PCM1796DBR

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The PCM1796DBR is a high-performance stereo audio DAC designed for professional audio applications. It converts digital audio signals into analog signals with exceptional accuracy and fidelity.

Characteristics: - High-resolution audio playback - Low distortion and noise levels - Wide dynamic range - Support for various audio formats - Flexible interface options

Package: The PCM1796DBR comes in a small outline package (SOIC) with 28 pins.

Essence: The essence of the PCM1796DBR lies in its ability to faithfully reproduce digital audio signals with high precision, ensuring an immersive and accurate audio experience.

Packaging/Quantity: The PCM1796DBR is typically sold 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): >120 dB
• Dynamic Range (DR): >120 dB
• Power Supply Voltage: 5 V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCM1796DBR has a total of 28 pins, each serving a specific function. Here is a detailed pin configuration:

1. VCOM: Common voltage reference
2. AGND: Analog ground
3. DGND: Digital ground
4. AVCC: Analog power supply
5. DVCC: Digital power supply
6. BCK: Bit clock input
7. DOUT: Serial data output
8. LRCK: Left/right clock input
9. MUTE: Mute control input
10. SDMODE: Serial data mode select
11. SDIN: Serial data input
12. VOUTL: Left channel analog output
13. VOUTR: Right channel analog output 14-28. Reserved

Functional Features

• High-resolution audio playback: The PCM1796DBR supports up to 24-bit resolution, allowing for the reproduction of detailed and accurate audio signals.
• Low distortion and noise levels: With a THD+N of less than 0.001% and an SNR and DR exceeding 120 dB, the PCM1796DBR ensures minimal distortion and noise interference.
• Flexible interface options: The DAC offers multiple input and output options, including serial data input/output and left/right clock inputs, providing compatibility with various audio systems.

Advantages and Disadvantages

Advantages: - High-quality audio reproduction - Wide dynamic range - Versatile interface options - Compact package size

Disadvantages: - Requires external components for complete audio system integration - Limited pin configuration options

Working Principles

The PCM1796DBR operates on the principle of converting digital audio signals into analog form using a combination of advanced digital signal processing techniques and high-quality digital-to-analog conversion circuitry. It utilizes a multi-bit architecture to achieve accurate and precise audio reproduction.

Detailed Application Field Plans

The PCM1796DBR finds applications in various professional audio fields, including: 1. Studio recording and mixing consoles 2. Digital audio workstations (DAWs) 3. High-end audio equipment 4. Home theater systems 5. Automotive audio systems

Detailed and Complete Alternative Models

1. PCM1792A: Similar to PCM1796DBR but with a different pin configuration.
2. PCM1794A: Higher-resolution DAC with improved performance specifications.
3. PCM1798: Stereo audio DAC with integrated volume control functionality.

These alternative models offer similar functionality and performance characteristics, providing options for different system requirements.

In conclusion, the PCM1796DBR is a high-performance stereo audio DAC that excels in accuracy, fidelity, and versatility. Its wide range of applications and compatibility with various audio systems make it a popular choice among professionals in the audio industry.

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