PCM2702EG4

Overview

Category: Integrated Circuit (IC)

Use: Digital-to-Analog Converter (DAC) and USB Audio Interface

Characteristics: - High-performance stereo DAC - USB 1.1 compliant interface - Supports 16-bit and 24-bit audio data formats - Sampling rates up to 48 kHz - Low power consumption - Small package size

Package: SSOP-28

Essence: The PCM2702EG4 is a high-quality stereo DAC and USB audio interface integrated circuit. It allows for the conversion of digital audio signals into analog signals, making it suitable for various audio applications.

Packaging/Quantity: The PCM2702EG4 is available in an SSOP-28 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Digital Audio Format Support: 16-bit and 24-bit
• Sampling Rates: Up to 48 kHz
• Interface: USB 1.1 compliant
• Output Channels: Stereo (2 channels)
• Power Supply Voltage: 5V
• Power Consumption: Low power consumption
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PCM2702EG4 has a total of 28 pins. The pin configuration is as follows:

Pin 1: VDD Pin 2: GND Pin 3: VCOM Pin 4: AGND Pin 5: DGND Pin 6: VBUS Pin 7: D+ (USB Data+) Pin 8: D- (USB Data-) Pin 9: SDA (I2C Serial Data) Pin 10: SCL (I2C Serial Clock) Pin 11: BCK (Bit Clock) Pin 12: LRCK (Left/Right Clock) Pin 13: DIN (Digital Audio Data Input) Pin 14: MUTE Pin 15: VOUTL (Analog Output - Left Channel) Pin 16: VOUTR (Analog Output - Right Channel) Pin 17: AVDD Pin 18: DVDD Pin 19: XTI (Crystal Oscillator Input) Pin 20: XTO (Crystal Oscillator Output) Pin 21: NC (No Connection) Pin 22: NC (No Connection) Pin 23: NC (No Connection) Pin 24: NC (No Connection) Pin 25: NC (No Connection) Pin 26: NC (No Connection) Pin 27: NC (No Connection) Pin 28: NC (No Connection)

Functional Features

• High-performance stereo DAC for accurate audio reproduction
• USB interface allows for easy connection to various devices
• Supports multiple digital audio formats for compatibility
• Low power consumption for energy efficiency
• Small package size enables compact designs

Advantages and Disadvantages

Advantages: - High-quality audio output - Easy integration with USB devices - Wide range of supported audio formats - Low power consumption for portable applications - Compact package size for space-constrained designs

Disadvantages: - Limited sampling rate compared to some high-end DACs - May require additional components for certain applications - Not suitable for professional audio production due to limited resolution

Working Principles

The PCM2702EG4 works by receiving digital audio data through the USB interface. It then converts the digital data into analog signals using its built-in digital-to-analog converter. The converted analog signals are then amplified and output through the left and right channels.

Application Field Plans

The PCM2702EG4 is commonly used in various audio applications, including: - USB audio interfaces - Portable audio players - Sound cards - Home theater systems - Multimedia speakers

Alternative Models

1. PCM2704: Similar to PCM2702EG4 but with additional features such as a headphone amplifier.
2. PCM2706: Enhanced version of PCM2702EG4 with improved performance and additional features.
3. PCM2707: USB audio interface with integrated microphone input and headphone amplifier.

These alternative models offer different functionalities and may be suitable for specific application requirements.

In conclusion, the PCM2702EG4 is a high-performance stereo DAC and USB audio interface IC. It offers excellent audio quality, easy integration, and low power consumption. While it has some limitations in terms of sampling rate and professional audio production, it is widely used in various audio applications.