LM4938MH/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High-performance audio amplifier - Low power consumption - Small form factor - Wide voltage range operation - Excellent audio quality

Package: 32-HTSSOP

Essence: The LM4938MH/NOPB is a high-performance audio amplifier IC designed for various audio applications. It provides excellent audio quality while consuming low power and operating within a wide voltage range.

Packaging/Quantity: The LM4938MH/NOPB is available in a 32-HTSSOP package. It is typically sold in reels containing multiple units.

Specifications

The LM4938MH/NOPB has the following specifications:

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.3W per channel
• Total Harmonic Distortion + Noise (THD+N): 0.03%
• Signal-to-Noise Ratio (SNR): 95dB
• Shutdown Current: 0.01µA
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LM4938MH/NOPB has a 32-pin HTSSOP package with the following pin configuration:

Pin 1: VDD Pin 2: GND Pin 3: SDZ Pin 4: SDA Pin 5: SCL Pin 6: NC Pin 7: NC Pin 8: NC Pin 9: NC Pin 10: NC Pin 11: NC Pin 12: NC Pin 13: NC Pin 14: NC Pin 15: NC Pin 16: NC Pin 17: NC Pin 18: NC Pin 19: NC Pin 20: NC Pin 21: NC Pin 22: NC Pin 23: NC Pin 24: NC Pin 25: NC Pin 26: NC Pin 27: NC Pin 28: NC Pin 29: NC Pin 30: NC Pin 31: NC Pin 32: NC

Functional Features

The LM4938MH/NOPB offers the following functional features:

• Integrated audio amplifier with multiple channels
• Low power consumption for extended battery life
• Wide voltage range operation for compatibility with various power sources
• High-quality audio output with low distortion and noise
• Shutdown mode for power-saving when not in use
• I2C interface for control and configuration

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low power consumption - Small form factor - Wide voltage range operation - Excellent audio quality

Disadvantages: - Limited pin configuration options - Requires external components for complete audio system integration

Working Principles

The LM4938MH/NOPB operates by receiving an audio input signal and amplifying it to drive speakers or headphones. It utilizes internal circuitry to process the audio signal, providing high-quality amplification with low distortion and noise. The IC can be controlled and configured through the I2C interface, allowing for customization of various audio parameters.

Detailed Application Field Plans

The LM4938MH/NOPB is suitable for a wide range of audio applications, including but not limited to: - Portable audio devices (e.g., smartphones, tablets, MP3 players) - Personal computers and laptops - Gaming consoles - Home entertainment systems - Automotive audio systems

Detailed and Complete Alternative Models

Some alternative models to the LM4938MH/NOPB include: - LM4863 - TPA3116D2 - MAX9744 - TAS5720

These alternative models offer similar functionality and can be considered as replacements or alternatives based on specific requirements.

In conclusion, the LM4938MH/NOPB is a high-performance audio amplifier IC that provides excellent audio quality while consuming low power. Its small form factor and wide voltage range operation make it suitable for various audio applications. However, it has limited pin configuration options and requires external components for complete audio system integration.