IH5051CWE

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IH5051CWE is specifically designed for interface and analog switches, multiplexers, demultiplexers applications. It consists of five logic-controlled CMOS switches, each with their own control and enable pins. When the control pin is LOW, the switch is disconnected, while a HIGH control puts the switch in closed circuit formation. By controlling the enable pin, the output is kept LOW when the switch is inactive, during which the input pins are isolated from the output pins. This device is made of advanced CMOS technology and featured with low voltage, low power consumption, low on-resistance and low crosstalk characteristics.

The IH5051CWE is a logic-controlled CMOS multiplexer/demultiplexer. It contains five switch elements. The internal equivalent gate circuit includes CMOS open-drain N-channel MOSFETS. The input buffer is a high-impedance CMOS input circuit. The pull-up resistor is inside the device and it has an internal resistor of 3.2KΩ. The control pins for each channel are Programmable. The Enable pin allows users to turn on or turn off the whole device, with tri-state output logic enabled when the device is disable. The applicable input voltage range is from 1.65V to 5.5V, with a 5V or 3V logic CMOS input compatible.

In terms of operating temperature range, the IH5051CWE has a standard operating temperature range of -40 to 85°C, with the maximum junction temperature range not exceeding the 125°C limit. Furthermore, the IH5051CWE benefit form a wide common-mode range, due to its operational amplifiers in input buffer and logic-level switching. This allows the device to be used with a wide range of inputs, ranging from 0V to 5V.

The circuit diagram of the IH5051CWE is shown below:

The IH5051CWE works by comparing the input signal level with the internal threshold voltage (Vth). If the signal is higher than Vth, the switch is open, and when the signal is lower than Vth, then the switch is closed. The function of the Enable pin is to stop or start the switching action of the device when enabled/disabled. When disabled, the Output pin is in a tri-state state, disconnected from the input signal and Vcc..

The IH5051CWE have multiplexer/demultiplexer applications, where a switch is required to shift an analog signal from one channel to another. It can also be used in communication systems, analog signal switching, programable gain amplifier and data acquisition. In addition, it can be used as a level shifter for an analog signal or digital logic level. In all these applications, the IH5051CWE provides the required input/output isolation, wide range of input voltage from 1.65V to 5.5V and tri-state output logic.

The IH5051CWE utilizes advanced CMOS technology and has internal pull-up resistors, low power consumption, low voltage, low on-resistance and low crosstalk characteristics. With the low price and wide temperature range, this device is widely used in all kind of analog switching, multiplexer and demultiplexer applications. Thus it offers a valuable benefit to the circuit designers when it comes to connecting between different circuits while maintaining optimal performance.

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