Manufacturer Part Number
LM48310SD
Manufacturer
Texas Instruments
Introduction
The LM48310SD is a single-channel, high-efficiency Class D audio amplifier designed for portable audio applications.
Product Features and Performance
Operates on supply voltages from 2.4V to 5.5V
Delivers up to 2.6W of output power into a 4Ω load
High-efficiency Class D amplifier topology
Built-in digital soft-start and mute functions
Low quiescent current of 4.5mA
Wide operating temperature range of -40°C to 85°C
Product Advantages
Compact 10-WFDFN package with exposed thermal pad for improved heat dissipation
Excellent power efficiency for extended battery life in portable devices
Integrated soft-start and mute functions for easy system integration
Robust design for reliable operation in harsh environments
Key Technical Parameters
Supply Voltage Range: 2.4V to 5.5V
Quiescent Current: 4.5mA
Output Power: 2.6W into 4Ω load
Frequency Response: 20Hz to 20kHz
Total Harmonic Distortion + Noise (THD+N): 0.1%
Quality and Safety Features
Robust thermal management design for reliable operation
Overcurrent, overvoltage, and undervoltage protection
Compatibility
Suitable for a wide range of portable audio applications, including smartphones, tablets, and portable speakers
Application Areas
Portable audio devices
Bluetooth speakers
Headphones and earphones
Home audio systems
Product Lifecycle
The LM48310SD is an active product and is currently available for purchase.
Texas Instruments provides support and updates for this product, and there are no known plans for discontinuation.
Key Reasons to Choose This Product
High-efficiency Class D amplifier for extended battery life
Compact and thermally efficient package for space-constrained designs
Integrated protection features for reliable operation
Wide operating voltage and temperature range for versatile applications
Proven performance and reliability from a trusted manufacturer, Texas Instruments.