PCM1741E/2K

Product Overview

The PCM1741E/2K is a high-performance digital-to-analog converter (DAC) belonging to the category of audio and video processing integrated circuits. It is commonly used in audio equipment, such as digital audio players, home theater systems, and professional audio interfaces. The PCM1741E/2K is known for its exceptional audio quality, low distortion, and high signal-to-noise ratio. It is available in a small outline package (SOP) and comes in quantities suitable for both individual and industrial applications.

Specifications

• Resolution: 24-bit
• Sampling Rate: Up to 192 kHz
• Output Channels: 2
• Dynamic Range: 112 dB
• Total Harmonic Distortion + Noise (THD+N): -100 dB
• Power Supply Voltage: 5 V
• Package Type: SOP

Detailed Pin Configuration

The PCM1741E/2K features a 16-pin SOP package with the following pin configuration: 1. VOUTR: Right Channel Analog Output 2. VOUTL: Left Channel Analog Output 3. VCOM: Common Analog Output 4. DGND: Digital Ground 5. DVDD: Digital Power Supply 6. BICK: Bit Clock Input 7. LRCK: Word Clock Input 8. SDIN: Serial Data Input 9. MUTE: Mute Control 10. SCLK: System Clock Input 11. PDN: Power Down Control 12. AVDD: Analog Power Supply 13. AGND: Analog Ground 14. FLT: Zero Detect Flag 15. DEMP: De-emphasis Control 16. FS0: Sampling Frequency Select

Functional Features

The PCM1741E/2K incorporates advanced digital signal processing techniques to ensure accurate and high-fidelity audio reproduction. It supports various input data formats, including I2S, left-justified, and right-justified, making it versatile for different audio system designs. The DAC also includes built-in digital de-emphasis and zero detect functions, enhancing its compatibility with different audio sources.

Advantages and Disadvantages

Advantages

• High-resolution audio output
• Low distortion and noise
• Wide dynamic range
• Versatile input data format support

Disadvantages

• Requires external digital filter and oversampling circuitry for optimal performance
• Limited to 2 output channels

Working Principles

The PCM1741E/2K operates by converting digital audio data into analog signals using a precision multi-bit sigma-delta modulator. The converted analog signals are then filtered and amplified to produce the final audio output. The DAC's high-resolution and low-distortion characteristics are achieved through careful design and implementation of the internal digital and analog circuitry.

Detailed Application Field Plans

The PCM1741E/2K is well-suited for a wide range of audio applications, including: - High-end digital audio players - Professional audio recording and mixing equipment - Home theater systems - Automotive audio systems - Audio interfaces for studio monitors and headphones

Detailed and Complete Alternative Models

• PCM1742E/2K: Similar specifications with enhanced digital filtering capabilities
• PCM1743E/2K: Higher resolution and extended dynamic range for audiophile-grade applications
• PCM1744E/2K: Four-channel version for multi-speaker audio systems

In conclusion, the PCM1741E/2K is a versatile and high-performance DAC suitable for various audio applications, offering exceptional audio quality and flexibility in design. Its integration of advanced digital signal processing techniques makes it an ideal choice for demanding audio systems.

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