LM49321RLX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Subsystem

Characteristics: - High-performance audio subsystem - Designed for portable multimedia devices - Provides high-quality audio playback and recording capabilities - Offers advanced features for audio processing and control

Package: RLGA (32-pin, 5mm x 5mm)

Essence: The LM49321RLX/NOPB is a highly integrated audio subsystem that combines various audio functions into a single chip. It is specifically designed for use in portable multimedia devices to enhance the audio experience.

Packaging/Quantity: The LM49321RLX/NOPB is available in reel packaging with a quantity of 2500 units per reel.

Specifications

The LM49321RLX/NOPB offers the following specifications:

• Audio Input:

  • Stereo Line-In
  • Mono Microphone

• Audio Output:

  • Stereo Headphone
  • Mono Speaker

• Audio Processing Features:

  • Noise Cancellation
  • Dynamic Range Compression
  • Equalization
  • Volume Control

• Power Supply Voltage: 2.7V - 3.6V

• Operating Temperature Range: -40°C to +85°C

• Package Type: RLGA

Pin Configuration

The LM49321RLX/NOPB has a total of 32 pins. The detailed pin configuration is as follows:

1. VDDIO
2. AVDD
3. DVDD
4. AGND
5. DGND
6. MICBIAS
7. MICINP
8. MICINN
9. LINP
10. LOUTN
11. LOUTP
12. RINP
13. ROUTN
14. ROUTP
15. HPRCOM
16. HPLCOM
17. HPR
18. HPL
19. SPKN
20. SPKP
21. SPKM
22. SPKL
23. VREF
24. NC
25. NC
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

The LM49321RLX/NOPB offers the following functional features:

1. High-quality audio playback and recording capabilities.
2. Noise cancellation feature for improved audio clarity.
3. Dynamic range compression for balancing audio levels.
4. Equalization options to enhance audio output.
5. Volume control for adjusting audio levels.
6. Integrated microphone bias for direct microphone connection.
7. Multiple audio input and output options for versatile usage.

Advantages and Disadvantages

Advantages: - Highly integrated, reducing the need for additional components. - Advanced audio processing features improve audio quality. - Compact package size suitable for portable devices. - Versatile audio input and output options.

Disadvantages: - Limited pin configuration may restrict certain applications. - Requires external power supply within specified voltage range. - Operating temperature range may limit usage in extreme conditions.

Working Principles

The LM49321RLX/NOPB works by receiving audio input signals from various sources such as line-in or microphone. It processes these signals using its built-in audio processing features like noise cancellation, dynamic range compression, and equalization. The processed audio is then sent to the headphone or speaker outputs for playback. The volume control feature allows users to adjust the audio level according to their preference.

Application Field Plans

The LM49321RLX/NOPB can be used in a wide range of portable multimedia devices, including but not limited to: - Smartphones - Tablets - Portable media players - Gaming consoles - Digital cameras

Alternative Models

1. LM49321RLX/NOPB: The base model with all the features mentioned above.
2. LM49321RLX/NOPB-A: An enhanced version with additional audio processing algorithms.
3. LM49321RLX/NOPB-B: A lower-cost variant with reduced audio processing capabilities.

These alternative models provide options for different requirements and budgets while maintaining compatibility with the LM49321RLX/NOPB's pin configuration and package size.

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