Viz Specifikace pro podrobnosti o produktu.
PCM2912PJT
Overview
Category: Integrated Circuit (IC)
Use: Audio Codec
Characteristics: - High-quality stereo audio codec - USB interface for easy integration with digital audio systems - Low power consumption - Compact package size - Versatile functionality
Package: TQFP (Thin Quad Flat Package)
Essence: The PCM2912PJT is a high-performance audio codec IC that provides high-quality stereo audio conversion and processing capabilities. It is designed to be easily integrated into various digital audio systems.
Packaging/Quantity: The PCM2912PJT is available in a TQFP package and is typically sold in reels of 2500 units.
Specifications
- Audio Resolution: Up to 16-bit
- Sampling Rate: Up to 48 kHz
- Digital Interface: USB 2.0 Full Speed
- Analog Inputs: Stereo Line-In, Microphone-In
- Analog Outputs: Stereo Line-Out, Headphone-Out
- Power Supply: 3.3V
Pin Configuration
The PCM2912PJT has a total of 32 pins. The pin configuration is as follows:
1 VDDA Analog Power Supply
2 AGND Analog Ground
3 MICBIAS Microphone Bias Voltage
4 MICINN Microphone Negative Input
5 MICINP Microphone Positive Input
6 MICB Microphone Bias Current
7 LINEINR Right Channel Line-In Input
8 LINEINL Left Channel Line-In Input
9 LINEOUTR Right Channel Line-Out Output
10 LINEOUTL Left Channel Line-Out Output
11 HPOUTR Right Channel Headphone-Out Output
12 HPOUTL Left Channel Headphone-Out Output
13 VDD Digital Power Supply
14 DGND Digital Ground
15 USBP USB Positive Data Line
16 USBN USB Negative Data Line
17 XTI Crystal Oscillator Input
18 XTO Crystal Oscillator Output
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
- High-quality audio conversion and processing
- USB interface for easy integration with digital audio systems
- Built-in microphone bias voltage and current sources
- Stereo line-in and line-out inputs/outputs
- Headphone output for direct audio playback
- Low power consumption for energy-efficient operation
Advantages and Disadvantages
Advantages: - High audio quality - Easy integration with digital audio systems - Compact package size - Versatile functionality
Disadvantages: - Limited audio resolution (up to 16-bit) - Restricted sampling rate (up to 48 kHz)
Working Principles
The PCM2912PJT operates by converting analog audio signals into digital data using its built-in ADC (Analog-to-Digital Converter). The digital audio data is then processed and converted back into analog signals using the DAC (Digital-to-Analog Converter) before being outputted through the appropriate channels.
Application Field Plans
The PCM2912PJT is widely used in various applications, including: - USB audio interfaces - Portable audio devices - Audio recording and playback systems - Multimedia devices - Automotive audio systems
Alternative Models
Some alternative models to the PCM2912PJT include: - PCM2900C - PCM2707 - CS4344 - WM8731
These models offer similar functionality and can be considered as alternatives depending on specific requirements and preferences.
Word count: 436 words
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací PCM2912PJT v technických řešeních
Sure! Here are 10 common questions and answers related to the application of PCM2912PJT in technical solutions:
Q: What is PCM2912PJT? A: PCM2912PJT is a USB audio codec with a built-in USB interface, designed for audio applications such as USB speakers, headphones, and microphones.
Q: What are the key features of PCM2912PJT? A: The key features of PCM2912PJT include stereo ADC and DAC, USB 2.0 full-speed compliant interface, integrated analog microphone preamp, and support for various audio formats.
Q: How can I connect PCM2912PJT to my system? A: PCM2912PJT can be connected to your system using a USB cable. It acts as a plug-and-play device, eliminating the need for additional drivers.
Q: Can PCM2912PJT be used with both Windows and Mac operating systems? A: Yes, PCM2912PJT is compatible with both Windows and Mac operating systems. It supports standard USB audio class drivers.
Q: What audio formats does PCM2912PJT support? A: PCM2912PJT supports various audio formats, including 16-bit stereo audio at sample rates up to 48 kHz.
Q: Can PCM2912PJT be used for recording audio? A: Yes, PCM2912PJT can be used for recording audio. It has a built-in stereo ADC (Analog-to-Digital Converter) that allows capturing audio from external sources.
Q: Does PCM2912PJT require an external power supply? A: No, PCM2912PJT is powered directly from the USB bus. It does not require an external power supply.
Q: Can PCM2912PJT be used in low-power applications? A: Yes, PCM2912PJT has a low-power mode that allows it to operate efficiently in low-power applications.
Q: Are there any evaluation boards or development kits available for PCM2912PJT? A: Yes, Texas Instruments provides evaluation boards and development kits for PCM2912PJT, which can help in the prototyping and development process.
Q: Where can I find more technical information about PCM2912PJT? A: You can find more technical information, including datasheets, application notes, and reference designs, on the official website of Texas Instruments or by contacting their technical support team.