PAM8303CBSCA

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PAM8303CBSCA application field and working principle

The PAM8303CBSCA is one of the most popular audio amplifiers used in linear - amplifiers - audio applications. This device is based on the active differential input stage with low noise voltage amplifier technology and high current capabilities designed to suit a variety of audio applications.

The PAM8303CBSCA has been developed with an optimal combination of system cost and performance, offering high output power without the need for bulky components and featuring low operating current and low profile package. The PAM8303CBSCA is a dual-channel audio amplifier suitable for stereo audio applications, particularly in automotive and home stereo systems. It has a low idle current and a wide operating voltage range, enabling it to be powered from a variety of power sources.

Function:

The PAM8303CBSCA consists of two amplifier circuits in an 8-pin package. The first amplifier is an active differential input stage with a low noise voltage amplifier, capable of delivering 2.8W of power into a 4Ω load. The second amplifier is a high current operational output device capable of delivering up to 4.5W into an 8Ω load. The device is designed to work with a low voltage supply of 3V to 6V and has a low distortion performance with a signal-to-noise ratio of 82 dB at 130Hz. The PAM8303CBSCA has a high slew rate of 4V/us, which enables it to deliver higher output power with reduced current consumption.

Applications:

The PAM8303CBSCA is ideal for high fidelity audio applications such as automotive sound systems, home theater systems, portable CD players and other portable audio equipment where quality sound is desired. It can also be used in industrial applications such as audio monitoring systems, alarm systems, surveillance systems, and other audio transmission/processing systems. The low voltage operation of the PAM8303CBSCA also makes it suitable for powering applications such as surveillance cameras, home automation systems, and portable power tools.

Working Principle:

The PAM8303CBSCA works by using two amplifier stages. The first stage consists of a differential input stage, with a low noise voltage amplifier, and a second output stage, which consists of a high current operational output device. The differential input stage contains two input terminals, a negative and a positive input terminal. When a signal is applied to either terminal, it causes a differential voltage at the outputs of the two amplifiers. This differential voltage is then amplified using the voltage amplifier. The resulting output signal is then applied to the high current output device, which provides the power capabilities of the device.

The PAM8303CBSCA has a high output power and provides a wide operating voltage range, which makes it an ideal choice for high power audio applications. It has a low power consumption, low distortion and high signal-to-noise ratio. It is also designed to be compatible with a variety of power sources, making it a versatile and cost-effective solution for high fidelity audio applications.

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