PCM1780DBQR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital-to-Analog Converter (DAC)
• Characteristics: High-performance, low-power consumption
• Package: SSOP-16
• Essence: Converts digital audio signals into analog audio signals
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Resolution: Up to 24-bit
• Sampling Rate: Up to 192 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.002%
• Signal-to-Noise Ratio (SNR): >100 dB
• Dynamic Range (DR): >100 dB
• Power Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCM1780DBQR has a total of 16 pins. The pin configuration is as follows:

1. VCOM: Common voltage reference for the DAC
2. VOUTL: Analog output for the left channel
3. VOUTR: Analog output for the right channel
4. AGND: Analog ground
5. DGND: Digital ground
6. DVDD: Digital power supply voltage
7. AVDD: Analog power supply voltage
8. BCK: Bit clock input
9. LRCK: Left/right clock input
10. DIN: Serial data input
11. MUTE: Mute control input
12. DEEMPH: De-emphasis control input
13. SCLK: System clock input
14. RESET: Reset control input
15. NC: No connection
16. NC: No connection

Functional Features

• High-resolution audio conversion with up to 24-bit resolution
• Supports high sampling rates up to 192 kHz
• Low total harmonic distortion and noise for accurate audio reproduction
• Wide dynamic range and high signal-to-noise ratio for clear audio playback
• Low power consumption for energy-efficient operation
• Built-in mute and de-emphasis control for enhanced audio control

Advantages and Disadvantages

Advantages: - High-performance audio conversion - Wide range of supported sampling rates - Low distortion and noise levels - Energy-efficient operation

Disadvantages: - Limited pin configuration options - Requires external components for complete audio system integration

Working Principles

The PCM1780DBQR is a digital-to-analog converter (DAC) that converts digital audio signals into analog audio signals. It utilizes advanced circuitry to accurately reproduce the original audio waveform with high fidelity. The DAC operates by receiving a digital audio stream and converting it into an analog voltage output, which can then be amplified and played through speakers or headphones.

Detailed Application Field Plans

The PCM1780DBQR is commonly used in various audio applications, including:

1. Consumer Electronics: Used in audio players, home theater systems, and soundbars to convert digital audio signals into analog audio for playback.
2. Professional Audio Equipment: Integrated into audio interfaces, mixers, and studio equipment to ensure high-quality audio conversion.
3. Automotive Audio Systems: Utilized in car audio systems to provide accurate and high-fidelity audio reproduction.
4. Telecommunications: Incorporated into telecommunication devices such as VoIP phones and conference systems for clear audio transmission.

Detailed and Complete Alternative Models

1. PCM1796: Similar to PCM1780DBQR but offers higher resolution and improved performance.
2. PCM5102A: Provides similar functionality with additional features like built-in headphone amplifier.
3. CS4398: Competing DAC with comparable specifications and performance.

These alternative models offer different features and performance levels, allowing users to choose the most suitable option based on their specific requirements.

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