PCM1754DBQR

ADCs/DACs - Special Purpose Overview

The PCM1754DBQR is a stereo audio digital-to-analog converter (DAC) from Texas Instruments, housed in an SSOP-16 package. It utilizes an enhanced delta-sigma architecture with fourth-order noise shaping and eighth-order amplitude quantization to achieve high dynamic performance and jitter tolerance. The device supports 24-bit resolution and sampling rates up to 192 kHz. Key electrical specifications include a typical signal-to-noise ratio (SNR) of 106 dB, a dynamic range of 106 dB, and a total harmonic distortion plus noise (THD+N) of 0.002%. It operates on a single 5V supply (4.5V to 5.5V) and features a full-scale output voltage of 4Vpp.

ADCs/DACs - Special Purpose Feature Summary

• Enhanced Delta-Sigma Architecture: Employs fourth-order noise shaping and eighth-order amplitude quantization for superior dynamic performance and clock jitter immunity.
• High-Fidelity Audio Performance: Delivers 106 dB SNR, 106 dB dynamic range, and 0.002% THD+N at 24-bit resolution.
• Flexible Digital Interface: Supports I2S and 16-bit right-aligned data formats via a serial interface, compatible with standard audio DSPs.
• Integrated Digital Filtering: Includes selectable 4x/8x oversampling digital filters with -50dB stopband attenuation and ±0.04dB passband ripple.

ADCs/DACs - Special Purpose Applications

• Consumer audio playback devices requiring high-resolution decoding
• Home theater receivers and AV systems
• Car audio systems
• Digital audio workstations and professional audio interfaces

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix 'DBQR' corresponds to the SSOP-16 package and reel packaging configuration. Confirm RoHS compliance status through the manufacturer's official documentation or distributor datasheet before finalizing procurement. Ensure the supplier provides traceability for original Texas Instruments components to avoid counterfeit risks.

ADCs/DACs - Special Purpose Selection Notes

Select this component when a stereo DAC with 24-bit/192kHz capability is required within a compact SSOP-16 footprint. It is suitable for designs needing a single 5V supply and hardware-controllable operation without complex software initialization. Compare against PCM1753 or PCM1755 if pin compatibility or specific control interface variations are needed.

ADCs/DACs - Special Purpose Part Context

The PCM1754 belongs to the PCM175x family, which shares the same enhanced delta-sigma architecture. It is pin-compatible with the PCM1753 and PCM1755, except for pin 5. This family allows for flexible design scaling across different audio product tiers while maintaining consistent architectural benefits regarding jitter tolerance and dynamic range.

ADCs/DACs - Special Purpose Replacement Considerations

The PCM1753 and PCM1755 are direct pin-compatible alternatives within the same series, differing primarily in specific control configurations or minor parameter variations. Verify pin 5 functionality differences when substituting. No other cross-brand replacements are confirmed in the provided data.