Manufacturer Part Number
LM4911MM
Manufacturer
Texas Instruments
Introduction
The LM4911MM is a high-performance audio amplifier integrated circuit (IC) designed for audio applications.
Product Features and Performance
Supports stereo 2-channel operation
Delivers up to 145mW of output power per channel into a 16Ω load
Operates from a single supply voltage between 2V to 5.5V
Utilizes a Class AB amplifier topology
Includes features like mute, shutdown, and thermal protection
Product Advantages
High output power capability for driving headphones or small speakers
Wide operating voltage range for compatibility with various power sources
Integrated features simplify design and reduce external component count
Small 10-VSSOP package for space-constrained applications
Key Technical Parameters
Output Power: 145mW x 2 channels @ 16Ω load
Supply Voltage: 2V to 5.5V
Amplifier Class: Class AB
Operating Temperature Range: -40°C to 85°C
Quality and Safety Features
Thermal protection to prevent overheating
Mute and shutdown functions for power management
Compatibility
Suitable for use in a variety of audio applications, including headphones, speakers, and other portable electronic devices.
Application Areas
Portable audio equipment
Headphone amplifiers
Small speaker drivers
Personal audio devices
Product Lifecycle
The LM4911MM is an active product and is not nearing discontinuation.
Replacement or upgrade options may be available from Texas Instruments or other manufacturers.
Key Reasons to Choose This Product
High output power capability for driving headphones or small speakers
Wide operating voltage range for versatile power supply compatibility
Integrated features like mute, shutdown, and thermal protection for easy implementation
Small package size for space-constrained designs
Proven reliability and performance from a reputable manufacturer, Texas Instruments.
LM4910MMXNS