PCM1738EG4

ADCs/DACs - Special Purpose Overview

The PCM1738EG4 is a stereo digital-to-analog converter (DAC) from Texas Instruments, utilizing an advanced segment architecture for high dynamic performance and jitter tolerance. It features 24-bit resolution with sampling rates up to 192 kHz. Key electrical specifications include a typical signal-to-noise ratio of 117 dB and total harmonic distortion plus noise of 0.0004%. The device operates on dual supplies: 5 V analog and 3.3 V digital, with 5 V tolerant digital inputs. It provides differential current outputs of ±2.48 mA and accepts 16-, 20-, and 24-bit audio data in Standard, I2S, or Left-Justified formats.

ADCs/DACs - Special Purpose Feature Summary

• Advanced Segment DAC Architecture
• 24-Bit Resolution, 192-kHz Sampling
• 117 dB Dynamic Range/SNR
• Differential Current Outputs

ADCs/DACs - Special Purpose Applications

• AV Receivers
• DVD Movie Players
• SACD Players
• HDTV Receivers
• Car Audio Systems

ADCs/DACs - Special Purpose Procurement Notes

Verify the EG4 suffix indicates lead-free compliance per RoHS standards. Confirm package type is SSOP-28. Check availability through authorized distributors as stock levels vary. Ensure ordering quantities match reel packaging requirements if applicable.

ADCs/DACs - Special Purpose Selection Notes

Select this component for high-fidelity stereo audio applications requiring low distortion and high dynamic range. It supports DSD decoder interfaces for SACD playback. Verify system clock compatibility with autodetect modes at 128x to 768x fS. Ensure dual-supply power design accommodates 5 V analog and 3.3 V digital rails.

ADCs/DACs - Special Purpose Part Context

The PCM1738EG4 belongs to the PCM1738 series of audio DACs. The 'G4' suffix typically denotes lead-free and RoHS-compliant manufacturing variations within the same functional specification as the standard PCM1738. It shares the same pinout and electrical characteristics as the base model.

ADCs/DACs - Special Purpose Replacement Considerations

Direct replacements include the PCM1738E. Verify that any substitute maintains the SSOP-28 package and identical electrical parameters. Cross-reference datasheets to ensure compatibility with existing digital filter and DSD decoder interfaces.