MAX9778ETI+

$1.58

Description：IC AMP CLASS AB STER 2.6W 28TQFN
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tube,Tube

SKU:cb161a4debfd Category: Audio Amplifiers Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

MAX9778ETI+ is listed in the Audio Amplifiers range at ChipApex. The manufacturer field lists Analog Devices Inc./Maxim Integrated. Its product description is IC AMP CLASS AB STER 2.6W 28TQFN. Review the specifications below when checking this part for your BOM.

Audio Amplifiers specifications for MAX9778ETI+

Description：IC AMP CLASS AB STER 2.6W 28TQFN
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tube,Tube
Type：Class AB
Output Type：2-Channel (Stereo) with Stereo Headphones
Max Output Power x Channels @ Load：2.6W x 2 @ 4Ohm; 200mW x 2 @ 16Ohm
Voltage - Supply：4.5V ~ 5.5V
Features：Depop, Input Multiplexer, Mute, Shutdown, Thermal Protection
Mounting Type：Surface Mount
Supplier Device Package：28-TQFN (5x5)
Package / Case：28-WFQFN Exposed Pad
Operating Temperature：-40°C ~ 85°C (TA)
Grade：-
Qualification：-

Audio Amplifiers datasheet and documents for MAX9778ETI+

MAX9778ETI+

Audio Amplifiers Overview

The MAX9778ETI+ is a stereo audio amplifier integrating a 3W bridge-tied load (BTL) speaker driver and a single-ended headphone amplifier within a 28-pin thin QFN package. It operates from a single 4.5V to 5.5V supply, featuring a 100dB power-supply rejection ratio and 0.002% THD+N. The device includes a 2:1 input multiplexer, headphone sensing, and parallel control inputs for mute, shutdown, gain selection, and input switching.

Audio Amplifiers Feature Summary

Integrates a 3W BTL stereo speaker amplifier with a 200mW stereo headphone amplifier
Features a 2:1 input multiplexer allowing selection between two audio sources or external equalization networks
Includes automatic headphone sense detection to switch between speaker and headphone modes
Provides comprehensive click-and-pop suppression during power-up and shutdown cycles

Audio Amplifiers Applications

Notebooks
Portable DVD Players
Tablet PCs
PC Audio Peripherals
Camcorders

Audio Amplifiers Procurement Notes

Verify the specific part number suffix against official documentation to confirm the control interface. The MAX9778 variant utilizes a parallel logic interface, distinct from the I2C-compatible MAX9777. Ensure the ordering information matches the required pin configuration and package code T2855-6 for the 28-pin thin QFN form factor.

Audio Amplifiers Selection Notes

Select this component when a parallel control interface is preferred over serial communication. It supports dual gain settings via external resistors and allows independent channel muting. The integrated input multiplexer simplifies multi-source audio routing without additional external switching components.

Audio Amplifiers Part Context

This device belongs to the MAX9777/MAX9778 family of stereo audio amplifiers. While functionally identical in performance, the MAX9778 differs from the MAX9777 by utilizing a simple parallel control interface instead of an I2C-compatible serial bus. Both share the same 28-pin thin QFN package and electrical specifications.