Manufacturer Part Number
TPA741DR
Manufacturer
Texas Instruments
Introduction
The TPA741DR is a high-performance, single-channel, audio power amplifier designed for use in portable audio and consumer electronics applications.
Product Features and Performance
Operates from a single 2.5V to 5.5V power supply
Delivers 700mW of output power into an 8Ω load
Class AB output stage for high efficiency
Differential inputs for improved common-mode rejection
Thermal and short-circuit protection
Low quiescent current for extended battery life
Shutdown mode for power savings
Product Advantages
High output power in a small package
Efficient Class AB operation
Robust protection features
Low power consumption
Key Technical Parameters
Supply voltage range: 2.5V to 5.5V
Output power: 700mW (1 channel, 8Ω load)
Quiescent current: 2mA (typical)
Frequency response: 20Hz to 20kHz
Signal-to-noise ratio: 90dB (A-weighted)
Total harmonic distortion + noise: 0.1% (typical)
Quality and Safety Features
RoHS3 compliant
Thermal and short-circuit protection
Compatibility
Surface mount package (8-SOIC)
Compatible with a wide range of audio applications
Application Areas
Portable audio devices
Consumer electronics
Audio amplifiers
Product Lifecycle
The TPA741DR is an active product and is not nearing discontinuation.
Replacement or upgrade options may be available from Texas Instruments.
Key Reasons to Choose This Product
High output power in a small package
Efficient Class AB operation for low power consumption
Robust protection features for reliability
Wide supply voltage range for flexible design
Surface mount package for easy integration
Suitable for a variety of audio applications