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Manual Maxim MAX9778

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Summary
  • Maxim MAX9778 - page 1

    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 4.5V to 5.5V supply and feature an industry-leading 100dB PSRR, allowing t ...

  • Maxim MAX9778 - page 2

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 2 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 3

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 4

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 4 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 5

    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 0.01 0.1 1 0.001 10 100k R L = 3 Ω A V = 2V/V P OUT = ...

  • Maxim MAX9778 - page 6

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 6 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 7

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _______________________________________________________________________________________ 7 CROSSTALK vs. FREQUENCY (SPEAKER MODE) MAX9777/78 toc19 FREQUENCY (Hz) CROSSTALK (dB) 10k 1k 100 -110 -100 -90 -80 -70 -60 -50 -40 -120 10 100k V IN = 200mV P-P R L = 8 Ω RI ...

  • Maxim MAX9778 - page 8

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 8 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 9

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _______________________________________________________________________________________ 9 EXITING SHUTDOWN (HEADPHONE MODE) MAX9777/78 toc37 100ms/div OUT_+ 1V/div HP JACK 200mV/div SHDN 2V/div R L = 16 Ω INPUT AC-COUPLED TO GND ENTERING SHUTDOWN (HEADPHONE MODE) ...

  • Maxim MAX9778 - page 10

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 10 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 11

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 12

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 12 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 13

    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 0.7 x V DD sets the device to speaker mode. A volt- age greater than 0.9 x V DD disables t ...

  • Maxim MAX9778 - page 14

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 14 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 15

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 16

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 16 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 17

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 18

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 18 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 19

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 20

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 20 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 21

    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 27.4k Ω 27.4k Ω 47k Ω 10k Ω 10k Ω 680k Ω 33.2k Ω 33.2k Ω 15k Ω 15k Ω 15k Ω 15k Ω 15k Ω 10k Ω 1k Ω 1k Ω 15k Ω SCL SDA ADD INT SHDN GND 18 9, 1 ...

  • Maxim MAX9778 - page 22

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 22 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 23

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 24

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 24 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 25

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 26

    MAX9777/MAX9778 Ster eo 3W Audio Power Amplifiers with Headphone Drive and Input Mux 26 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

  • Maxim MAX9778 - page 27

    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. Maxim Inte ...

Manufacturer Maxim Category Stereo Amplifier

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- or energy labels Maxim MAX9778
All of them are important, but the most important information from the point of view of use of the device are in the user manual Maxim MAX9778.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Maxim MAX9778, service manual, brief instructions and user manuals Maxim MAX9778. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Maxim MAX9778.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Maxim MAX9778 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Maxim MAX9778.

A complete Maxim manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Maxim MAX9778 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Maxim MAX9778, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Maxim MAX9778, that we can find in the current document
3. Tips how to use the basic functions of the device Maxim MAX9778 - which should help us in our first steps of using Maxim MAX9778
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5. FAQ - Frequently Asked Questions
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