MAX4613CPE

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Analog switches have become increasingly important components in many circuits due to their ability to switch signals between two or more locations. In addition, these switches have made analog circuit designs more robust and efficient. The MAX4613CPE is one such device that offers low-voltage analog switching and low-power consumption. This article will discuss the application field and working principle of the MAX4613CPE.

Application Field

The MAX4613CPE is a low-voltage analog multiplexer/demultiplexer that provides four channels of single-pole/double-throw (SPDT) switching. It is ideal for a wide range of applications including gain selection and signal multiplexing in audio, industrial control and communications systems. This switch operates over a wide range of supply voltages, from 1.8V to 5.5V, and is specified over the -40°C to +85°C temperature range. It also has an excellent 500MHz bandwidth and a very low on-resistance of 200 ohms.

The MAX4613CPE is available in a lead-free, space-saving 8-pin SOIC package. With a quiescent current of only 1.2mA, it is well suited for a variety of applications requiring low power consumption.

Working Principle

The MAX4613CPE consists of four independent switches, each with two digital control inputs and one switch output. The two control inputs determine the switch position for the corresponding switch output. When the control inputs are set to logic high, the output is connected to the “A” input. When the control inputs are set to logic low, the output is connected to the “B” input. The “B” input can be connected to both the switch outputs, allowing the output of one switch to control the input of the next switch in a multiplexer or demultiplexer chain. The switch outputs are also internally wired so that three independent channels of differential data can be provided.

The MAX4613CPE is designed so that all device power-consuming circuitry is disabled when the power supply voltage is below 0.75V. This prevents the device from operating in its low leakage state and prevents any current leakage up to a supply voltage of 5.5V. This feature allows the device to be used in applications where the input signal voltage is independent of the power supply voltage, such as a typical headphone jack.

The MAX4613CPE is a versatile device that can be used in a wide variety of applications. Its small size, low power consumption and wide operating voltage range make it an excellent choice for many audio, industrial control and communications applications.

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