The PCM5121PW is a high-performance, monolithic CMOS integrated circuit that includes a stereo digital-to-analog converter (DAC) and additional support circuitry from Texas Instruments. Designed for use in professional and consumer audio systems, it delivers exceptional sound quality and system integration in a compact TSSOP package.
Key Features
- High-Performance Audio: The PCM5121PW offers 112dB dynamic range and a THD+N of -93dB, providing pristine audio reproduction that satisfies audiophiles and professionals alike.
- Advanced Segment DAC Architecture: Utilizes an advanced segment DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter.
- Integrated Audio PLL: The on-chip Phase-Locked Loop (PLL) can generate the system clock from an external digital audio interface signal, reducing the need for an external crystal oscillator.
- Flexible Audio Interface: It supports I2S, Left Justified, Right Justified, DSP, and TDM audio data formats, making it compatible with a wide range of audio sources and systems.
- Programmable Functions: A variety of user-programmable functions are available, including digital attenuation, soft mute, de-emphasis, and more, offering extensive control over audio output.
- Integrated Power Supplies: The device includes on-chip LDO regulators for both the analog and digital sections, simplifying power supply design.
Applications
- A/V Receivers
- Blu-ray Players
- Home Theater Systems
- Professional Audio Equipment
- Automotive Audio Systems
- Digital Mixing Consoles
Technical Specifications
| Parameter |
Value |
| Resolution |
32-bit |
| Sampling Rate |
Up to 384 kHz |
| Dynamic Range |
112 dB |
| THD+N |
-93 dB |
| Package |
28-TSSOP |
Overall, the PCM5121PW from Texas Instruments represents a versatile and high-quality solution for digital-to-analog audio conversion in a variety of applications. Its robust feature set and superior audio performance ensure it is a top choice for designers and engineers looking to enhance their audio systems.