PCM1754TDBQRQ1

ADCs/DACs - Special Purpose Overview

The PCM1754TDBQRQ1 is a stereo audio digital-to-analog converter (DAC) from Texas Instruments, designed for automotive applications. It features a 24-bit resolution and supports sampling rates up to 192 kHz. The device utilizes an enhanced multi-level delta-sigma architecture with fourth-order noise shaping and eighth-order amplitude quantization to achieve high dynamic performance and jitter tolerance. Key electrical specifications include a signal-to-noise ratio (SNR) of 106 dB and a total harmonic distortion plus noise (THD+N) of 0.002%. It operates on a single power supply ranging from 4.5 V to 5.5 V and communicates via a serial 3-wire interface.

ADCs/DACs - Special Purpose Feature Summary

• Enhanced Delta-Sigma Architecture: Employs fourth-order noise shaping and eighth-order amplitude quantization for superior dynamic range and clock jitter immunity.
• High Audio Performance: Delivers a 106 dB SNR and 0.002% THD+N at 24-bit resolution.
• Automotive Qualification: Designed to meet AEC-Q100 standards for automotive environments.
• Flexible Control Interface: Supports hardware mode or full user-programmable functionality via a 3-wire serial control interface with register write capabilities.

ADCs/DACs - Special Purpose Applications

• Automotive audio systems
• Car navigation units with audio playback
• In-vehicle infotainment (IVI) systems

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix 'T' indicates temperature grade variations compared to standard PCM1754 variants. Confirm AEC-Q100 qualification status through official TI documentation before integration into safety-critical automotive designs. Ensure power supply voltage remains within the 4.5 V to 5.5 V range for optimal operation.

ADCs/DACs - Special Purpose Selection Notes

Select this component for applications requiring automotive-grade reliability combined with high-fidelity audio output. Compare against PCM1754 and PCM1755 for pin compatibility, noting that PCM1753 is also pin-compatible except for pin 5. Consider the SSOP-16 package constraints for PCB layout if space is limited.

ADCs/DACs - Special Purpose Part Context

This part belongs to the PCM175x family of stereo DACs from Texas Instruments. It shares architectural similarities with the PCM1753 and PCM1755 but is specifically qualified for automotive use. It serves as a bridge between digital audio sources, such as DSPs or decoders, and analog amplifiers in vehicle sound systems.

ADCs/DACs - Special Purpose Replacement Considerations

PCM1754DBQR is a non-automotive equivalent with similar electrical characteristics but lacks AEC-Q100 qualification. PCM1753 and PCM1755 are pin-compatible alternatives within the same family, though their specific automotive ratings should be verified against design requirements.