PCM1793DBG4

ADCs/DACs - Special Purpose Overview

The PCM1793DBG4 is a stereo audio digital-to-analog converter (DAC) manufactured by Texas Instruments. It features a 24-bit resolution and supports sampling rates up to 192 kHz. The device utilizes a delta-sigma architecture with a serial interface for data input. Key electrical specifications include a signal-to-noise ratio of 113 dB and a total harmonic distortion plus noise of 0.0004%. It operates on a single analog and digital power supply ranging from 4.5 V to 5.5 V. The component is housed in an SSOP-28 package and functions within a temperature range of -25°C to +85°C.

ADCs/DACs - Special Purpose Feature Summary

• 24-bit resolution with 192 kHz sampling rate capability
• High performance metrics: 113 dB SNR and 0.0004% THD+N
• Integrated internal voltage reference
• Serial interface compatibility

ADCs/DACs - Special Purpose Applications

• High-fidelity audio systems
• Professional audio equipment
• Home theater receivers

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix 'G4' indicates RoHS compliance and lead-free status as per Texas Instruments standards. Confirm the package type is SSOP-28 and ensure the operating voltage requirements match the system design constraints of 4.5 V to 5.5 V. Cross-reference the datasheet for pinout compatibility if replacing existing components.

ADCs/DACs - Special Purpose Selection Notes

Select this component for applications requiring high dynamic range and low distortion in stereo audio paths. Ensure the host microcontroller supports the required serial communication protocol. Verify that the thermal management solution accommodates the SSOP-28 package dimensions and the specified operating temperature range.

ADCs/DACs - Special Purpose Part Context

The PCM1793DBG4 belongs to the PCM1793 series of audio DACs from Texas Instruments. It is part of a family designed for advanced stage stereo conversion, offering high performance relative to standard consumer audio codecs. The 'G4' suffix typically denotes environmental compliance modifications within the same functional specification.

ADCs/DACs - Special Purpose Replacement Considerations

Direct replacements may include other PCM179x series variants or similar high-performance stereo DACs from Texas Instruments. Verify pinout and register compatibility before substitution. Consult the manufacturer's cross-reference guide for confirmed equivalent part numbers.