Product Description
The Texas Instruments PCM1791ADB is a premium 24-bit stereo digital-to-analog converter (DAC) designed for high-performance audio systems requiring exceptional sound quality and low distortion. Capable of supporting sampling rates up to 192kHz, the PCM1791A delivers detailed, accurate audio reproduction for professional, consumer, and high-fidelity audio applications.
Featuring a dynamic range and signal-to-noise ratio of 113dB along with ultra-low total harmonic distortion plus noise (THD+N) of just 0.0004%, the PCM1791ADB provides outstanding clarity and precision. Its advanced architecture supports both I²C and SPI control interfaces, allowing flexible integration into a wide variety of audio products.
Housed in a compact SSOP-28 surface-mount package, the PCM1791ADB is ideal for audio interfaces, digital mixers, media players, home theater systems, professional recording equipment, and other digital audio applications where premium audio performance is essential.
Features
- High-performance stereo audio DAC
- 24-bit resolution
- Supports sampling rates up to 192kHz
- Dual-channel architecture
- 113dB signal-to-noise ratio
- Ultra-low 0.0004% THD+N
- I²C and SPI control interfaces
- Advanced segment DAC architecture
- Excellent dynamic range and audio fidelity
- Compact SSOP-28 package
- Surface-mount design
- Designed for professional and consumer audio products
Applications
- Professional Audio Equipment
- Digital Mixers
- Audio Interfaces
- Media Players
- Home Theater Systems
- AV Receivers
- Streaming Audio Devices
- High-Fidelity Audio Systems
- Recording Equipment
- Studio Monitoring Systems
- Digital Signal Processors
- Embedded Audio Designs
Specifications
General
- Manufacturer: Texas Instruments
- Part Number: PCM1791ADB
- Series: PCM1791A
- Product Type: Audio Digital-to-Analog Converter (DAC)
Audio Performance
- Resolution: 24-bit
- Sampling Rate: 192kHz
- Number of Channels: 2
- Number of DACs: 2
- Number of Outputs: 2
- Signal-to-Noise Ratio (SNR): 113dB
- THD + Noise: 0.0004%
- Gain Error: 8% FSR
Interface
- I²C Interface
- SPI Interface
Power Requirements
- Minimum Supply Voltage: 4.5V
- Maximum Supply Voltage: 5.5V
- Supply Type: Analog and Digital
Environmental
- Operating Temperature Range:
- Minimum: -25°C (-13°F)
- Maximum: 85°C (185°F)
Package Information
- Package Type: SSOP-28
- Mounting Style: SMD/SMT
Physical Information
- Unit Weight: 0.0250 oz
- Unit Weight: 0.71 g
Packaging
- Tube
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