Manufacturer Part Number
TPA4861D
Manufacturer
Texas Instruments
Introduction
The TPA4861D is a high-performance, mono Class AB audio power amplifier designed for portable audio applications.
Product Features and Performance
1W x 1 channel output power into 8Ω at 5V supply
Wide 2.7V to 5.5V operating supply voltage range
Low quiescent current of 3.5mA
Short-circuit and thermal protection
Shutdown mode for low power consumption
Low distortion and high efficiency
Product Advantages
Compact 8-SOIC package
Excellent audio performance
Flexible power supply range
Integrated protection features
Low power consumption
Key Technical Parameters
Output Power: 1.1W x 1 @ 8Ω
Supply Voltage Range: 2.7V to 5.5V
Quiescent Current: 3.5mA
THD+N: 0.1% (typical)
Bandwidth: 20Hz to 20kHz
Operating Temperature: -40°C to 85°C
Quality and Safety Features
RoHS3 compliant
Short-circuit and thermal protection
Shutdown mode for low power consumption
Compatibility
Surface mount 8-SOIC package
Suitable for portable audio applications
Application Areas
Portable speakers
Headphone amplifiers
Personal audio devices
Battery-powered audio systems
Product Lifecycle
The TPA4861D is an active product from Texas Instruments. There are no immediate plans for discontinuation, and replacement or upgrade options are available.
Key Reasons to Choose This Product
High-performance Class AB audio amplifier
Compact and efficient 8-SOIC package
Wide supply voltage range for flexibility
Integrated protection features for reliability
Low power consumption for battery-powered applications