DSD1791DBRG4

Product Overview

Category

DSD1791DBRG4 belongs to the category of digital-to-analog converters (DACs).

Use

This product is primarily used in audio systems to convert digital audio signals into analog signals for playback through speakers or headphones.

Characteristics

• High-resolution audio conversion
• Low distortion and noise levels
• Wide dynamic range
• Support for various audio formats
• Flexible interface options

Package

DSD1791DBRG4 is available in a small outline package (SOIC) with 28 pins.

Essence

The essence of DSD1791DBRG4 lies in its ability to accurately convert digital audio signals into high-quality analog signals, ensuring faithful reproduction of sound.

Packaging/Quantity

This product is typically packaged in reels containing 250 units per reel.

Specifications

• Resolution: Up to 24-bit
• Sampling Rate: Up to 192 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.001%
• Signal-to-Noise Ratio (SNR): >110 dB
• Dynamic Range (DR): >110 dB
• Power Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VDD: Power supply voltage
2. GND: Ground
3. DVDD: Digital power supply voltage
4. AGND: Analog ground
5. AVDD: Analog power supply voltage
6. MCLK: Master clock input
7. BCK: Bit clock input
8. LRCK: Left/right clock input
9. SDIN: Serial data input
10. SDOUT: Serial data output
11. SCLK: Serial clock input
12. RESET: Reset input
13. MODE: Mode selection input
14. DEMP: De-emphasis control input
15. MUTEP: Mute control input
16. VCOM: Common-mode voltage output
17. VREF: Reference voltage output 18-28. Analog output pins

Functional Features

• High-resolution audio conversion with low distortion and noise levels
• Support for various audio formats, including PCM and DSD
• Flexible interface options, allowing seamless integration into different audio systems
• Built-in de-emphasis and mute control features for enhanced audio performance
• On-chip reference voltage generation for accurate signal conversion

Advantages and Disadvantages

Advantages

• High-quality audio conversion
• Wide dynamic range and low distortion
• Support for multiple audio formats
• Flexible interface options

Disadvantages

• Requires external components for complete audio system integration
• Limited pin configuration options

Working Principles

DSD1791DBRG4 operates by receiving digital audio data and converting it into analog signals using a combination of digital signal processing techniques and high-precision analog circuitry. The incoming digital audio data is processed and converted into a continuous analog waveform, which can then be amplified and played back through speakers or headphones.

Detailed Application Field Plans

DSD1791DBRG4 finds applications in various audio systems, including: - Home theater systems - Professional audio equipment - Automotive audio systems - Portable media players - Digital audio workstations

Detailed and Complete Alternative Models

1. PCM1791A: Similar to DSD1791DBRG4, this DAC offers high-resolution audio conversion and support for various audio formats.
2. AK4490EQ: A popular alternative with excellent sound quality and advanced features.
3. CS4398: Known for its exceptional dynamic range and low distortion performance.

These alternative models provide similar functionality and can be considered based on specific requirements and design considerations.

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