MAX9789, MAX9790 Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers And DirectDrive Headphone Amplifiers

The MAX9789 MAX9790 combine a stereo, 2W Class AB speaker power Amplifier with a stereo 100mW DirectDrive" Headphone Amplifier in a single device. The MAX9789 MAX9790 are designed for use with the Microsoft Windows Vista" operating system and are fully compliant with Microsoft's Windows Vista specifications. The Headphone Amplifier 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 of the Audio signal.
Separate speaker and Headphone Amplifier control inputs provide independent shutdown of the speaker and Headphone Amplifiers allowing speaker and Headphone Amplifiers to be active simultaneously, if required. The industry-leading click-and-pop suppression circuitry reduces audible transients during startup and shutdown cycles.
The MAX9789 features an internal LDO that CAN be used as a clean power supply for a CODEC or other circuits. The LDO output voltage is set internally at 4.75V or CAN be adjusted between 1.21V and 4.75V using a simple resistive divider. The LDO is protected against thermal overloads and short circuits while providing 120mA of continuous output current and CAN be enabled independently of the Audio Amplifiers
By disabling the speaker and Headphone Amplifiers and the LDO (for MAX9789 , the MAX9789 MAX9790 enter low-power shutdown mode and draw only 0.3A.
The MAX9789 MAX9790 operate from a single 4.5V to 5.5V supply and feature thermal-overload and output short-circuit protection. Devices are specified over the -40C to +85C extended temperature range.
By Maxim Integrated Products
MAX9789 's PackagesMAX9789 's pdf datasheet
MAX9789AETJ QFN
MAX9789AETJT QFN
MAX9789BETJT




MAX9789 Pinout, Pinouts
MAX9789 pinout,Pin out
This is one package pinout of MAX9789,If you need more pinouts please download MAX9789's pdf datasheet.

MAX9789 Application circuits
MAX9789 circuits
This is one application circuit of MAX9789,If you need more circuits,please download MAX9789's pdf datasheet.


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