PCM1803DBR

Product Overview

Category

PCM1803DBR belongs to the category of audio analog-to-digital converters (ADCs).

Use

It is primarily used in audio recording and playback systems, where it converts analog audio signals into digital format for further processing.

Characteristics

• High-resolution: PCM1803DBR supports up to 24-bit resolution, ensuring accurate conversion of analog signals.
• Low distortion: It offers low total harmonic distortion (THD) and noise, resulting in high-quality audio reproduction.
• Wide dynamic range: The device provides a wide dynamic range, allowing it to capture both soft and loud sounds accurately.
• Integrated features: PCM1803DBR includes built-in digital filters and decimation filters, simplifying the design process.

Package

PCM1803DBR comes in a small outline package (SOIC) with 28 pins.

Essence

The essence of PCM1803DBR lies in its ability to convert analog audio signals into digital form while maintaining high fidelity and accuracy.

Packaging/Quantity

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

Specifications

• Resolution: Up to 24 bits
• Sampling Rate: Up to 96 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.005%
• Signal-to-Noise Ratio (SNR): >100 dB
• Dynamic Range: >100 dB
• Power Supply Voltage: 5 V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VCC: Power supply voltage input
2. GND: Ground reference
3. DVDD: Digital power supply voltage input
4. AGND: Analog ground reference
5. BICK: Bit clock input
6. LRCK: Left/right clock input
7. DIN: Serial data input
8. MCLK: Master clock input
9. DOUT: Serial data output
10. VREF: Reference voltage output

(Note: The remaining pins are not listed here for brevity.)

Functional Features

• High-resolution audio conversion
• Low distortion and noise
• Integrated digital filters for enhanced audio performance
• Flexible clocking options for synchronization with external devices
• Power-down mode for energy efficiency

Advantages and Disadvantages

Advantages

• High-quality audio conversion
• Wide dynamic range
• Integrated features simplify system design
• Energy-efficient power-down mode

Disadvantages

• Limited sampling rate compared to some higher-end models
• Requires external components for complete audio system implementation

Working Principles

PCM1803DBR operates by receiving analog audio signals through its input pins. It then converts these signals into digital format using an internal ADC. The converted digital data is processed further or transmitted to other devices via the output pins.

Detailed Application Field Plans

PCM1803DBR finds applications in various audio recording and playback systems, including: - Professional audio recording equipment - Home theater systems - Audio interfaces for computers - Musical instruments and synthesizers - Automotive audio systems

Detailed and Complete Alternative Models

1. PCM1802DBR: Similar to PCM1803DBR but without integrated digital filters.
2. PCM1804DBR: Higher-resolution version with 32-bit audio conversion capability.
3. PCM1805DBR: Lower-cost variant with reduced features but suitable for basic audio applications.

(Note: This list includes only a few alternative models for reference. There are several other alternatives available in the market.)

In conclusion, PCM1803DBR is a high-quality audio ADC that offers accurate and high-resolution conversion of analog audio signals. Its integrated features, wide dynamic range, and low distortion make it suitable for various audio applications. While it has some limitations in terms of sampling rate and external component requirements, it remains a popular choice among audio system designers.