PCM1750U

Product Overview

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

Specifications

• Resolution: 16-bit
• Sampling Rate: Up to 48 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.002%
• Signal-to-Noise Ratio (SNR): >90 dB
• Power Supply Voltage: 5V
• Power Consumption: 8 mW (typical)

Pin Configuration

The PCM1750U has a total of 16 pins arranged as follows:

1. VOUTL - Left Channel Analog Output
2. VCOM - Common Analog Ground
3. VOUTR - Right Channel Analog Output
4. AGND - Analog Ground
5. DVDD - Digital Power Supply
6. BCK - Bit Clock Input
7. LRCK - Word Clock Input
8. DIN - Serial Data Input
9. MUTE - Mute Control Input
10. VREF - Reference Voltage Output
11. AVDD - Analog Power Supply
12. DGND - Digital Ground
13. NC - No Connection
14. NC - No Connection
15. NC - No Connection
16. NC - No Connection

Functional Features

• High-resolution audio conversion with 16-bit resolution
• Low power consumption for energy-efficient operation
• Wide dynamic range and low distortion for accurate audio reproduction
• Built-in mute control for convenient audio management
• Compact package size for space-constrained applications

Advantages and Disadvantages

Advantages: - High-performance audio conversion - Low power consumption - Wide dynamic range - Compact package size

Disadvantages: - Limited sampling rate compared to some newer models - No built-in digital audio interface

Working Principles

The PCM1750U operates by receiving a serial digital audio input signal and converting it into an analog audio output. It utilizes a 16-bit digital-to-analog conversion process to accurately reproduce the original audio waveform. The converted analog signal is then amplified and sent to the left and right channel outputs.

Detailed Application Field Plans

The PCM1750U is commonly used in various audio applications, including:

1. Consumer Electronics: DVD players, CD players, home theater systems
2. Professional Audio Equipment: Mixing consoles, audio interfaces, studio monitors
3. Automotive Audio Systems: Car stereos, amplifiers, infotainment systems
4. Telecommunications: Voice communication devices, conference systems
5. Industrial Control Systems: Audio monitoring, alarm systems, public address systems

Alternative Models

Here are some alternative models that offer similar functionality:

1. PCM1794A - 24-bit resolution, higher sampling rate support
2. PCM5102A - Integrated digital audio interface, lower power consumption
3. CS4398 - 24-bit resolution, balanced analog outputs

These alternative models can be considered based on specific requirements and application needs.

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