PCM1727E/2KG4

Product Overview

Category: Integrated Circuit (IC)

Use: The PCM1727E/2KG4 is a high-performance digital-to-analog converter (DAC) designed for audio applications. It converts digital audio signals into analog signals with exceptional accuracy and fidelity.

Characteristics: - High-resolution audio conversion - Low distortion and noise levels - Wide dynamic range - Support for various audio formats - Flexible interface options

Package: The PCM1727E/2KG4 comes in a small outline integrated circuit (SOIC) package, which provides ease of integration into audio systems.

Essence: The essence of the PCM1727E/2KG4 lies in its ability to faithfully reproduce digital audio signals as high-quality analog audio signals, ensuring an immersive and accurate listening experience.

Packaging/Quantity: The PCM1727E/2KG4 is typically sold in reels containing 250 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: 5V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PCM1727E/2KG4 has a total of 20 pins. Here is the detailed pin configuration:

1. VOUTL-: Negative output for left channel
2. VOUTL+: Positive output for left channel
3. AGND: Analog ground
4. VCOM: Common-mode voltage reference
5. VREF: Reference voltage input
6. DVDD: Digital power supply
7. SDIN: Serial data input
8. SCLK: Serial clock input
9. LRCK: Left/right channel select input
10. MUTE: Mute control input
11. VOUTR-: Negative output for right channel
12. VOUTR+: Positive output for right channel
13. DGND: Digital ground
14. AVDD: Analog power supply
15. BICK: Bit clock input
16. RESET: Reset control input
17. FS: Frame sync input
18. DEMP: De-emphasis control input
19. NC: No connection
20. NC: No connection

Functional Features

• High-resolution audio conversion: The PCM1727E/2KG4 supports 24-bit resolution, allowing for accurate reproduction of even the most subtle audio details.
• Low distortion and noise levels: With a THD+N of less than 0.001%, the PCM1727E/2KG4 ensures minimal distortion and noise interference in the analog audio output.
• Wide dynamic range: The DAC offers a wide dynamic range, enabling it to faithfully reproduce both soft and loud audio passages with clarity.
• Support for various audio formats: The PCM1727E/2KG4 is compatible with popular audio formats such as PCM, DSD, and DXD, making it versatile for different audio applications.
• Flexible interface options: The IC provides multiple interface options, including I2S, left-justified, and right-justified, allowing seamless integration with various digital audio sources.

Advantages and Disadvantages

Advantages: - High-resolution audio conversion for superior sound quality - Low distortion and noise levels ensure accurate audio reproduction - Wide dynamic range captures the full spectrum of audio dynamics - Versatile interface options for easy integration into audio systems

Disadvantages: - Requires external components for complete audio system implementation - Limited availability of alternative models with similar specifications

Working Principles

The PCM1727E/2KG4 utilizes a delta-sigma modulation technique to convert digital audio signals into analog form. It employs oversampling and noise shaping to achieve high-resolution conversion with low distortion and noise levels. The digital audio data is processed internally, and the resulting analog signal is amplified and filtered before being output through the left and right channels.

Detailed Application Field Plans

The PCM1727E/2KG4 finds applications in various audio systems, including: - High-end consumer audio equipment - Professional audio recording and mixing consoles - Digital audio workstations (DAWs) - Home theater systems - Automotive audio systems

Alternative Models

While the PCM1727E/2KG4 is a highly capable DAC, there are alternative models available in the market that offer similar functionality. Some notable alternatives include: - PCM1794A - AK4490EQ - ES9038PRO

These alternative models provide comparable performance and features, allowing users to choose the most suitable option for their specific audio application requirements.

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