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MAX9778 - Stereo 3W Audio Power Amplifiers

Download the MAX9778 datasheet PDF. This datasheet also covers the MAX9777 variant, as both devices belong to the same stereo 3w audio power amplifiers family and are provided as variant models within a single manufacturer datasheet.

General Description

The MAX9777/MAX9778 combine a stereo 3W bridgetied load (BTL) audio power amplifier, stereo singleended (SE) headphone amplifier, headphone sensing, and a 2:1 input multiplexer all in a tiny 28-pin thin QFN package.

Key Features

  • include low 4mV VOS (minimizes DC current drain through the speakers), low 13mA supply current, and a 10µA shutdown mode. A MUTE function allows the outputs to be quickly enabled or disabled. A headphone sense input detects the presence of a headphone jack and automatically configures the amplifiers for either speaker or headphone mode. In speaker mode, the amplifiers can deliver up to 3W of continuous average power into a 3Ω load. In headphone mode, the amplifier can deliver up to 200mW of cont.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MAX9777_MaximIntegratedProducts.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
MAX977 Single/Dual / +3V/+5V Dual-Speed Comparators with Auto-Standby Maxim
MAX9770 1.2W Low-EMI / Filterless / Mono Class D Amplifier Maxim
MAX970 Single/Dual/Quad Micropower Rail-to-Rail I/O Comparators Maxim Integrated
MAX9700 1.2W / Low-EMI / Filterless / Class D Audio Amplifier Maxim
MAX9703 15W / Filterless / Spread-Spectrum Mono/Stereo Class D Amplifiers Maxim

Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX9775 (MAX9775 / MAX9776) Stereo Class D Audio Subsystem
MAX9776 (MAX9775 / MAX9776) Stereo Class D Audio Subsystem
MAX9777 Stereo 3W Audio Power Amplifiers
MAX9779 2.6W Stereo Audio Power Amplifier and DirectDrive Headphone Amplifier
MAX97000 Audio Subsystem

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
19-0509; Rev 0; 4/06 www.DataSheet4U.com Stereo 3W Audio Power Amplifiers with Headphone Drive and Input Mux General Description The MAX9777/MAX9778 combine a stereo 3W bridgetied load (BTL) audio power amplifier, stereo singleended (SE) headphone amplifier, headphone sensing, and a 2:1 input multiplexer all in a tiny 28-pin thin QFN package. These devices operate from a single 4.5V to 5.5V supply and feature an industry-leading 100dB PSRR, allowing these devices to operate from noisy supplies without the addition of a linear regulator. An ultra-low 0.002% THD+N ensures clean, low-distortion amplification of the audio signal. Patented click-andpop suppression minimizes audible transients on power and shutdown cycles.