PCM1782DBQ

Overview

PCM1782DBQ is a digital-to-analog converter (DAC) chip that belongs to the category of audio processing devices. It is commonly used in various audio equipment and systems to convert digital audio signals into analog signals for playback through speakers or headphones. The PCM1782DBQ offers several characteristics that make it suitable for high-quality audio applications. It comes in a compact package and is known for its excellent performance, low distortion, and high signal-to-noise ratio.

Package and Quantity

The PCM1782DBQ is available in a small outline package (SOIC) with 16 pins. Each package contains one PCM1782DBQ chip.

Specifications

• Resolution: 24-bit
• Sampling Rate: Up to 192 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.001%
• Signal-to-Noise Ratio (SNR): >110 dB
• Dynamic Range (DR): >110 dB
• Power Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PCM1782DBQ has 16 pins arranged as follows:

1. VCOM
2. AVDD
3. DVDD
4. AGND
5. DGND
6. I2C_SCL
7. I2C_SDA
8. MUTE
9. SDATA_IN
10. BCK
11. LRCK
12. SCLK
13. SDATA_OUT
14. VOUTL
15. VOUTR
16. VREF

Functional Features

The PCM1782DBQ offers the following functional features:

• High-resolution audio conversion with 24-bit resolution.
• Support for sampling rates up to 192 kHz, ensuring accurate reproduction of audio signals.
• Low total harmonic distortion and noise, resulting in clear and faithful audio playback.
• Wide dynamic range and high signal-to-noise ratio for enhanced audio quality.
• Integrated I2C interface for easy control and configuration.
• Mute function for convenient audio control.

Advantages and Disadvantages

Advantages of the PCM1782DBQ include:

• High-quality audio conversion with low distortion and high signal-to-noise ratio.
• Compact package size suitable for space-constrained applications.
• Support for a wide range of sampling rates for versatile audio playback.

Disadvantages of the PCM1782DBQ include:

• Limited to 24-bit resolution, which may not meet the requirements of some advanced audio applications.
• Requires external components for power supply and audio output amplification.

Working Principles

The PCM1782DBQ operates based on the principle of digital-to-analog conversion. It receives digital audio data and converts it into analog signals using a combination of internal circuitry and algorithms. The converted analog signals can then be amplified and sent to speakers or headphones for audio playback.

Application Field Plans

The PCM1782DBQ is commonly used in various audio equipment and systems, including:

1. Hi-Fi audio systems
2. Home theater systems
3. Professional audio recording and mixing equipment
4. Automotive audio systems
5. Portable audio players

Alternative Models

Alternative models that offer similar functionality to the PCM1782DBQ include:

1. PCM1792A
2. CS4398
3. AK4490
4. WM8741
5. ES9028PRO

These alternative models provide comparable audio performance and features, allowing users to choose the most suitable DAC chip for their specific application.

In conclusion, the PCM1782DBQ is a high-performance digital-to-analog converter chip used in various audio systems. With its excellent audio quality, compact package, and versatile application range, it is a popular choice among audio enthusiasts and professionals.