Overview
The Texas Instruments PCM1795 is a high-performance 32-bit stereo digital-to-analog converter (DAC) designed for advanced audio applications. It features a 192-kHz sampling rate and utilizes Texas Instruments' advanced segment DAC architecture, delivering exceptional dynamic performance with a typical dynamic range of 123 dB and low total harmonic distortion plus noise (THD+N) of 0.0005%. The device offers balanced current outputs, allowing for flexible analog performance optimization.
Key Features
- 32-bit resolution and up to 192-kHz sampling rate
- Advanced Segment DAC architecture
- Stereo audio output with balanced current outputs
- Supports PCM (Standard, I2S, Left-Justified) and DSD audio data formats
- User-programmable digital filter with sharp or slow roll-off options
- Digital attenuation and de-emphasis controls
- SPI or I2C serial control interface
- Low jitter tolerance
- Compatible with PCM1792A and PCM1796
Applications
- A/V Receivers
- SACD Players
- DVD Players
- HDTV Receivers
- Car Audio Systems
- Digital Multitrack Recorders
Technical Specifications
The PCM1795 is available in a 28-pin SSOP package. It operates with a 5-V analog supply (VCC) and a 3.3-V digital supply (VDD).
For detailed specifications, timing requirements, and application circuits, refer to the full datasheet.
