Texas Instruments

PCM1804DB

PCM1804DB Description

The PCM1804DB from Texas Instruments is a high-performance, 24-bit stereo audio ADC designed for professional and consumer audio applications. Housed in a 28-pin SSOP package, it supports a sampling rate of up to 192 kHz, delivering exceptional audio fidelity. The device operates with dual voltage supplies (3V–3.6V analog, 4.75V–5.25V digital), ensuring flexibility in system integration. Compliant with ROHS3 and REACH standards, it is suitable for global markets. Its I2S data interface simplifies digital audio system design, while its surface-mount form factor enables compact PCB layouts.

PCM1804DB Features

• 24-bit resolution for high dynamic range and low distortion.
• Dual-channel (stereo) ADC with 192 kHz sampling rate, ideal for high-fidelity audio capture.
• Wide voltage supply range (3V–3.6V analog, 4.75V–5.25V digital) for versatile power management.
• I2S output interface ensures seamless compatibility with DSPs, microcontrollers, and audio processors.
• Low noise and high SNR for pristine audio quality in demanding environments.
• Surface-mount (SSOP-28) package optimizes board space and manufacturability.
• Moisture Sensitivity Level (MSL) 1 allows unlimited floor life, simplifying storage and handling.

PCM1804DB Applications

The PCM1804DB excels in applications requiring high-resolution audio conversion, such as:

• Professional audio equipment: Mixers, recorders, and studio interfaces.
• Consumer audio: Hi-fi systems, soundbars, and home theater setups.
• Broadcast and streaming: High-quality audio capture for live production.
• Automotive infotainment: Premium in-car audio systems with low-noise performance.
• Industrial audio analysis: Precision measurement and testing tools.

Conclusion of PCM1804DB

The PCM1804DB stands out for its 24-bit resolution, 192 kHz sampling rate, and robust I2S interface, making it a top choice for high-end audio systems. Its dual-supply operation, low noise, and compact packaging provide design flexibility across professional, consumer, and industrial markets. For engineers seeking a reliable, high-performance audio ADC, the PCM1804DB delivers unmatched quality and integration ease.