IH5042CWE+

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IH5042CWE+ Application Field and Working Principle

The IH5042CWE+ is a high-performance, low-power analog switch designed specifically for battery-operated portable applications. It features high-reliability CMOS technology, requires minimal external components, and brings superior total power consumption performance.The part is offered in a growing product portfolio of 4-channel and 5-channel versions to meet diverse application requirements.

Applications

IH5042CWE+ switches are ideal for use in:

• Cell phones
• PDAs
• Portable audio
• GPS
• Computer peripherals
• DSL modems
• TV Tuners
• Power amplifiers
• Battery powered devices

Features and Specifications

• 4- and 5-channel versions
• High-reliability CMOS technology
• Low on-resistance, low-capacitance
• Low power consumption
• Signal bandwidth up to 200 MHz
• Control voltage and current
• High ESD immunity
• High thermal performance
• Industrial temperature range

The IH5042CWE+ is ideal for use in battery-operated portable applications where additional power management capabilities are necessary. Its ultra-low on-resistance, low-capacitance, and high signal bandwidth provide superior performance in audio applications such as stereo-headphone and differential amplifier switching.

Working Principle

The IH5042CWE+ works by providing a small voltage across its control inputs to activate the switch and permit current to flow through the device. This voltage can come from the power supply or an external signal. The switch may be activated using the positive and negative control inputs, which will activate both transistors in the switch, or just a single input, which will activate just one of the transistors. As the switch is activated, the current will flow through the switch until the control voltage is removed. The switch design also provides a thermal shutdown mechanism that will automatically shut down the switch when the temperature rises beyond a specified level.

Conclusion

The IH5042CWE+ is an ultra-low power analog switch designed especially for battery-operated portable applications. It offers high-reliability CMOS technology, requires minimal external components, and brings superior total power consumption performance. The part is offered in a growing product portfolio of 4-channel and 5-channel versions to meet diverse application requirements. The IH5042CWE+ is ideal for use in audio applications such as stereo-headphone and differential amplifier switching and other low-power applications.

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