NXP USA Inc.
Dibe ku wêne temsîl be.
Ji bo hûrguliyên hilberê li taybetmendiyan binêre.
MC145481EG
Binêre Detail DataSheets

MC145481EG

Product Overview

  • Category: Integrated Circuit
  • Use: Audio Codec
  • Characteristics: High-quality audio processing, low power consumption
  • Package: 48-pin LQFP (Low Profile Quad Flat Package)
  • Essence: MC145481EG is a highly integrated audio codec designed for various audio applications.
  • Packaging/Quantity: Available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

  • Supply Voltage: 3.3V
  • Operating Temperature Range: -40°C to +85°C
  • Audio Sampling Rate: Up to 48 kHz
  • Number of Channels: 2 stereo channels
  • Digital Interface: I2C bus compatible
  • Audio Data Format: 16-bit linear PCM

Detailed Pin Configuration

The MC145481EG has a total of 48 pins. Here is the detailed pin configuration:

  1. VDDA: Analog Power Supply
  2. VSSA: Analog Ground
  3. VDDD: Digital Power Supply
  4. VSSD: Digital Ground
  5. DVDD: Digital Core Power Supply
  6. AVDD: Analog Core Power Supply
  7. AGND: Analog Ground
  8. DGND: Digital Ground
  9. MCLK: Master Clock Input
  10. BCLK: Bit Clock Input
  11. LRCLK: Word Clock Input
  12. SDIN: Serial Data Input
  13. SDOUT: Serial Data Output
  14. RESET: Reset Input
  15. INT: Interrupt Output
  16. GPIO1: General Purpose Input/Output 1
  17. GPIO2: General Purpose Input/Output 2
  18. ...

(Continued for remaining pins)

Functional Features

  • High-quality audio processing with 16-bit resolution
  • Low power consumption for energy-efficient operation
  • I2C bus compatible digital interface for easy integration
  • Built-in interrupt output for system control
  • General Purpose Input/Output pins for additional flexibility

Advantages and Disadvantages

Advantages

  • High-quality audio processing ensures excellent sound reproduction.
  • Low power consumption extends battery life in portable devices.
  • Compact package size allows for space-saving designs.
  • I2C bus compatibility simplifies communication with other devices.

Disadvantages

  • Limited number of channels may not be suitable for complex audio systems.
  • Lack of advanced audio processing features compared to higher-end codecs.
  • Requires external components for amplification and filtering in some applications.

Working Principles

The MC145481EG operates by receiving digital audio data through the serial input port (SDIN) and converting it into analog signals. The analog signals are then processed and amplified before being output through the serial output port (SDOUT). The codec utilizes internal registers that can be accessed via the I2C bus for configuration and control purposes.

Detailed Application Field Plans

The MC145481EG is widely used in various audio applications, including:

  1. Portable audio players
  2. Mobile phones
  3. Voice recorders
  4. Automotive audio systems
  5. Home entertainment systems

Detailed and Complete Alternative Models

  1. MC145483EG: Similar audio codec with additional features such as built-in equalization and noise cancellation.
  2. MC145482EG: Higher-end audio codec with support for more channels and advanced audio processing algorithms.
  3. MC145480EG: Basic audio codec with reduced functionality and lower cost.

These alternative models provide different options based on specific application requirements and budget constraints.

Word count: 410 words

10 pirs û bersivên hevpar ên têkildarî sepana MC145481EG di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of MC145481EG in technical solutions:

  1. Q: What is MC145481EG? A: MC145481EG is a digital phase-locked loop (PLL) frequency synthesizer integrated circuit (IC) commonly used in communication systems.

  2. Q: What are the main features of MC145481EG? A: The main features of MC145481EG include a wide frequency range, low power consumption, programmable divider ratios, and compatibility with various microcontrollers.

  3. Q: How is MC145481EG typically used in technical solutions? A: MC145481EG is often used as a frequency synthesizer in applications such as wireless communication systems, satellite receivers, and radio transceivers.

  4. Q: Can MC145481EG generate multiple frequencies simultaneously? A: No, MC145481EG can only generate a single frequency at a time. However, it can be programmed to switch between different frequencies rapidly.

  5. Q: Is MC145481EG compatible with microcontrollers? A: Yes, MC145481EG is compatible with various microcontrollers through its serial interface, allowing for easy integration into digital control systems.

  6. Q: What is the frequency range of MC145481EG? A: The frequency range of MC145481EG is typically between 1 MHz and 100 MHz, making it suitable for a wide range of communication applications.

  7. Q: Can MC145481EG be used in both analog and digital systems? A: Yes, MC145481EG can be used in both analog and digital systems due to its ability to generate precise frequency signals.

  8. Q: Does MC145481EG require external components for operation? A: Yes, MC145481EG requires external components such as a crystal oscillator, loop filter, and voltage-controlled oscillator (VCO) for proper operation.

  9. Q: What is the power supply voltage range for MC145481EG? A: The power supply voltage range for MC145481EG is typically between 2.7V and 5.5V, allowing for flexibility in different system designs.

  10. Q: Are there any application notes or reference designs available for MC145481EG? A: Yes, the manufacturer of MC145481EG provides application notes and reference designs that can help engineers in implementing the IC effectively in their technical solutions.

Please note that the answers provided here are general and may vary depending on specific application requirements and design considerations.