PCM1755DBQ

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital-to-Analog Converter (DAC)
• Characteristics: High-performance, low-power consumption
• Package: DBQ (SSOP-16)
• Essence: Converts digital audio signals into analog audio signals
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Resolution: Up to 24-bit
• Sampling Rate: Up to 192 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.001%
• Signal-to-Noise Ratio (SNR): >100 dB
• Power Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VCC: Power supply voltage
2. GND: Ground
3. SDIN: Serial data input
4. SCLK: Serial clock input
5. LRCK: Left/right channel clock input
6. MUTE: Mute control input
7. VOUTL: Analog output for left channel
8. VCOM: Common voltage for analog outputs
9. VOUTR: Analog output for right channel
10. AGND: Analog ground
11. AVCC: Analog power supply voltage
12. DVCC: Digital power supply voltage
13. BICK: Bit clock input
14. WS: Word select input
15. RESET: Reset control input
16. NC: No connection

Functional Features

• High-resolution audio conversion
• Low power consumption
• Built-in digital filters for enhanced sound quality
• On-chip mute function for easy control
• Wide operating voltage range for flexibility
• Supports various sampling rates and bit depths

Advantages

• High-quality audio conversion with low distortion
• Compact package size for space-constrained designs
• Low power consumption extends battery life in portable devices
• Versatile compatibility with different audio formats and systems

Disadvantages

• Limited number of analog outputs (stereo only)
• Requires external components for complete audio system integration
• Higher cost compared to lower-end DACs

Working Principles

The PCM1755DBQ is a digital-to-analog converter that operates by converting digital audio signals into analog audio signals. It utilizes advanced circuitry and algorithms to accurately reproduce the original audio waveform with high fidelity. The digital input data is processed through internal filters and converted into an analog voltage output, which can then be amplified and fed into speakers or headphones.

Detailed Application Field Plans

1. Audio equipment: The PCM1755DBQ is commonly used in audio equipment such as CD players, digital audio players, home theater systems, and soundbars.
2. Automotive audio systems: It finds applications in car audio systems, providing high-quality audio playback in vehicles.
3. Professional audio: The DAC is suitable for professional audio equipment like studio monitors, mixing consoles, and audio interfaces.
4. Consumer electronics: It can be integrated into various consumer electronic devices like televisions, gaming consoles, and multimedia speakers.

Detailed and Complete Alternative Models

• PCM1754DBQ: Similar specifications but with 20-bit resolution instead of 24-bit.
• PCM1794DBQ: Higher-end DAC with 32-bit resolution and advanced features.
• PCM5102A: Lower-cost DAC with 16-bit resolution, suitable for basic audio applications.

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