PCM2704CDB

Product Overview

Category: Integrated Circuit (IC)

Use: The PCM2704CDB is a USB audio codec with a built-in DAC (Digital-to-Analog Converter) and ADC (Analog-to-Digital Converter). It is designed for audio applications that require high-quality sound reproduction.

Characteristics: - Compact size - Low power consumption - USB bus-powered operation - Supports various audio formats - High signal-to-noise ratio - Wide dynamic range

Package: PCM2704CDB is available in a small-sized DIP (Dual In-line Package) package, which makes it suitable for use in space-constrained applications.

Essence: The essence of PCM2704CDB lies in its ability to convert digital audio signals from a computer or other USB-enabled devices into analog signals that can be amplified and played through speakers or headphones. It also allows analog audio signals to be converted into digital format for recording or processing.

Packaging/Quantity: PCM2704CDB is typically sold in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• USB Specification: USB 2.0 Full Speed
• Sampling Rates: 8 kHz to 48 kHz
• Resolution: Up to 16-bit
• Output Voltage: 1.23 Vrms (typical)
• THD+N (Total Harmonic Distortion + Noise): 0.006% (typical)
• SNR (Signal-to-Noise Ratio): 98 dB (typical)
• Power Supply: 5V (USB bus-powered)

Detailed Pin Configuration

The PCM2704CDB has a total of 28 pins. Here is a detailed pin configuration:

1. VDD - Power supply voltage
2. VDD - Power supply voltage
3. GND - Ground
4. GND - Ground
5. GND - Ground
6. GND - Ground
7. GND - Ground
8. GND - Ground
9. GND - Ground
10. GND - Ground
11. GND - Ground
12. GND - Ground
13. GND - Ground
14. GND - Ground
15. GND - Ground
16. GND - Ground
17. GND - Ground
18. GND - Ground
19. GND - Ground
20. GND - Ground
21. GND - Ground
22. GND - Ground
23. GND - Ground
24. GND - Ground
25. GND - Ground
26. GND - Ground
27. GND - Ground
28. GND - Ground

Functional Features

• USB audio streaming: Allows seamless audio streaming between the computer and the PCM2704CDB.
• Built-in DAC and ADC: Enables high-quality digital-to-analog and analog-to-digital conversion.
• Volume control: Provides the ability to adjust the output volume digitally.
• Low power consumption: Ensures efficient operation without excessive power usage.
• Plug-and-play compatibility: Works with various operating systems without requiring additional drivers.

Advantages and Disadvantages

Advantages: - Compact size allows for easy integration into space-constrained applications. - USB bus-powered operation eliminates the need for an external power supply. - High signal-to-noise ratio ensures clear and accurate audio reproduction. - Wide dynamic range captures subtle details in audio recordings. - Supports multiple audio formats, providing flexibility in application usage.

Disadvantages: - Limited resolution of up to 16-bit may not meet the requirements of professional audio applications. - Sampling rates up to 48 kHz may not be sufficient for certain high-fidelity audio applications. - Lack of advanced features such as digital filters or equalizers.

Working Principles

The PCM2704CDB operates by receiving digital audio data from a USB source, such as a computer. It then converts the digital audio signals into analog format using its built-in DAC. The analog audio signals can be amplified and played through speakers or headphones. Similarly, it can also convert analog audio signals into digital format using its ADC for recording or further processing.

The USB interface provides both power and data connectivity, making it convenient for use with various devices. The PCM2704CDB is designed to be plug-and-play compatible, allowing for easy integration into different operating systems without requiring additional drivers.

Detailed Application Field Plans

The PCM2704CDB finds application in various audio-related fields, including but not limited to:

1. USB audio interfaces: Enables high-quality audio input and output for recording and playback purposes.
2. Portable audio devices: Provides a compact solution for USB-powered audio playback on devices like portable music players or smartphones.
3. Home audio systems: Allows for USB