SSM2166SZ-REEL

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SSM2166SZ-REEL Application Field and Working Principle

The SSM2166SZ-REEL is a high performance, low distortion audio amplifier module developed by Analog Device. It is ideal for use in audio systems requiring high dynamic range from very low noise levels, and it can be used in a variety of industries.

The SSM2166SZ-REEL is designed for demanding audio applications such as automotive, home theater, and professional audio systems, as well as for SWAS and PA amplifiers. The linear architecture of the device enables low system noise and distortion, making it suitable for use in various applications. Its low power consumption makes it suitable for battery powered systems.

The amplifier’s linear architecture is composed of two specifically designed, complementary high-speed, high-voltage stereo power amplifiers. The first amplifier is the input stage, while the second amplifier is the output stage—both optimally tailored for high-performance audio applications. The combination of the two amplifier stage provides high slew rates and wide bandwidth, with very low noise and high output power.

The working principle of the SSM2166SZ-REEL amplifier is based on the use of input differential-pair transistors, where the two transistors are operated in the active region by two separate bias supplies. This combination produces two sets of signals – positive and negative – from the input voltage signal. These two output signals are then amplified separately using an output differential-pair, with their combined signal providing the output. The overall design of the amplifier ensures excellent linearity, with low noise and distortion levels.

The SSM2166SZ-REEL module also comes with an integrated, externally adjustable current source for output current limiting and protection against over currents. In addition, the device features an integrated thermal protection circuit to help protect the amplifier from thermal over-temperature conditions.

In summary, the SSM2166SZ-REEL is a high-performance, low-distortion audio amplifier module, suitable for a wide range of audio applications. Its linear architecture provides high distortion and low noise specifications, while its low power consumption and integrated current and thermal monitoring circuits provide excellent protection and make it a reliable choice for any audio system.

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