PCM2704CDBR

Overview

PCM2704CDBR is a product belonging to the category of audio digital-to-analog converters (DACs). It is commonly used in various audio applications, providing high-quality sound conversion from digital to analog signals. This device is known for its exceptional characteristics, compact package, and versatile functionality.

Category

Audio Digital-to-Analog Converter (DAC)

Use

PCM2704CDBR is primarily used to convert digital audio signals into analog signals. It finds applications in audio systems such as headphones, speakers, amplifiers, and other audio playback devices.

Characteristics

• High-quality sound conversion
• Low power consumption
• Compact package
• USB interface for easy connectivity
• Supports multiple sampling rates
• Built-in headphone amplifier

Package

PCM2704CDBR is available in a small-sized surface-mount package, making it suitable for space-constrained designs. The package type is DSBGA (Dual Small Outline BGA).

Essence

The essence of PCM2704CDBR lies in its ability to provide accurate and high-fidelity audio signal conversion, ensuring an enhanced listening experience for users.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: Up to 16-bit
• Sampling Rates: 32 kHz, 44.1 kHz, 48 kHz
• Signal-to-Noise Ratio (SNR): > 90 dB
• Total Harmonic Distortion (THD): < 0.01%
• Output Voltage: 2 Vrms (typical)
• Power Supply: 5V DC

Detailed Pin Configuration

1. VDD - Power supply voltage
2. GND - Ground reference
3. SDA - I2C serial data input
4. SCL - I2C serial clock input
5. LRCK - Left/Right channel clock
6. BCK - Bit clock
7. DATA - Audio data input
8. VOUTL - Analog left channel output
9. VOUTR - Analog right channel output

Functional Features

• USB audio streaming interface
• On-chip digital interpolation filter
• Integrated 16-bit DAC
• Built-in headphone amplifier
• Low-latency performance
• Plug-and-play functionality

Advantages and Disadvantages

Advantages

• High-quality sound reproduction
• Compact size for easy integration
• Versatile sampling rate support
• Low power consumption
• Built-in headphone amplifier for convenience

Disadvantages

• Limited resolution (up to 16-bit)
• Supports a limited range of sampling rates
• Requires external power supply (5V DC)

Working Principles

PCM2704CDBR operates by receiving digital audio data through the USB interface. The on-chip digital interpolation filter processes the incoming data, which is then converted into analog signals by the integrated 16-bit DAC. The resulting analog signals are amplified and made available at the left and right channel outputs.

Detailed Application Field Plans

1. Headphone Amplifiers: PCM2704CDBR can be used in portable headphone amplifiers, providing high-quality audio playback from digital sources.
2. Multimedia Speakers: This device is suitable for multimedia speaker systems, enabling clear and accurate sound reproduction.
3. Audio Interfaces: PCM2704CDBR can be integrated into audio interfaces, allowing seamless connectivity between digital audio sources and analog output devices.
4. Home Theater Systems: It can be utilized in home theater systems to convert digital audio signals into analog for surround sound playback.

Detailed and Complete Alternative Models

1. PCM2702E - Similar functionality with a different package type (SSOP)
2. PCM2706 - Enhanced features including a built-in microphone input
3. PCM2707 - Additional support for S/PDIF output

In conclusion, PCM2704CDBR is a versatile audio DAC that offers high-quality sound conversion in a compact package. Its integration into various audio systems enhances the overall listening experience. While it has some limitations, such as limited resolution and sampling rate support, there are alternative models available with additional features to suit specific requirements.