MC145483ENR2

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The MC145483ENR2 is a CODEC integrated circuit used in various digital audio applications. It provides a low-power, low-cost solution for taking audio in digital form and converting it to analog audio and vice versa, making it ideal for use in consumer audio devices such as digital radios, portable media players, television sets and home theatre systems.

The MC145483ENR2 features an 8-bit, stereo ADC (Analog-To-Digital Converter) and a 16-bit, stereo DAC (Digital-To-Analog Converter). It also includes an analog audio and digital audio interface, as well as four built-in microphone and audio amplifier circuits. The ADC and DAC achieve a sampling frequency of up to 96 kHz and an SNR (Signal-to-Noise Ratio) of up to 95 dB.

In addition to the audio features of the MC145483ENR2, it also includes a built-in, precision voltage reference that provides a stable DC reference voltage for the audio conversion circuitry. This feature allows the MC145483ENR2 to achieve a higher fidelity audio signal, as well as ensure a constant volume level regardless of the audio source.

The MC145483ENR2 is designed for a variety of digital audio applications, such as digital recorders and players, portable media players, car audio systems, home theatre systems and digital radios. It is also used in video conferencing systems, video telephones and other audio production/manipulation applications. The MC145483ENR2’s small physical size, low power requirements and high flexibility make it well-suited for all of these types of applications.

When it comes to the working principle of the MC145483ENR2, it is quite simple. The device takes the incoming digital audio input and converts it to an analog audio signal. The analog audio signal is then fed into the ADC which converts the signal to a digital format. The digital audio signal is then processed by the on-chip digital audio interface, which performs any necessary signal processing such as sample rate conversion or encoding. The processed digital audio signal is then passed to the DAC, which converts it back to an analog signal which can be output to the speaker.

Overall, the MC145483ENR2 is an excellent choice for applications that require low-power and cost-efficient CODEC solutions. It is highly flexible and can be used in a variety of digital audio applications, from home theatre systems to digital radios. Furthermore, its built-in voltage reference ensures high audio fidelity, and its small size makes it easy to integrate into any device. Finally, its simple working principle makes it easy to use and understand.

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