexer, bus switch, buffer and voltage comparator. These switches and multiplexers are specifically designed for the tight space of vehicle applications and assist in adding functions to automotive products, such as computer and audio systems. With Maxim\'s proprietary Enveloc technology, it provides high solution density and extended working temperature range (–40°C to +125°C).

Application Field

MAX313EPE+ can be used in many applications, such as switching in audio systems, head unit, car PC, active antenna system and seat control system. The integrated switches can couple with other switchable devices to create a switch matrix; the voltage comparator is suitable to make audio control system more intelligent. The device is also suitable for industrial switch design, like robotic arms and serial port switching. It’s one of automotive\'s cost-effective, fully integrated switches.

Working Principle

At the heart of the MAX313EPE+ are its integrated CMOS SPST analog switches, operating from a single supply of 2.6 volts to 30V and consuming 385 nA. The switches require up to 6.5V control voltage and 5 ms control time. There are four independent 1:4 multiplexers, two independent 1:8 multiplexers, two multiplexed bus switches and two multiplexed buffers. The voltage comparator has an offset of 20 mV. When an input signal exceeds the reference signal by 20 mV, it trips and provides an output signal. It has an on-chip voltage reference as well, with a typical temperature coefficient of 0.2mV/°C.

The wide operating temperature range and high temperature performance of the MAX313EPE+ makes it ideal for applications in harsh environment, such as the interior of a car. In addition, the device provides better signal integrity in transmission control, which makes it more suitable for robust operation. Furthermore, the integrated switches can couple with other switchable devices to create a switch matrix and make the system more efficient and reliable.

In conclusion, MAX313EPE+ is an analog switching device designed for automotive applications. It features eight SPST switches and integrate 1:4 multiplexer/demultiplexer, 1:8 multiplexer, bus switch, buffer and voltage comparator. It provides wide operating temperature range, high temperature performance and signal integrity enhancement, making it a great choice for automotive applications.

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