MAX9709 Overview
The MAX9709 stereo/mono, Class D audio power amplifier delivers up to 2 x 25W into an 8Ω stereo mode and 1 x 50W into a 4Ω load in mono mode while offering up to 87% efficiency. The MAX9709 provides Class AB amplifier performance with the benefits of Class D efficiency, eliminating the need for a bulky heatsink and conserving power. The MAX9709 operates from a single +10V to +22V supply, driving the load in a BTL...
MAX9709 Key Features
- 2 x 25W Output Power in Stereo Mode (8Ω, THD = 10%)
- 1 x 50W Output Power in Mono Mode (4Ω, THD = 10%)
- High Efficiency: Up to 87%
- Filterless Class D Amplifier
- Unique Patented Spread-Spectrum Mode
- Programmable Gain (+22dB, +25dB, +29.5dB, +36dB)
- High PSRR (90dB at 1kHz)
- Differential Inputs Suppress mon-Mode Noise
- Shutdown and Mute Control
- Integrated Click-and-Pop Suppression
MAX9709 Applications
- 40°C to +85°C 56 TQFN-EP