NCP4894DMR2G

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NCP4894DMR2G Application Field and Working Principle

NCP4894DMR2G is one of many audio power amplifiers from ON Semiconductor, intended for use in a broad range of applications and designed for long-term stability and performance. This amplifier is capable of driving 2-channel audio outputs of up to 2W per channel, and can be easily integrated into any audio system.

As one of ON Semiconductor’s audio amplifiers, the NCP4894DMR2G belongs to the category of linear amplifiers, also known as classic analog amplifiers. A linear amplifier amplifies a signal without altering the shapes of its waveforms, which is why this type of amplifier is ideal for audio applications. The goal of a linear amplifier is to provide a gain, or increased level, to the signal in order to make it louder.

The Principle of Operation

The NCP4894DMR2G uses differential amplifier stages to provide an excellent signal to noise ratio and reduced distortion. The amplifier features an adjustable gain of up to 8.5dB, with an input range of 0.35Vpp to 5Vpp and an output range of 1.5Vpp to 8Vpp. The amplifier is powered from a single-supply voltage of 3V to 10.5V, and it can support both balanced and unbalanced inputs, depending on the application needs.

The amplifier provides a power-save mode which reduces quiescent current when there is no signal present, thus conserving energy. This makes the amplifier well suited for battery-powered applications. The amplifier also features an integrated thermal shutdown protection. If the amplifier reaches an internal temperature of 135°C it will disable the outputs, protecting the circuit from damage.

Key Features of the NCP4894DMR2G

• 2-channel audio amplifier with 2W per channel of output power
• Differential amplifier stages which provide an excellent signal to noise ratio and reduced distortion
• Adjustable gain of up to 8.5dB
• Input range of 0.35Vpp to 5Vpp and an output range of 1.5Vpp to 8Vpp
• Power-save mode which reduces quiescent current for reduced energy consumption
• Integrated thermal shutdown protection

Applications

The NCP4894DMR2G is a versatile and reliable amplifier which can be used in a variety of audio applications. It is ideal for consumer and professional audio systems where reliable performance and low power consumption are important.

The amplifier can be used in in-car audio systems, home theaters, portable speakers, consumer electronics, and many more applications. The amplifier can also be used in professional audio systems for applications such as instrument amplifiers, public address systems, studio monitors and more.

The NCP4894DMR2G is built by leading manufacturer ON Semiconductor with over 40 years of experience. The amplifier is dependable and easy to integrate, making it an excellent choice for many audio applications.

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