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MC145481EN

MC145481EN

Product Overview

  • Category: Integrated Circuit
  • Use: Audio Codec
  • Characteristics: High-quality audio processing, low power consumption
  • Package: DIP (Dual In-line Package)
  • Essence: MC145481EN is an integrated circuit designed for audio codec applications. It provides high-quality audio processing capabilities while consuming minimal power.
  • Packaging/Quantity: The MC145481EN is typically sold in packs of 10.

Specifications

  • Power Supply Voltage: 3.3V
  • Operating Temperature Range: -40°C to +85°C
  • Audio Sampling Rate: 48 kHz
  • Number of Channels: 2 (Stereo)
  • Digital Interface: I2C

Detailed Pin Configuration

The MC145481EN has a total of 28 pins. Here is the detailed pin configuration:

  1. VDD: Power supply voltage
  2. GND: Ground
  3. SDATA: Serial data input/output
  4. SCLK: Serial clock input
  5. RESET: Reset input
  6. MUTE: Mute control input
  7. LRCK: Left/right channel select input
  8. BCLK: Bit clock input
  9. DACOUTL: Left channel analog output
  10. DACOUTR: Right channel analog output
  11. MICIN: Microphone input
  12. AGND: Analog ground
  13. AVDD: Analog power supply voltage
  14. REFOUT: Reference voltage output
  15. REFADJ: Reference voltage adjustment
  16. TEST: Test mode input
  17. NC: No connection 18-28. NC: No connection

Functional Features

  • High-quality audio processing with a sampling rate of 48 kHz
  • Stereo audio codec with two channels
  • Low power consumption for energy-efficient operation
  • I2C digital interface for easy integration with other devices
  • Reset and mute control inputs for enhanced functionality

Advantages and Disadvantages

Advantages

  • High-quality audio processing ensures excellent sound reproduction.
  • Low power consumption makes it suitable for battery-powered devices.
  • Compact DIP package allows for easy integration into various applications.
  • I2C digital interface simplifies communication with other devices.

Disadvantages

  • Limited number of channels (only stereo).
  • Lack of advanced features found in more modern audio codecs.
  • May require additional external components for certain applications.

Working Principles

The MC145481EN operates by receiving digital audio data through the serial data input (SDATA) pin. The audio data is then processed internally using its built-in audio codec capabilities. The processed audio signals are converted to analog form and output through the left and right channel analog outputs (DACOUTL and DACOUTR). The device can be controlled and configured using the I2C digital interface, allowing for adjustments to various audio parameters.

Detailed Application Field Plans

The MC145481EN is commonly used in various audio-related 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

Here are some alternative models that offer similar functionality to the MC145481EN:

  1. MC145483EN
  2. MC145484EN
  3. MC145485EN
  4. MC145486EN

These alternative models provide comparable audio processing capabilities and can be considered as replacements for the MC145481EN in different applications.

In conclusion, the MC145481EN is an integrated circuit audio codec that offers high-quality audio processing while consuming minimal power. Its compact package and versatile features make it suitable for a wide range of audio applications.

Liste 10 perguntas e respostas comuns relacionadas à aplicação de MC145481EN em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of MC145481EN in technical solutions:

  1. Q: What is MC145481EN? A: MC145481EN is a programmable tone generator and dialer integrated circuit (IC) commonly used in telecommunication applications.

  2. Q: What are the main features of MC145481EN? A: The main features of MC145481EN include dual-tone multi-frequency (DTMF) generation, pulse dialing, programmable frequency and duration, and low power consumption.

  3. Q: How is MC145481EN typically used in technical solutions? A: MC145481EN is often used in various technical solutions such as telephone systems, intercoms, security systems, and remote control devices that require tone generation or dialing capabilities.

  4. Q: Can MC145481EN generate both DTMF and pulse dialing signals? A: Yes, MC145481EN can generate both DTMF and pulse dialing signals, making it versatile for different types of telecommunication systems.

  5. Q: Is MC145481EN programmable? A: Yes, MC145481EN is programmable through external resistors and capacitors, allowing customization of the generated tones and dialing parameters.

  6. Q: What is the power supply requirement for MC145481EN? A: MC145481EN operates on a single power supply voltage ranging from 2.7V to 5.5V, making it compatible with various power sources.

  7. Q: Can MC145481EN be controlled by a microcontroller or other digital devices? A: Yes, MC145481EN can be easily interfaced with microcontrollers or other digital devices using standard digital communication protocols such as I2C or SPI.

  8. Q: Does MC145481EN have any built-in error detection or correction mechanisms? A: No, MC145481EN does not have built-in error detection or correction mechanisms. It is primarily responsible for generating tones and dialing signals.

  9. Q: Are there any application notes or reference designs available for MC145481EN? A: Yes, the manufacturer of MC145481EN provides application notes and reference designs that can help engineers in implementing the IC in their technical solutions.

  10. Q: Where can I purchase MC145481EN? A: MC145481EN can be purchased from various electronic component distributors, both online and offline. It is advisable to check with authorized distributors or the manufacturer's website for reliable sources.

Please note that the answers provided here are general and may vary depending on specific requirements and implementation details.