TDA8424/V7,112

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TDA8424/V7,112 is an Audio Special Purpose device. It is an integrated circuit designed to support various applications including tone control in consumer applications, audio mixing, and formant shaping with real-time gain adjustment per each filter.

The device is specifically designed for sound processing applications by providing high-quality tone control functions at a low cost. Its versatility and performance make it an ideal solution for cost-effective audio solutions.

The TDA8424/V7,112 is a fully integrated, single-chip solution for stereo and mono audio tones control applications. The device features two op-amps, each optimized for different frequency responses. The high-frequency, low-frequency, and low-gain circuits allow users to perform tone control from any audio source, solving industry-wide issues with background noise and sound clarity.

The TDA8424/V7,112 employs an integrated 24-bit sigma-delta A/D converter coupled to three integrated high fidelity digital equalizers. Each equalizer features five filters per channel, allowing for an adjustable low-order Butterworth filter, a high-order Butterworth filter, and three linear phase filters. Each filter has adjustable gain, attenuation, and Q-factor settings.

The TDA8424/V7,112 is designed to minimize ripple effects and pop noise on the audio signal, while providing a subtle overall sound tuning. The three-band equalizer provides a smooth frequency response by cutting out frequencies that are outside of the speaker’s range. Additionally, the low- and high-cut filters provide additional audio enhancement.

The TDA8424/V7,112 includes an adjustable-delay line for intended applications where an additional delay in the audio signal should be added for a complete sound control experience. The adjustable-delay line is digitally programmable and helps to achieve a natural sound with minimal degradation.

In addition, the TDA8424/V7,112 includes a low-level detector for audible low-level noises such as those created by digital crosstalk and hum. The detector is adjustable, allowing users to precisely set the threshold for the detector.

The TDA8424/V7,112 also includes a low-level peak limiter and a high-level gain reduction circuit. These functions ensure that peak levels which could affect the overall sound are limited to maintain optimum distortion levels. The high-level gain reduction circuit can reduce or increase the gain depending on the peak level detected.

The TDA8424/V7,112 also offers a variety of other features such as a power-on reset, mute control, soft-start, automatic volume control, and a DC protection circuit. These components ensure that the device is properly powered-on and that there is no interference or unwanted sound.

The TDA8424/V7,112 is an ideal solution for audio applications requiring high-quality sound processing functions to enhance sound clarity, reduce background noise, and control sound distortion. The fully integrated, single-chip design allows for cost-effective implementation of audio enhancement functions at a very low cost.

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