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HOME / PRODUCT CATEGORIES / AUDIO BOARDS / SPARKFUN I2S AUDIO BREAKOUT - MAX98357A
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SparkFun I2S Audio Breakout - MAX98357A
DEV-14809
DESCRIPTION FEATURES DOCUMENTS
Supply Voltage Range: 2.5V - 5.5V.
Output Power: 3.2W into 4Ω at 5V.
Output Channel Selection: Left, Right, or Left/2 + Right/2 (Default).
Sample Rate: 8kHz - 96kHz.
Sample Resolution: 16/32 bit.
Quiescent Current: 2.4mA.
Filterless Class D Outputs
No MCLK Required
Click and Pop Reduction
Short-Circuit and Thermal Protection.
Tags
AUDIO BREAKOUT DEVELOPMENT I2S MAX98357A SPARKFUN ORIGINAL
SparkFun I2S Audio Breakout - MAX98357A Product Help and Resources
TUTORIALS VIDEOS SUPPORT TIPS SKILLS NEEDED
I2S Audio Breakout
Hookup Guide
SEPTEMBER 6, 2018
Hookup guide for the MAX98357A
I2S audio breakout board.
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Member #630068 / about 4 months ago / 1
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Purchased one of these little guys for a Pi powered radio. It replaced a bulky (in relative terms) USB/DAC that
picked up all kinds of hiss, and it replaced a heat wasting amplifier also with a bulky design, and finally it
replaced a Python controlled on/off power relay. So, for peanuts I got better audio quality, less noise (with one
exception to follow), better battery life and space savings. What not to like?
One thing! A very loud POP at both power on and when the mpd/mpc “play” command was issued. Solved the
power on POP with a 10K pull-down resistor on the SD (mute) pin. Worked around the “play” POP by delaying
the un-mute for 2 seconds after starting “play”.
Bottom line - love it. Crisp audio, gain to spare and beats other solutions.
Poke around on the Adafruit forum and look for “Raspberry Pi and I2S amplifier pops on startup. FIX!”, then
search on “MAX98357A” to see other relevant comments.
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