Description
www.DataSheet4U.com 19-0606; Rev 0; 9/06 Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers General De.
The MAX9789A/MAX9790A combine a stereo, 2W Class AB speaker power amplifier with a stereo 100mW DirectDrive™ headphone amplifier in a single device.
Features
* Maxim’s patented† DirectDrive architecture that produces a ground-referenced output from a single supply to eliminate the need for large DC-blocking capacitors, as well as save cost, board space, and component height. A high +90dB PSRR and low 0.002% THD+N ensures clean, low-distortion amplification
Applications
* HP_INR
Notebook Computers Tablet PCs
HP_INL
Portable Multimedia Players
SPKR_EN HP_EN MUTE GAIN1 GAIN2 4.5V TO 5.5V LDO 1.21V TO 4.75V
Pin Configurations appear at end of data sheet. †U. S. Patent # 7,061,327
Windows Vista is a trademark of Microsoft Corp. Simplified Block Diagrams continued at