PCM1792DBR

ADCs/DACs - Special Purpose Overview

The PCM1792DBR 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 an advanced segment architecture with delta-sigma modulation to achieve high performance metrics, including a typical signal-to-noise ratio of 132 dB. It operates on a single 5 V power supply and includes an internal voltage reference. The component is housed in a 28-pin SSOP package and accepts serial input data in two's complement binary format.

ADCs/DACs - Special Purpose Feature Summary

• 24-bit resolution with 192 kHz maximum sampling rate
• Advanced segment architecture for high linearity
• Internal voltage reference and single 5V supply operation
• Serial interface supporting I2C and SPI protocols

ADCs/DACs - Special Purpose Applications

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

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific revision level and RoHS compliance status against the manufacturer's current datasheet before procurement. Confirm that the SSOP-28 package dimensions match the target PCB footprint requirements. Ensure the design supports the required serial communication protocol (I2C or SPI) as defined in the control interface specifications.

ADCs/DACs - Special Purpose Selection Notes

Select this component when high dynamic range and low distortion are critical for stereo audio reproduction. Compare SNR and THD+N specifications against alternative models like the PCM1793 if cost constraints exist. Verify that the system can accommodate the 28-pin SSOP package size and that the operating temperature range of -25°C to +85°C meets environmental requirements.

ADCs/DACs - Special Purpose Part Context

The PCM1792DBR belongs to the PCM1792 family of high-performance audio DACs from Texas Instruments. It is the tape-and-reel version of the PCM1792, designed for automated surface-mount assembly. This part serves as a core conversion element in digital audio chains, translating digital bitstreams into analog signals for amplification.

ADCs/DACs - Special Purpose Replacement Considerations

The PCM1792ADBR is a variant within the same family offering similar performance characteristics. Designers should verify pin compatibility and software control register definitions when substituting between PCM1792 variants to ensure functional equivalence.