Manufacturer Part Number
LM4864MMX
Manufacturer
Texas Instruments
Introduction
Integrated Audio Amplifier IC
Designed for portable audio applications
Product Features and Performance
1-channel (mono) Class AB audio amplifier
Operates on a single supply voltage from 2.7V to 5.5V
Delivers up to 675mW of output power into an 8Ω load
Low quiescent current of 3.5mA
Thermal shutdown protection
Undervoltage lockout function
Pop and click suppression circuitry
Product Advantages
Efficient Class AB operation for high output power
Wide supply voltage range for versatile use
Thermal and overcurrent protection for reliable performance
Pop and click suppression for clean audio output
Key Technical Parameters
Supply Voltage Range: 2.7V to 5.5V
Output Power: 675mW into 8Ω load
Quiescent Current: 3.5mA
Operating Temperature Range: -40°C to 85°C
Quality and Safety Features
RoHS non-compliant
Thermal shutdown protection
Undervoltage lockout function
Compatibility
Surface mount package: 8-VSSOP, 8-TSSOP, 8-MSOP
Application Areas
Portable audio devices
Speakers
Headphones
Multimedia systems
Product Lifecycle
This product is an existing and actively available part from Texas Instruments.
Replacement or upgrade options may be available, but should be verified with the manufacturer.
Key Reasons to Choose This Product
Efficient Class AB amplifier design for high output power
Wide supply voltage range for versatile applications
Thermal and overcurrent protection for reliable operation
Pop and click suppression for clean audio output
Small surface mount package options for compact designs