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Application Notes

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  • Over 2000 application notes and technical articles written by engineers, for engineers.
  • These articles offer experienced analysis, design ideas, reference designs, and tutorials—to make you an expert.
  • List of latest application notes.

    Audio Circuits


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    442.2kB
    Application Note 6643 
    Optimize Cost, Size, and Performance with MAX98357 WLP
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    2.2MB
    Application Note 5686 
    Passive Components Aren’t Really So Passive (Part 2): Resistors
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    833.1kB
    Application Note 5792 
    Multiplex Boosted Class-D without Additional External Circuitry
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    384kB
    Tutorial 5633 
    Pack Your Music and Upcycle That Old Suitcase
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    97.4kB
    Tutorial 5590 
    Types of Audio Amplifiers
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    1MB
    Application Note 5597 
    Simulation Shows How Real Op Amps Can Drive Capacitive Loads
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    152.3kB
    Application Note 5461 
    Digital-Input Class D Amplifiers Expand the Benefits of Traditional Class D and Simplify System Design
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    780.5kB
    Tutorial 5450 
    Successful PCB Grounding with Mixed-Signal Chips - Follow the Path of Least Impedance
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    235.2kB
    Application Note 5477 
    Analyzing Audio DAC Jitter Sensitivity
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    159.7kB
    Application Note 5342 
    Reduce EMI and Maintain High Efficiency with Class D Amplifiers in Portable Applications
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    58.3kB
    Tutorial 5290 
    Higher Integration Drives the Newest Generations of Smartphones
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    495.2kB
    Reference Schematic 4320 
    Reference Design for a Class D, 2.1-Channel, Audio Amplifier for an MP3 Docking Station
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    162.2kB
    Application Note 5148 
    Device Configuration for Skype Long-Range Speakerphone and TV Applications
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    84kB
    Tutorial 838 
    Use a Linear Potentiometer to Create a Nonlinear Transfer Function for Audio Volume Control
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    204kB
    Application Note 4943 
    Diagnosing Automotive Faults with Class D Audio Amplifiers
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    61kB
    Application Note 4836 
    Single-Supply Op Amp Forms Noninverting Level Shifter
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    55kB
    Application Note 4555 
    Circuit Guards Amplifier Outputs Against Overvoltage
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    39kB
    Application Note 4551 
    Simple Circuit Limits Amplifier's Output
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    125kB
    Application Note 4525 
    "Linkwitz Circuit" Equalizes a Closed Box
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    111kB
    Application Note 4527 
    White-Noise Generator Has No 1/f Component
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    130kB
    Tutorial 1760 
    High-Efficiency Class D Audio Amplifiers Extend Battery Life in Portable Applications
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    335kB
    Reference Schematic 4805 
    VGA 8:1 Multiplexer Reference Design Using the MAX4885
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    36kB
    Application Note 4504 
    Locked-Sync Sine Generator Covers Three Decades with Low Distortion
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    88kB
    Application Note 4526 
    Two AA Cells Produce Huge Audio Volume
    View   In New Window   Tutorial 4723 
    Eliminating Audible Transients in Audio Systems
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    92kB
    Tutorial 4691 
    Introduction to Hearing Aids and Important Design Considerations
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    68kB
    Tutorial 4694 
    Introduction to Digital Stethoscopes and Electrical Component Selection Criteria
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    149.2kB
    Tutorial 4260 
    Avoid Overvoltage Stresses by Minimizing Power-Supply Pumping on Single-Ended Output, Class D Audio Amplifiers
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    147kB
    Application Note 4632 
    Phase Delay Enhances 3D Audio
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    58kB
    Application Note 4620 
    Set Your Holiday Lights to Music
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    40kB
    Application Note 4607 
    Add a Discrete Jack-Sensing Circuit to the MAX13330/MAX13331 Automotive Headphone Amplifier
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    167kB
    Application Note 4046 
    Overview of 2.1 (Satellite/Subwoofer) Speaker Systems
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    36kB
    Application Note 4411 
    Headphone Attenuator Includes Microphone Monitor
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    51kB
    Tutorial 2980 
    Circuit Refinements Ensure Quality Audio in Portable Devices
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    32kB
    Tutorial 4449 
    How to Pick a Click-and-Pop Suppressor
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    276.3kB
    Tutorial 4262 
    Improve Stereo Performance with Active Biasing
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    135.5kB
    Application Note 4327 
    Keep Power Consumption in Check with Low-Power Comparators that Autosense Plugged-In Accessories
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    220.9kB
    Tutorial 4344 
    Rail Splitter, from Abraham Lincoln to Virtual Ground
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    37kB
    Tutorial 4346 
    Pots, Pans, Logs, and Linear Digital Pots Create Arbitrary Voltage Curves
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    94kB
    Tutorial 4292 
    Where Is Ground?
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    32kB
    Application Note 4225 
    Minimizing Shutdown Current in the MAX9877 Audio Subsystem IC
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    182kB
    Tutorial 4164 
    Amplifier Considerations in Ceramic Speaker Applications
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    58kB
    Application Note 3924 
