Instruction/ maintenance manual of the product MAX9778 Maxim
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General Description The MAX9777/MAX9778 combine a stereo 3W bridge- tied load (BTL) audio power amplifier, stereo single- ended (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.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 2 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 4 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _______________________________________________________________________________________ 5 TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY (SPEAKER MODE) MAX9777/78 toc01 FREQUENCY (Hz) THD+N (%) 10k 1k 100 0.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 6 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _______________________________________________________________________________________ 7 CROSSTALK vs.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 8 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _______________________________________________________________________________________ 9 EXITING SHUTDOWN (HEADPHO.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 10 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 12 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux ______________________________________________________________________________________ 13 Headphone Sense Input (HPS) With headphone sense enabled, a voltage on HPS less than 0.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 14 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 16 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 18 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 20 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
MAX9777/MAX9778 HPF HPF MICROCONTROLLER CODEC MAX9777 INR2 INR1 INL2 INL1 BIAS 1 µ F 100 µ F 0.68 µ F 0.68 µ F 0.68 µ F 0.68 µ F 0.047 µ F 0.047 µ F 220 µ F 220 µ F 27.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 22 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 24 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 26 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
An important point after buying a device Maxim MAX9778 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Maxim MAX9778 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Maxim MAX9778 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Maxim MAX9778 you will learn all the available features of the product, as well as information on its operation. The information that you get Maxim MAX9778 will certainly help you make a decision on the purchase.
If you already are a holder of Maxim MAX9778, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Maxim MAX9778.
However, one of the most important roles played by the user manual is to help in solving problems with Maxim MAX9778. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Maxim MAX9778 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
