PCM1725DR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital-to-Analog Converter (DAC)
• Characteristics: High-resolution audio conversion, low distortion, wide dynamic range
• Package: SOP-16 (Small Outline Package)
• Essence: Converts digital audio signals into analog audio signals
• Packaging/Quantity: Tape and Reel, 2500 units per reel

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
• Output Voltage Range: 0 to VREF
• Power Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCM1725DR has a total of 16 pins arranged as follows:

1. VOUTL: Analog Left Channel Output
2. VCOM: Common Analog Ground
3. VOUTR: Analog Right Channel Output
4. AGND: Analog Ground
5. DVDD: Digital Power Supply
6. BCK: Bit Clock Input
7. LRCK: Word Clock Input
8. SDIN: Serial Data Input
9. MUTE: Mute Control Input
10. VREF: Reference Voltage Input
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 for accurate reproduction of digital audio signals
• Low distortion and wide dynamic range for enhanced audio quality
• Supports sampling rates up to 192 kHz for high-fidelity audio playback
• Mute control input for convenient audio control
• Reference voltage input for precise signal conversion

Advantages and Disadvantages

Advantages: - High-resolution audio conversion ensures accurate reproduction of digital audio signals. - Low distortion and wide dynamic range result in enhanced audio quality. - Supports high sampling rates for high-fidelity audio playback.

Disadvantages: - Limited pin configuration options may restrict certain applications. - Requires an external reference voltage for operation.

Working Principles

The PCM1725DR is a digital-to-analog converter (DAC) that converts digital audio signals into analog audio signals. It utilizes a high-resolution architecture to accurately reproduce the original audio waveform. The digital audio data is received through the serial data input (SDIN) pin, synchronized with the word clock (LRCK) and bit clock (BCK) inputs, and converted into analog signals at the left and right channel outputs (VOUTL and VOUTR). The reference voltage (VREF) input provides the necessary voltage reference for the conversion process.

Detailed Application Field Plans

The PCM1725DR is commonly used in various audio applications, including:

1. Professional Audio Equipment: Used in audio interfaces, mixing consoles, and studio monitors to ensure high-quality audio reproduction.
2. Consumer Electronics: Integrated into home theater systems, soundbars, and portable audio players for improved audio performance.
3. Automotive Audio Systems: Incorporated into car audio systems to deliver high-fidelity sound reproduction.
4. Musical Instruments: Utilized in synthesizers, digital pianos, and electronic drums to convert digital audio signals into analog audio output.

Detailed and Complete Alternative Models

1. PCM1796: Similar high-resolution DAC with 24-bit resolution and support for sampling rates up to 192 kHz.
2. CS4398: Another high-performance DAC with low distortion and wide dynamic range.
3. AK4490: Advanced DAC with 32-bit resolution and support for high sampling rates.

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