Veja as especificações para detalhes do produto.
PCM2901EG4
Overview
Category: Integrated Circuit (IC)
Use: Audio Codec
Characteristics: - High-quality stereo audio codec - Supports USB 2.0 full-speed protocol - Low power consumption - Small form factor - Easy integration into various audio applications
Package: SSOP-28
Essence: The PCM2901EG4 is a high-performance audio codec designed for use in various audio applications, providing high-quality stereo audio conversion and processing capabilities.
Packaging/Quantity: The PCM2901EG4 is typically sold in reels of 2500 units.
Specifications
- Audio Interface: USB 2.0 Full-Speed
- Resolution: 16-bit
- Sampling Rate: Up to 48 kHz
- Digital-to-Analog Converter (DAC): 2 channels
- Analog-to-Digital Converter (ADC): 2 channels
- Power Supply Voltage: 3.3V
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The PCM2901EG4 features a SSOP-28 package with the following pin configuration:
- VDD
- GND
- AGND
- DVDD
- LOUT
- ROUT
- LIN
- RIN
- MICBIAS
- MICIN
- MICGND
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- USBP
Functional Features
- USB audio streaming
- Stereo line input and output
- Microphone input with bias voltage support
- Programmable gain amplifiers
- Digital volume control
- Integrated headphone amplifier
- Low-latency audio processing
Advantages and Disadvantages
Advantages: - High-quality audio conversion - Easy integration with USB-enabled devices - Low power consumption - Compact form factor - Wide operating temperature range
Disadvantages: - Limited number of channels (2) - Limited resolution (16-bit)
Working Principles
The PCM2901EG4 operates by receiving digital audio data from a USB host device through the USB interface. The digital audio data is then converted into analog signals using the integrated DAC. The analog signals can be further processed or directly output to external audio devices.
Detailed Application Field Plans
The PCM2901EG4 is commonly used in various audio applications, including but not limited to: - USB audio interfaces - Headsets and headphones - Portable audio players - Soundbars and home theater systems - Automotive audio systems - Gaming peripherals
Alternative Models
- PCM2900EG4: Similar audio codec with USB interface, but without microphone input support.
- PCM2902EG4: Audio codec with USB interface and additional S/PDIF digital audio output.
- PCM2904EG4: Audio codec with USB interface, stereo line input/output, and microphone input support.
These alternative models offer similar functionality and can be considered as alternatives based on specific application requirements.
In conclusion, the PCM2901EG4 is a high-quality audio codec designed for USB audio applications. Its compact size, low power consumption, and easy integration make it suitable for a wide range of audio devices. However, its limited number of channels and resolution may restrict its use in certain applications requiring higher audio capabilities.
Liste 10 perguntas e respostas comuns relacionadas à aplicação de PCM2901EG4 em soluções técnicas
Sure! Here are 10 common questions and answers related to the application of PCM2901EG4 in technical solutions:
Q1: What is PCM2901EG4? A1: PCM2901EG4 is a USB stereo audio codec with a built-in USB interface. It is commonly used for audio applications that require USB connectivity.
Q2: What are the key features of PCM2901EG4? A2: The key features of PCM2901EG4 include USB 2.0 compatibility, stereo ADC and DAC, programmable sample rates, integrated analog PLL, and low power consumption.
Q3: How can I connect PCM2901EG4 to my microcontroller or computer? A3: PCM2901EG4 has a built-in USB interface, so you can directly connect it to your microcontroller or computer using a USB cable.
Q4: Can PCM2901EG4 be used for both audio input and output? A4: Yes, PCM2901EG4 has both stereo ADC (audio input) and DAC (audio output), making it suitable for applications requiring both audio input and output.
Q5: What is the maximum sample rate supported by PCM2901EG4? A5: PCM2901EG4 supports a maximum sample rate of 48 kHz.
Q6: Does PCM2901EG4 require external power supply? A6: No, PCM2901EG4 is powered directly from the USB bus, eliminating the need for an external power supply.
Q7: Can PCM2901EG4 be used in battery-powered devices? A7: Yes, PCM2901EG4 has low power consumption, making it suitable for battery-powered devices.
Q8: Is PCM2901EG4 compatible with Windows, Mac, and Linux operating systems? A8: Yes, PCM2901EG4 is compatible with Windows, Mac, and Linux operating systems as it follows the USB audio class specification.
Q9: Can PCM2901EG4 be used in professional audio applications? A9: While PCM2901EG4 is suitable for many audio applications, it is primarily designed for consumer-grade audio solutions rather than professional audio applications.
Q10: Are there any evaluation boards or development kits available for PCM2901EG4? A10: Yes, Texas Instruments provides evaluation boards and development kits for PCM2901EG4, which can help you quickly prototype and develop your audio solution.
Please note that these answers are general and may vary depending on specific application requirements.