PCM1771PWG4

Overview

Product Category: Integrated Circuit (IC)

Use: The PCM1771PWG4 is a high-performance stereo audio digital-to-analog converter (DAC) designed for various audio applications.

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

Package: The PCM1771PWG4 is available in a small-sized 20-pin TSSOP package, which ensures easy integration into different electronic devices.

Essence: The PCM1771PWG4 is the core component responsible for converting digital audio signals into analog signals with high fidelity and accuracy.

Packaging/Quantity: The PCM1771PWG4 is typically sold in reels containing 250 units per reel.

Specifications

• Resolution: Up to 24-bit
• Sampling Rate: Up to 192 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.001%
• Signal-to-Noise Ratio (SNR): >100 dB
• Dynamic Range (DR): >110 dB
• Power Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PCM1771PWG4 features a 20-pin TSSOP package with the following pin configuration:

1. VCOM: Common voltage reference
2. DVDD: Digital power supply
3. AGND: Analog ground
4. AVDD: Analog power supply
5. SDIN: Serial data input
6. SCLK: Serial clock input
7. LRCK: Left/right channel clock input
8. MUTE: Mute control input
9. DEEMPH: De-emphasis control input
10. BICK: Bit clock input
11. SDOUT: Serial data output
12. VREF: Reference voltage output
13. VOUTR: Right channel analog output
14. VOUTL: Left channel analog output
15. AGND: Analog ground
16. AVDD: Analog power supply
17. DVDD: Digital power supply
18. VCOM: Common voltage reference
19. NC: No connection
20. NC: No connection

Functional Features

• High-resolution audio conversion for superior sound quality
• Support for various audio formats, including PCM and DSD
• Built-in digital filters for enhanced audio performance
• Programmable gain control for volume adjustment
• Soft mute and de-emphasis functions for improved audio playback experience

Advantages and Disadvantages

Advantages: - High-quality audio conversion with low distortion and noise levels - Wide dynamic range for accurate reproduction of audio signals - Flexible control options for customization - Compact package size for easy integration into different devices

Disadvantages: - Limited availability of alternative models with similar specifications - Relatively higher cost compared to lower-end DACs

Working Principles

The PCM1771PWG4 operates by receiving digital audio data through the serial input interface. It then converts the digital data into analog signals using a high-resolution digital-to-analog conversion process. The converted analog signals are then amplified and output through the left and right channel analog outputs.

Detailed Application Field Plans

The PCM1771PWG4 is widely used in various audio applications, including: - Professional audio equipment - Home theater systems - Automotive audio systems - Portable media players - Soundbars and speakers

Alternative Models

While the PCM1771PWG4 offers exceptional performance, there are alternative models available in the market that can be considered as alternatives. Some popular alternatives include: - PCM1794A - CS4398 - AK4490

These alternative models offer similar specifications and can be suitable replacements depending on specific requirements.

In conclusion, the PCM1771PWG4 is a high-performance stereo audio DAC that provides excellent audio conversion capabilities. With its compact package size and wide range of features, it finds applications in various audio systems, delivering superior sound quality and fidelity.