PCM2901E/2K

Product Overview

• Category: Integrated Circuit
• Use: Audio Interface
• Characteristics: High-quality audio conversion, USB connectivity
• Package: 32-pin QFN (Quad Flat No-Lead)
• Essence: Digital-to-Analog Converter (DAC) and Analog-to-Digital Converter (ADC)
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• DAC Resolution: 16-bit
• ADC Resolution: 16-bit
• Sampling Rate: Up to 48 kHz
• Interface: USB 2.0 Full-Speed
• Power Supply: 5V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PCM2901E/2K has a total of 32 pins. The pin configuration is as follows:

1. VDD
2. GND
3. AGND
4. VREF
5. VCOM
6. VBUS
7. D+ (USB Data+)
8. D- (USB Data-)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)
17. NC (No Connection)
18. NC (No Connection)
19. NC (No Connection)
20. NC (No Connection)
21. NC (No Connection)
22. NC (No Connection)
23. NC (No Connection)
24. NC (No Connection)
25. NC (No Connection)
26. NC (No Connection)
27. NC (No Connection)
28. NC (No Connection)
29. NC (No Connection)
30. NC (No Connection)
31. NC (No Connection)
32. NC (No Connection)

Functional Features

• USB audio streaming
• Stereo line-level analog input and output
• Built-in headphone amplifier
• On-chip digital interpolation filter
• Low power consumption
• Plug-and-play functionality

Advantages and Disadvantages

Advantages: - High-quality audio conversion - Easy integration with USB-enabled devices - Compact package size - Low power consumption

Disadvantages: - Limited sampling rate compared to some high-end audio interfaces - No support for higher resolution audio formats

Working Principles

The PCM2901E/2K is designed to convert digital audio signals from a USB interface to analog signals for playback or vice versa. It utilizes a DAC to convert digital audio data into analog signals and an ADC to convert analog signals into digital audio data. The integrated circuit also includes a built-in headphone amplifier for direct headphone output.

Detailed Application Field Plans

The PCM2901E/2K finds applications in various fields, including:

1. Personal Computers: Provides USB audio connectivity for desktops and laptops.
2. Consumer Electronics: Enables USB audio interfaces in televisions, gaming consoles, and media players.
3. Automotive: Used in car audio systems for USB audio playback.
4. Professional Audio: Integrated into audio mixers, recording equipment, and DJ controllers for USB audio connectivity.

Alternative Models

1. PCM2900E/2K: Similar functionality but without the built-in headphone amplifier.
2. PCM2902E/2K: Adds S/PDIF (Sony/Philips Digital Interface) output capability in addition to USB audio.

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list.

This entry provides an overview of the PCM2901E/2K, its specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models. The PCM2901E/2K is a versatile audio interface integrated circuit that offers high-quality audio conversion and USB connectivity for various applications.