Manufacturer Part Number
PCM2904DB
Manufacturer
Texas Instruments
Introduction
The PCM2904DB is a USB stereo audio codec optimized for interface applications.
Product Features and Performance
Stereo Audio Type
USB Data Interface
16-bit Resolution
Equipped with 2 ADCs and 2 DACs
Sigma-Delta Modulator
Signal-to-Noise Ratio: ADCs - 89dB, DACs - 96dB
Dynamic Range: ADCs - 89dB, DACs - 93dB
Supply Voltage Range: Analog and Digital 4.35V - 5.25V
Product Advantages
Integrated USB Interface
High-fidelity audio performance
No external power supply needed
Key Technical Parameters
Resolution (Bits): 16 b
Number of ADCs / DACs: 2 / 2
S/N Ratio, ADCs / DACs (db) Typ: 89 / 96
Dynamic Range, ADCs / DACs (db) Typ: 89 / 93
Quality and Safety Features
Robust operating temperature range: -25°C to 85°C
Surface Mount package for reliable soldering and assembly
Compatibility
Compatible with various standard USB audio devices
Application Areas
USB-connected audio devices
PC multimedia systems
Product Lifecycle
Status: Active
Not nearing discontinuation and replacements or upgrades currently not required
Several Key Reasons to Choose This Product
USB interface directly powered by a USB bus, eliminating need for separate supply
Superior audio performance metrics including high signal-to-noise ratio and dynamic range
Compact and robust SSOP package ideal for various multimedia applications
Reliable operation across a broad temperature range
Ease of integration into existing systems with no additional external components required for basic functionality
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