Manufacturer Part Number
MAX9812HEXT+T
Manufacturer
Maxim Integrated
Introduction
The MAX9812HEXT+T is a high-performance, low-power, single-channel, Class AB audio power amplifier designed for a variety of portable audio applications.
Product Features and Performance
High-efficiency Class AB amplifier
Low quiescent current of 0.5mA
Wide supply voltage range of 4.5V to 5.5V
Thermal shutdown protection
Shutdown mode with 0.01μA current consumption
Microphone bias function
Excellent audio performance with low distortion and noise
Product Advantages
Efficient Class AB operation for extended battery life
Minimal power consumption in shutdown mode
Thermal protection for reliable operation
Microphone bias function for integrated audio solutions
Excellent audio quality with low distortion and noise
Key Technical Parameters
Supply Voltage: 4.5V to 5.5V
Quiescent Current: 0.5mA
Shutdown Current: 0.01μA
Output Power: 0.5W into 8Ω
Total Harmonic Distortion + Noise (THD+N): 0.1% at 1W, 1kHz
Signal-to-Noise Ratio (SNR): 90dB
Quality and Safety Features
RoHS3 compliant
Thermal shutdown protection
Compatibility
The MAX9812HEXT+T is compatible with a wide range of portable audio applications, including:
Smartphones
Tablets
Portable speakers
Headphones/earphones
Other handheld audio devices
Application Areas
Portable audio amplification
Smartphone and tablet audio
Portable speaker systems
Headphones and earphones
Other battery-powered audio devices
Product Lifecycle
The MAX9812HEXT+T is an actively supported product from Maxim Integrated. There are no plans for discontinuation, and replacement or upgrade options are available.
Several Key Reasons to Choose This Product
Efficient Class AB operation for extended battery life
Minimal power consumption in shutdown mode for power-sensitive applications
Thermal protection for reliable operation in portable devices
Integrated microphone bias function for all-in-one audio solutions
Excellent audio performance with low distortion and noise for high-quality sound