TDA7267

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The TDA7267 is a two-channel audio amplifier IC (Integrated Circuit) designed to be used in consumer, car and professional audio applications. It is a linear amplifier IC that has been designed for low power operation and high efficiency. The advantages of the TDA7267 are the very low quiescent current (operating current) required, the low number of external components needed and the high efficiency achieved.

The TDA7267 is a linear amplifier IC that combines gain and output accuracy. It also provides very high frequency response and low noise levels. This makes it ideal for use in car audio systems and other applications that require accurate amplification with low power operation. The TDA7267 features a very low on-resistance which allows it to operate at higher power levels. It also provides an output voltage swing of up to 20V peak-to-peak.

The TDA7267 is a two channel amplifier IC and is available in five versions; the TDA7267A, the TDA7267B, the TDA7267C, the TDA7267D and the TDA7267E. Each version offers different features and gain ranges.

The TDA7267 is available in a variety of packages such as the 8-pin SOIC, the 8-pin DIP, the 8-pin SMD, the 16-pin DIP and the 20-pin QFN package. It is also available in different voltage ratings, typically 6V and 12V.

The TDA7267 features an integrated step-down DC-DC converter, enabling an operating voltage range from 2V to 28V, allowing the amplifier output voltage level to be adjusted in 2V increments.

The TDA7267 is designed to drive one or two loudspeakers independently or in bridged-mode. It includes some protection circuitry such as integrated thermal protection with current sense, crossover distortion shutdown, over-temperature protection, under-voltage protection and output short-circuit protection.

In order to accurately amplify the audio signal, the TDA7667 includes both a pre-amplification and a post-amplification stage. The pre-amplification stage includes an operational amplifier (op-amp) configured as a differential front-end. This stage allows for accurate signal condition and helps to reduce input offset voltage and noise. The post-amplification stage is a simple two-quadrant multiplier which features a fixed gain that is set by external resistors.

In summary, the TDA7267 is a two-channel audio amplifier IC designed for low power operation, high efficiency, low-noise and accurate performance. It features an integrated DC-DC converter, a pre-amplification and post-amplification stage and is available in a range of packages. Its low on-resistance makes it suitable for use in a variety of applications.

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