PCM1803ADBR

Overview

PCM1803ADBR is a product belonging to the category of audio analog-to-digital converters (ADCs). It is commonly used in various audio recording and processing applications. This device offers several characteristics that make it suitable for high-quality audio conversion. The PCM1803ADBR comes in a small package, making it easy to integrate into different systems. Its essence lies in its ability to convert analog audio signals into digital format with exceptional accuracy. Each package contains one PCM1803ADBR unit.

Specifications

• Resolution: 24-bit
• Sampling Rate: Up to 96 kHz
• Signal-to-Noise Ratio (SNR): 105 dB
• Total Harmonic Distortion (THD): 0.002%
• Power Supply Voltage: 5 V
• Power Consumption: 10 mW (typical)

Pin Configuration

The PCM1803ADBR features a total of 28 pins, each serving a specific function. Here is a detailed pin configuration:

1. VCC: Power supply voltage input
2. AGND: Analog ground
3. AVCC: Analog power supply voltage input
4. DVCC: Digital power supply voltage input
5. DGND: Digital ground
6. BICK: Bit clock input
7. LRCK: Left/right clock input
8. DIN: Serial data input
9. MCLK: Master clock input
10. DOUT: Serial data output
11. FLT: Digital filter selection 12-28. Reserved

Functional Features

The PCM1803ADBR offers several functional features that enhance its performance:

• High-resolution audio conversion: With a resolution of 24 bits, it ensures accurate representation of analog audio signals.
• Wide sampling rate range: It supports sampling rates up to 96 kHz, allowing for high-fidelity audio capture.
• Low distortion and noise: The device maintains a low total harmonic distortion (THD) of 0.002% and a high signal-to-noise ratio (SNR) of 105 dB, resulting in clear audio reproduction.
• Flexible digital filter selection: The FLT pin allows users to choose between different digital filter options, tailoring the sound output to their preferences.

Advantages and Disadvantages

Advantages: - High-resolution audio conversion for accurate signal representation. - Wide sampling rate range enables capturing high-fidelity audio. - Low distortion and noise ensure clear audio reproduction. - Flexible digital filter selection enhances sound customization.

Disadvantages: - Limited pin configuration options may restrict certain system designs. - Requires external power supply for operation.

Working Principles

The PCM1803ADBR operates based on the principle of analog-to-digital conversion. It receives analog audio signals through its input pins and converts them into digital format using an internal ADC. The converted digital data is then processed further or transmitted to other digital audio devices.

Application Field Plans

The PCM1803ADBR finds applications in various audio-related fields, including:

1. Professional audio recording systems
2. Musical instruments and synthesizers
3. Audio mixers and consoles
4. Home theater systems
5. Automotive audio systems

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the PCM1803ADBR:

1. PCM1804ADBR: Similar specifications with improved dynamic range.
2. PCM1864ADBR: Higher resolution and additional features such as built-in microphone amplifiers.

In conclusion, the PCM1803ADBR is a versatile audio ADC that offers high-resolution conversion, wide sampling rates, and low distortion. Its compact package and functional features make it suitable for various audio applications. However, designers should consider alternative models based on specific requirements.