    Thermal Considerations for a UCSP Package
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    35kB
    Application Note 4121 
    Class G and Charge-Pump Technologies Maximize Efficiency in Boosted Amplifiers with Minimal Support Components
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    71kB
    Application Note 4079 
    Minimize Noise in Audio Channels with Smart PCB Layout
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    35kB
    Application Note 4056 
    Using the MAX4929E for HDMI/DVI Low-Frequency Switching
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    133.5kB
    Tutorial 3979 
    Overview of DirectDrive Technology
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    151kB
    Application Note 3977 
    Class D Amplifiers: Fundamentals of Operation and Recent Developments
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    118kB
    Application Note 3973 
    Maxim's Active-Emissions-Limiting Circuitry Demystified
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    144kB
    Application Note 3882 
    EMI/EMC Suppression in Audio/Video Interfaces
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    102kB
    Application Note 3881 
    Spread-Spectrum-Modulation Mode Minimizes Electromagnetic Interference in Class D Amplifiers
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    58kB
    Application Note 3880 
    Minimizing RF Susceptibility in Cell-Phone Headphone Amplifiers
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    170kB
    Application Note 3877 
    ALC Improves Sound Quality While Protecting Speakers
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    208kB
    Application Note 3878 
    Reduce EMI from Class D Amplifiers Using New Modulation Techniques and Filter Architectures
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    150kB
    Application Note 3879 
    Thermal Considerations for a Class D Amplifier
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    81kB
    Application Note 3660 
    PCB Layout Techniques to Achieve RF Immunity for Audio Amplifiers
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    100kB
    Application Note 3736 
    How to Test the Crystal's Power Level in the MAX9485
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    117kB
    Application Note 3735 
    Audio-DAC Performance Investigation
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    188kB
    Application Note 3673 
    An Overview of Automatic Level Control
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    92kB
    Application Note 3687 
    Quantitative Analysis Yields Objective Measurement for Audio Amplifier Click and Pop
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    113kB
    Application Note 3612 
    AutoShutdown™ for Speaker Amplifier Conserves Cell-Phone Power
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    65kB
    Application Note 3573 
    Feature-Rich, Complete Audio Record/Playback for GSM/GPRS Cell Phones
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    64kB
    Application Note 3570 
    LVDS Multimedia Interface Has Bright Future in Automotive Systems
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    74kB
    Application Note 3512 
    Automotive Applications for Silicon Spread-Spectrum Oscillators
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    36kB
    Application Note 3492 
    Audio Fading Circuit Using the MAX5456/MAX5457
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    89kB
    Application Note 3503 
    Clock Generation with Spread Spectrum
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    31kB
    Application Note 3498 
    Simple Logic-Level Translation Interfaces 1.8V Microcontrollers and 3V Peripherals
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    32kB
    Application Note 3484 
    Upgrading from Mechanical Potentiometers to Digital Pots
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    52kB
    Application Note 3354 
    DirectDrive® Technology Enables 2VRMS Audio Line Driver from a Single 3.3V Supply
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    176kB
    Application Note 3171 
    Do Passive Components Degrade Audio Quality in Your Portable Device?
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    188kB
    Application Note 3077 
    A Digitally Controllable Lowpass Filter Using a Digital Potentiometer
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    46kB
    Application Note 2914 
    3V Supply Delivers 12VP-P to Piezoelectric Speaker
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    273.5kB
    Tutorial 2045 
    Understanding Common-Mode Signals
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    67kB
    Application Note 234 
    Calculate Ratiometric Outputs of the Log Pot DS1802
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    91kB
    Application Note 1762 
    A Beginner's Guide to Filter Topologies
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    119kB
    Tutorial 1828 
    Audio Gain Control Using Digital Potentiometers
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    50kB
    Application Note 1187 
    Chip Recorder Customizes Phone Ringer
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    183kB
    Tutorial 738 
    Minimizing Component-Variation Sensitivity in Single Op Amp Filters
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    193kB
    Reference Schematic 161 
    Using a DS1802 Pushbutton Digital Potentiometer to Create an Audio Preamplifier with Attenuator
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    36kB
    Application Note 1122 
    Optimizing Audio Bridged Tied Load Amplifiers
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    157.2kB
    Application Note 624 
    Class D Audio Amplifier Output Filter Optimization
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    175kB
    Application Note 988 
    Driving Audio Piezoelectric Transducers
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    119kB
    Application Note 184 
    Digitally-Controlled Phase Shift Using the DS1669
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    50kB
    Application Note 730 
    Minimizing Total Harmonic Distortion Contributed by Analog Switches in Audio Systems
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    155kB
    Application Note 160 
    Using the DS1808 in Audio Applications
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    783kB
    Application Note 2119 
    Audio Characterization Report for the DS1802 Dual Digital Audio Potentiometer
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    32kB
    Application Note 558 
    Tech Brief 2: Dual-Polarity Amplifier is Controlled Digitally


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