LM49370RL/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio subsystem for portable devices

Characteristics: - Low power consumption - High audio quality - Compact size - Easy integration into portable devices

Package: QFN (Quad Flat No-leads) package

Essence: The LM49370RL/NOPB is a highly integrated audio subsystem designed for use in portable devices. It provides high-quality audio output while consuming minimal power and occupying a small footprint.

Packaging/Quantity: The LM49370RL/NOPB is available in a QFN package and is typically sold in reels of 2500 units.

Specifications

• Power Supply Voltage: 2.5V - 3.6V
• Output Power: 1.2W per channel
• Total Harmonic Distortion + Noise (THD+N): <0.1%
• Signal-to-Noise Ratio (SNR): >90dB
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM49370RL/NOPB has the following pin configuration:

1. VDDA: Analog power supply
2. VDDD: Digital power supply
3. GND: Ground
4. SDATA_IN: Serial data input
5. SCLK: Serial clock input
6. LRCLK: Left/right clock input
7. SDATA_OUT: Serial data output
8. SHUTDOWN: Shutdown control input
9. RESET: Reset control input
10. SPKOUTL: Left speaker output
11. SPKOUTR: Right speaker output
12. HPLOUT: Headphone left output
13. HPROUT: Headphone right output
14. HPLCOM: Headphone left common
15. HPRCOM: Headphone right common

Functional Features

• Audio playback and recording
• Speaker and headphone output
• Integrated microphone input
• Volume control
• Power management features
• Digital audio processing

Advantages and Disadvantages

Advantages: - High audio quality - Low power consumption - Compact size - Easy integration into portable devices - Versatile functionality

Disadvantages: - Limited output power compared to dedicated audio amplifiers - May require additional external components for certain applications

Working Principles

The LM49370RL/NOPB integrates various audio processing functions, including digital-to-analog conversion, analog-to-digital conversion, amplification, and volume control. It receives digital audio data from the device's audio source, processes it, and outputs the audio signal to speakers or headphones. The integrated power management features help optimize power consumption.

Detailed Application Field Plans

The LM49370RL/NOPB is suitable for a wide range of portable devices, including: - Smartphones - Tablets - Portable media players - Gaming devices - Wearable devices

Alternative Models

1. LM49350RL/NOPB
2. LM49360RL/NOPB
3. LM49380RL/NOPB
4. LM49390RL/NOPB

These alternative models offer similar functionality and can be considered as alternatives to the LM49370RL/NOPB depending on specific requirements and application needs.

In conclusion, the LM49370RL/NOPB is a highly integrated audio subsystem designed for portable devices. Its compact size, low power consumption, and high audio quality make it an ideal choice for various applications in the portable electronics industry.