HMC857LC5TR

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Interface - Analog Switches - Special Purpose

The HMC857LC5TR is a high performance, low distortion, moderate power analog switch suitable for a wide range of applications. The switch operates at a nominal 3-5V supply voltage, provides a dynamic range of up to +3.3V, and can provide up to 50mA of peak current. The device features low on-resistance, low leakage, flat attenuation characteristics, low power consumption, and low EMI/RFI noise immunity.

Applications

The HMC857LC5TR is ideally suited for a wide range of applications including signal routing, sample-and-hold, RF attenuator and switching, and current limiting circuits. This device can be used in a wide range of audio, general purpose, and instrumentation applications such as audio routing, signal switching and conditioning, signal multiplexing, audio mute and switching, and current limiting. The device is also used in audio applications such as industrial audio systems and hi-fi audio systems.

For industry-standard applications, the HMC857LC5TR is suitable for use in 802.11 (Wi-Fi) systems, smart switch devices, Ethernet switching, USB switching, and satellite phones. The device can also be used in networking, broadcast, and telecom applications such as CDMA and GSM phones, base stations, and routers. Other applications include motor control, lighting control, and security systems.

Working Principle

The HMC857LC5TR is a three-terminal device with two input gates and one output, allowing the device to be configured as an analog switch. The input gates are connected to a source, typically a voltage or current, and the output is connected to a load. When the switch is closed, the current flows through the device unhindered, and when the switch is open, the current is blocked. This type of switching is ideal for applications requiring either high-speed switching between analog signals or fine control over the currents being switched.

The device features an offset voltage of 200mV, providing excellent linearity over the entire input range. In addition, the device has a low input leakage current of 10nA, which ensures low distortion and EMI/RFI noise immunity. The switch also features a wide operating range of up to an absolute maximum of +7V, allowing it to be used in most industrial applications.

The HMC857LC5TR can be used in many applications requiring fast and reliable switching between analog or digital signals. It is particularly useful in RF applications, where its low offset voltage and low input leakage current help provide excellent linearity and noise immunity. The switch can also be used in applications where low power consumption and low distortion are important, such as audio and video signal routing, sample-and-hold circuits, and power conditioning.

Conclusion

The HMC857LC5TR is a high performance, low distortion, moderate power analog switch suitable for a wide range of applications. It can be used in audio, video, and general-purpose routing, multiplexing, and switching applications, as well as RF attenuators and current limiting circuits. The device features low on-resistance, low leakage, flat attenuation characteristics, low power consumption, wide operating range, and low EMI/RFI noise immunity, making it ideal for a wide variety of applications.

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