Manufacturer Part Number
LM4929MM
Manufacturer
Texas Instruments
Introduction
Integrated circuit (IC) audio amplifier
Designed for powering headphones and stereo speakers
Product Features and Performance
Class AB audio power amplifier
Dual-channel (stereo) output
High output power: 80mW x 2 channels @ 16Ω load
Wide supply voltage range: 2V to 5.5V
Low quiescent current
Thermal shutdown protection
Short-circuit protection
Product Advantages
Capable of driving high-impedance headphones and speakers
Efficient Class AB operation
Versatile power supply range
Integrated protection features
Key Technical Parameters
Output Power: 80mW x 2 channels @ 16Ω load
Supply Voltage Range: 2V to 5.5V
Quiescent Current: Low
Operating Temperature Range: -40°C to 85°C
Quality and Safety Features
Thermal shutdown protection
Short-circuit protection
Compatibility
Suitable for use in portable audio devices, headphone amplifiers, and other audio applications
Application Areas
Headphone amplifiers
Portable audio devices
Stereo speaker drivers
Product Lifecycle
This product is an active and ongoing part of Texas Instruments' product lineup.
Replacement or upgraded models may become available in the future, but the LM4929MM continues to be a widely used and supported audio amplifier IC.
Several Key Reasons to Choose This Product
Excellent audio performance with high output power and efficient Class AB operation.
Wide supply voltage range, making it suitable for a variety of battery-powered and portable applications.
Integrated protection features, such as thermal shutdown and short-circuit protection, ensure reliable and safe operation.
Small, space-saving surface-mount package options available.
Proven and widely used audio amplifier solution from a reputable manufacturer, Texas Instruments.
