PCM2901E/2K

S/N Ratio, ADCs / DACs (db) Typ:	89 / 96
Base Part Number:	PCM2901
Supplier Device Package:	28-SSOP
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply, Digital:	3 V ~ 3.6 V
Voltage - Supply, Analog:	3 V ~ 3.6 V
Dynamic Range, ADCs / DACs (db) Typ:	89 / 93
Series:	--
Sigma Delta:	Yes
Number of ADCs / DACs:	2 / 2
Resolution (Bits):	16 b
Data Interface:	USB
Type:	Stereo Audio
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction:

The PCM2901E/2K is a flexible integrated circuit designed to digitize, encode and decode audio signals. It is a sophisticated component capable of performing complex audio processing, it functions as a complete system that can be used in audio applications needing an easy to use and highly efficient system. PCM2901E/2K is integrated circuit (IC) which can process stereo digital audio signals and is widely used in audio applications. The PCM2901E/2K is a 16-bit stereo digital-to-analog converter (DAC) that features built-in digital-to-analog converters, multiband headphone amplifiers, digital filters and power supply reduction technology. This IC offers state-of-the-art features, providing high performance for audio applications and is able to handle a wide range of audio formats.

Application field:

The PCM2901E/2K is a versatile integrated circuit that can be widely used in various audio applications including automotive audio, consumer audio, and portable audio applications. In automotive audio systems, the PCM2901E/2K can be used as a digital amplifier, converting a digital signal into an analog signal. It can also be used as a digital-to-analog converter (DAC), encoding stereo sound signals into PCM format and converting them into analog signals. Additionally, the integrated circuit can be used to effectively reduce power consumption in the audio system while providing clear and powerful audio. The PCM2901E/2K is also suitable for use in consumer audio applications, such as car stereos, home theater systems, and portable stereo equipment. It can effectively convert digital audio signals into analog signals for playback and can also be used as a headphone amplifier for high quality headphone audio. The PCM2901E/2K\'s capabilities make it suitable for use as an audio DAC in portable media players, as it is able to process digital audio data and convert it into an analog signal. It also features wide dynamic range, low total harmonic distortion and a low power consumption, making it suitable for a wide range of portable audio applications.

Working principle:

The PCM2901E/2K is based on the PCM1723E/2K system architecture, which supports a variety of audio formats including PCM (linear pulse code modulation), Dolby Digital and IMA (interactive media audio) among others. The PCM2901E/2K works by converting digital stereo sound data into analog signals. It uses a sample-and-hold circuit which reads values from an input digital audio data. The data is then converted into analog waveforms, which are output as the audio signal. The PCM2901E/2K also features adaptive digital filters to reduce noise and distortion when converting from the digital to the analog domain. In addition to its audio conversion capabilities, the PCM2901E/2K also features built-in headphone amplifiers which allow for amplification of the stereo audio signals. The amplifier provides a wide dynamic range and low distortion, along with high output power, resulting in a clear and powerful audio performance.

Conclusion:

The PCM2901E/2K is a sophisticated and powerful integrated circuit designed to process stereo audio signals. It is widely used in audio applications requiring digital-to-analog conversion and audio processing capabilities. It is capable of providing high performance audio conversion and can be used in automotive audio, consumer audio and portable audio applications. In addition, its built-in multiband headphone amplifiers help to reduce power consumption while providing clear and powerful sound. Overall, the PCM2901E/2K provides highly sophisticated and versatile performance in audio conversion and is a popular choice for various audio applications.

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