Manufacturer Part Number
MAX9820ETB+T
Manufacturer
Maxim Integrated
Introduction
High-performance, low-power, stereo audio power amplifier integrated circuit (IC)
Designed for driving headphones and other audio outputs
Product Features and Performance
Efficient Class AB amplifier design
High output power: 95mW per channel into 32Ω load
Wide supply voltage range: 2.7V to 5.5V
Low quiescent current: 1.4mA
Fast turn-on/turn-off time
Short-circuit and thermal protection
Shutdown mode for power savings
Product Advantages
Compact 10-TDFN (3x3) package
Excellent audio performance and efficiency
Wide operating temperature range: -40°C to 85°C
Minimal external components required
Key Technical Parameters
Supply Voltage: 2.7V to 5.5V
Output Power: 95mW per channel into 32Ω load
Quiescent Current: 1.4mA
Frequency Response: 20Hz to 20kHz
Total Harmonic Distortion + Noise (THD+N): 0.1% (typical)
Signal-to-Noise Ratio (SNR): 95dB (typical)
Quality and Safety Features
RoHS3 compliant
Short-circuit and thermal protection
Shutdown mode for power savings
Compatibility
Suitable for a wide range of audio applications, including headphones, portable audio devices, and other audio equipment
Application Areas
Portable audio devices
Headphones
Hearing aids
Wireless audio systems
Product Lifecycle
The MAX9820 is an active product from Maxim Integrated, with no indication of discontinuation.
Replacement or upgrade options may be available, depending on the specific application requirements.
Key Reasons to Choose This Product
High-performance, efficient Class AB amplifier design
Wide supply voltage range and low quiescent current for power-sensitive applications
Compact package and minimal external components required for easy integration
Excellent audio quality with low distortion and high signal-to-noise ratio
Robust protection features, including short-circuit and thermal protection
Wide operating temperature range for use in diverse environments