PCM2904DBG4

S/N Ratio, ADCs / DACs (db) Typ:	89 / 96
Base Part Number:	PCM2904
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:	Active
Packaging:	Tube

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Introduction to PCM2904DBG4

The PCM2904DBG4 is an advanced interface CODEC designed to enable manufacturers to create a variety of consumer electronics and automotive audio devices with improved performance, enhanced features, and a high degree of integration. This device is highly configurable, allowing the user to customize their product’s performance to meet their exact requirements. In addition, the PCM2904DBG4 contains a high-efficiency Digital-to-Analog Converter, which provides an excellent cost-performance ratio.

Application Field

The PCM2904DBG4 is ideal for use in consumer, automotive, and professional audio devices. It is especially well suited as an interface for portable audio products such as MP3 players, portable game consoles, and personal computers, and home audio components such as multi-channel receivers, DVD players, and amplifiers. Additionally, the device can be used in professional sound systems for high-fidelity playback in home recording and high-end audiophile systems.Its on-chip features include four digitally controlled inputs, six stereo analog outputs, a stereo headphone amplifier, and an on-chip digital signal processor (DSP) with automatic volume control, equalization, and level/balance control. This allows it to be easily integrated into any system, and its wide range of features and customizable options make it a great choice for products requiring high performance audio at a cost-effective price.

Working Principle

The PCM2904DBG4 operates as both a transmitter and receiver. It uses a Digital-to-Analog Converter (DAC) to convert a digital signal into an analog output and an Analog-to-Digital Converter (ADC) to convert an analog input into digital signals. Its versatile nature allows it to process multiple audio signals at once and perform complex operations on them, such as summing the signals to a single output and performing multi-channel equalization.The input and output formats are configurable to accommodate a variety of applications. The device also features a wide range of features to provide excellent noise and distortion performance, including over sampling, digital filter, digital gain control, and digital peak clipping. It also has low power consumption and is highly reliable, making it an ideal choice for cost-conscious designers.

Conclusion

The PCM2904DBG4 is a versatile and powerful interface CODEC that enables the user to customize the audio performance of their product to meet their exact needs. It contains a high-efficiency Digital-to-Analog Converter and is highly configurable and programmable, allowing it to be easily integrated into any system. Additionally, it features a wide range of features to provide excellent noise and distortion performance, and its low power consumption makes it a cost-effective solution.

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Part Number	Manufacturer	Price	Quantity	Description