Texas Instruments
圖片可能僅供參考。
有關產品詳細信息，請參閱規格。
TLV320AIC34IZASR
詳情 數據表

TLV320AIC34IZASR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Codec
  • Characteristics: High-performance, low-power stereo audio codec with advanced features
  • Package: Small Outline Package (SOP)
  • Essence: Provides high-quality audio processing and conversion capabilities for various applications
  • Packaging/Quantity: Available in tape and reel packaging, quantity depends on customer requirements

Specifications

  • Audio Resolution: Up to 24-bit
  • Sampling Rate: Up to 192 kHz
  • Number of Channels: Stereo (2 channels)
  • Digital Interfaces: I2C, SPI, and GPIO
  • Power Supply: 3.3V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TLV320AIC34IZASR has a total of 32 pins. The pin configuration is as follows:

  1. VDDA: Analog power supply
  2. VSSA: Analog ground
  3. AVDD: Digital power supply
  4. DVDD: Digital ground
  5. AGND: Analog ground
  6. MICBIAS: Microphone bias voltage
  7. MICIN1P: Positive input for microphone 1
  8. MICIN1N: Negative input for microphone 1
  9. MICIN2P: Positive input for microphone 2
  10. MICIN2N: Negative input for microphone 2
  11. LINEINL: Left channel line input
  12. LINEINR: Right channel line input
  13. HPLCOM: Common terminal for left headphone output
  14. HPL: Left headphone output
  15. HPRCOM: Common terminal for right headphone output
  16. HPR: Right headphone output
  17. SPKL+: Positive terminal for left speaker output
  18. SPKL-: Negative terminal for left speaker output
  19. SPKR+: Positive terminal for right speaker output
  20. SPKR-: Negative terminal for right speaker output
  21. BCLK: Bit clock input
  22. WCLK: Word clock input
  23. SDIN: Serial data input
  24. SDOUT: Serial data output
  25. GPIO1: General-purpose input/output 1
  26. GPIO2: General-purpose input/output 2
  27. GPIO3: General-purpose input/output 3
  28. GPIO4: General-purpose input/output 4
  29. RESET: Reset input
  30. SDA: I2C serial data input/output
  31. SCL: I2C serial clock input
  32. AGND: Analog ground

Functional Features

  • High-quality audio processing and conversion
  • Low-power consumption
  • Support for various digital interfaces
  • Flexible GPIOs for additional functionality
  • Integrated microphone bias voltage generation
  • Programmable gain amplifiers for inputs and outputs
  • Built-in headphone and speaker amplifiers
  • On-chip PLL for clock generation

Advantages and Disadvantages

Advantages: - High audio resolution and sampling rate - Wide operating temperature range - Small package size for space-constrained applications - Versatile digital interfaces for easy integration - Low power consumption for extended battery life

Disadvantages: - Limited number of channels (stereo only) - Requires external components for certain functionalities - Higher cost compared to some alternative models

Working Principles

The TLV320AIC34IZASR operates by receiving analog audio signals from various sources such as microphones, line inputs, or digital audio interfaces. It then processes and converts these signals into digital format using high-resolution ADCs. The digital audio data can be further manipulated and enhanced using the integrated DSP functionalities. Finally, the processed audio is converted back to analog format using high-quality DACs and amplified for output to headphones, speakers, or other audio devices.

Detailed Application Field Plans

The TLV320AIC34IZASR finds applications in various fields, including but not limited to: - Portable audio devices (e.g., smartphones, tablets, portable media players) - Automotive infotainment systems - Home entertainment systems - Professional audio equipment - Gaming consoles - Voice recognition systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TLV320AIC34IZASR include: - MAX9867: High-performance audio codec with integrated digital signal processing - CS42L52: Low-power stereo audio codec with advanced features - WM8731: Stereo audio codec with integrated headphone amplifier - PCM3060: High-resolution audio codec with flexible digital interfaces

These alternative models can be considered based on specific application requirements and cost considerations.

Word count: 529 words

10個與TLV320AIC34IZASR在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of TLV320AIC34IZASR:

  1. Q: What is TLV320AIC34IZASR? A: TLV320AIC34IZASR is a digital audio codec IC (integrated circuit) designed for audio applications in various technical solutions.

  2. Q: What are the key features of TLV320AIC34IZASR? A: TLV320AIC34IZASR features include stereo audio ADC (analog-to-digital converter), DAC (digital-to-analog converter), programmable filters, microphone preamplifiers, and various audio processing capabilities.

  3. Q: What is the power supply requirement for TLV320AIC34IZASR? A: TLV320AIC34IZASR requires a power supply voltage range of 2.7V to 3.6V.

  4. Q: Can TLV320AIC34IZASR be used in portable devices? A: Yes, TLV320AIC34IZASR is suitable for portable devices due to its low power consumption and small form factor.

  5. Q: What interfaces does TLV320AIC34IZASR support? A: TLV320AIC34IZASR supports I2C (Inter-Integrated Circuit) and SPI (Serial Peripheral Interface) for control and configuration, as well as I2S (Inter-IC Sound) and TDM (Time-Division Multiplexing) for audio data transfer.

  6. Q: Can TLV320AIC34IZASR handle multiple audio channels? A: Yes, TLV320AIC34IZASR can handle up to 8 audio channels using TDM mode.

  7. Q: Does TLV320AIC34IZASR support audio sample rate conversion? A: Yes, TLV320AIC34IZASR supports audio sample rate conversion for flexible integration with different audio sources.

  8. Q: What are the typical applications of TLV320AIC34IZASR? A: TLV320AIC34IZASR is commonly used in smartphones, tablets, portable media players, gaming consoles, and other audio-related devices.

  9. Q: Can TLV320AIC34IZASR be used in professional audio equipment? A: Yes, TLV320AIC34IZASR can be used in professional audio equipment due to its high-quality audio performance and advanced audio processing capabilities.

  10. Q: Are evaluation boards or development kits available for TLV320AIC34IZASR? A: Yes, Texas Instruments provides evaluation boards and development kits that include TLV320AIC34IZASR, allowing engineers to quickly prototype and evaluate their audio solutions.

Please note that these answers are general and may vary depending on specific requirements and use cases.