PCM1704U-J

Overview

Category: Digital-to-Analog Converter (DAC)

Use: The PCM1704U-J is a high-performance DAC designed for audio applications. It converts digital audio signals into analog signals with exceptional accuracy and fidelity.

Characteristics: - High-resolution audio reproduction - Low distortion and noise levels - Wide dynamic range - Dual-channel configuration - Compatibility with various audio formats

Package: The PCM1704U-J comes in a 28-pin SSOP (Shrink Small Outline Package) format, which ensures compactness and ease of integration into audio systems.

Essence: The PCM1704U-J is renowned for its ability to faithfully reproduce audio signals, delivering a rich and immersive listening experience.

Packaging/Quantity: The PCM1704U-J is typically sold in reels containing 250 units per reel.

Specifications

• Resolution: 24-bit
• Sampling Rate: Up to 96 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.001%
• Signal-to-Noise Ratio (SNR): >120 dB
• Output Voltage Range: ±2.5 V
• Power Supply Voltage: ±5 V

Pin Configuration

The PCM1704U-J features a 28-pin SSOP package with the following pin configuration:

1. VOUTL-
2. VOUTL+
3. AGND
4. DGND
5. VCOM
6. VREF
7. VCC
8. VCC
9. VCC
10. VCC
11. VCC
12. VCC
13. VCC
14. VCC
15. VCC
16. VCC
17. VCC
18. VCC
19. VCC
20. VCC
21. VCC
22. VCC
23. VCC
24. VCC
25. VCC
26. VCC
27. VCC
28. VOUTR+

Functional Features

• High-resolution audio reproduction: The PCM1704U-J supports 24-bit resolution, ensuring accurate and detailed audio playback.
• Low distortion and noise levels: With a THD+N of less than 0.001%, the DAC minimizes unwanted artifacts and ensures pristine sound quality.
• Wide dynamic range: The device offers a wide dynamic range, allowing for faithful reproduction of both soft and loud audio passages.
• Dual-channel configuration: The PCM1704U-J provides two independent channels, enabling stereo audio output.
• Compatibility with various audio formats: It is compatible with popular audio formats such as PCM, DSD, and DXD.

Advantages and Disadvantages

Advantages: - Exceptional audio quality - High-resolution playback - Low distortion and noise levels - Wide dynamic range - Dual-channel configuration

Disadvantages: - Relatively higher cost compared to lower-end DACs - Requires external components for complete audio system integration

Working Principles

The PCM1704U-J utilizes advanced digital-to-analog conversion techniques to accurately convert digital audio signals into analog waveforms. It employs a multi-bit architecture and a sophisticated oversampling process to achieve high-resolution audio reproduction.

The device incorporates a precision voltage reference and a current output stage to ensure accurate signal conversion. It also features a digital filter that removes unwanted noise and artifacts from the audio signal.

Detailed Application Field Plans

The PCM1704U-J finds applications in various high-fidelity audio systems, including: - Audiophile-grade digital music players - Professional studio equipment - High-end home theater systems - Car audio systems - Musical instrument amplifiers

Alternative Models

For those seeking alternative options, the following DACs can be considered: - PCM1794A - AK4499EQ - ES9038PRO - CS4398

These models offer similar performance and features to the PCM1704U-J, providing alternatives for different design requirements.

In conclusion, the PCM1704U-J is a high-performance digital-to-analog converter that excels in audio reproduction. With its exceptional resolution, low distortion, and wide dynamic range, it is widely used in various high-fidelity audio applications. While it may have a higher cost compared to some alternatives, its superior audio quality makes it a preferred choice for discerning audiophiles and professionals alike.