MAX9709 25W/50W, Filterless, Spread-Spectrum, Stereo/Mono, Class D Amplifier

The MAX9709 stereo/mono, Class D Audio Power Amplifier delivers up to 2 x 25W into an 8 stereo mode and 1 x 50W into a 4 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 configuration. The MAX9709 offers two modulation schemes: a fixed-frequency modulation (FFM) mode, and a spread-spectrum modulation (SSM) mode that reduces EMI-radiated emissions. The MAX9709 CAN be synchronized to an external Clock from 600kHz to 1.2MHz. A synchronized output allows multiple units to be cascaded in the system. Features include fully differential inputs, comprehensive click-and-pop suppression, and four selectable-gain settings (22dB, 25dB, 29.5dB, and 36dB). A pin-programmable thermal flag provides seven different thermal warning thresholds. Short-circuit and thermal-overload protection prevent the device from being damaged during a fault condition. The MAX9709 is available in 56-pin TQFN (8mm x 8mm x 0.8mm) and 64-pin TQFP (10mm x 10mm x 1.4mm) packages, and is specified over the extended -40C to +85C temperature range.
By Maxim Integrated Products
MAX9709 's PackagesMAX9709 's pdf datasheet
MAX9709ETNTD QFN
MAX9709ETND QFN




MAX9709 Pinout, Pinouts
MAX9709 pinout,Pin out
This is one package pinout of MAX9709,If you need more pinouts please download MAX9709's pdf datasheet.

MAX9709 Application circuits
MAX9709 circuits
This is one application circuit of MAX9709,If you need more circuits,please download MAX9709's pdf datasheet.


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