S/N Ratio, ADCs / DACs (db) Typ:	89 / 93
Base Part Number:	PCM2906B
Supplier Device Package:	28-SSOP
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-25°C ~ 85°C
Voltage - Supply, Digital:	4.35 V ~ 5.25 V
Voltage - Supply, Analog:	4.35 V ~ 5.25 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:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction

The PCM2906BDBR is a high performance, fully-differential, stereo CODEC (coding/decoding) device featuring I2S/SPDIF digital interfaces, and a stereo 24-bit Sigma-Delta (Σ-Δ) analog-to-digital (A/D) converter and a stereo digital-to-analog (D/A) converter. It is suitable for producing a wide range of audio signals up to 24-bit resolution. This CODEC is perfectly suitable for multimedia systems, such as laptop and desktop computers, DVD players, CD players, receiver systems, monitors and televisions, DVD recorders, gaming consoles, and professional audio systems.

Working Principle

The PCM2906BDBR is designed with Δ-Σ architecture and is based on a single platform design combining both a stereo 24-bit A/D and a stereo D/A converter. The integrated A/D converter features a Δ-Σ modulator with adjustable decimation and an oversampling filter with an output resolution of up to 24-bits. Meanwhile, the integrated D/A converter integrates two “true single-bit” interpolation filters with an input resolution of up to 24-bits.The advanced digital interfaces and integrated linear filters of the PCM2906BDBR provide excellent performance suitable for high-end audio applications. The discrete-time sigma-delta modulation process of the PCM2906BDBR is designed to maintain high dynamic range and to reduce noise and out-of-band noise components. Both the integrated A/D converter and the integrated D/A converter feature a differential analog output architecture, providing excellent audio performance.

Application Field

The PCM2906BDBR is ideal for applications that require a high-performance, integrated CODEC, such as multimedia systems, DVD and CD players, gaming consoles, professional audio systems, and home theater components. The PCM2906BDBR is ideal for high-end audio systems due to its advanced digital interfaces and its 24-bit resolution.The PCM2906BDBR can be used in many different applications and scenarios. For example, it can be used in laptop computers to play audio from games, music files, and video files. It can also be used in DVD players and CD players to play audio from CDs and DVDs. It can also be used in receivers and monitors to display audio and video. Finally, the PCM2906BDBR can be used in gaming consoles and professional audio systems to enhance the sound quality.

Conclusion

The PCM2906BDBR is an advanced, integrated stereo CODEC featuring I2S/SPDIF digital interfaces and a stereo 24-bit Sigma-Delta A/D converter and a stereo digital-to-analog converter. It is perfect for high-end audio applications and is suitable for producing a wide range of audio signals up to 24-bit resolution. The PCM2906BDBR is ideal for applications that require a high-performance, integrated CODEC, such as multimedia systems, DVD and CD players, gaming consoles, professional audio systems, and home theater components.

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