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MAX98357 I2S Audio Amplifier Module
$1.9500
In stock
SKU
SEN-17-139
Volume discounts:
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- +500 11 % $1.7400
- +1000 13 % $1.7000
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TDA8932 Digital Power Amplifier Module- 35W Previous 
MAX98357 I2S Audio Amplifier Module is a compact digital audio amplifier module with standard I2S audio input. It combines I2S DAC and amplifier functions in one board. The module can convert digital audio to analog and amplify it directly to a speaker. It is designed for systems with I2S audio output and uses a Class D amplifier architecture. The module supports multiple gain settings and includes built-in protection features.
Features of MAX98357 I2S Audio Amplifier Module
- Compact all-in-one audio module
- I2S digital audio input
- Integrated DAC and amplifier
- Class D amplifier design
- Selectable gain settings
- Built-in thermal protection
- Built-in over-current protection
- Direct speaker drive
Specifications of MAX98357 I2S Audio Amplifier Module
- Output power: 3.2W at 4Ω and 10% THD
- Output power: 1.8W at 8Ω and 10% THD
- I2S sampling rate: 8kHz-96kHz
- Class D gain optional: 3dB/6dB/9dB/12dB/15dB
- No master clock (MCLK) required
- 35 different clocks can be automatically configured
- 128 digital audio formats can be automatically configured
- Suitable for microcontrollers or development board systems with I2S audio output such as Raspberry Pi, Arduino and ESP32
- LRC: Frame clock
- LRC: Left/Right clock for I2S and LJ modes
- LRC: Sync clock for TDM mode
- BCLK: Bit clock input
- DIN: Digital input signal
- GAIN: Gain and channel selection
- SD: Shutdown and channel selection
- SD_MODE low places the device in shutdown
- GND: Power ground
- VCC: DC 2.5V-5.5V
- Audio input: I2S standard
- Logic level: 3.3V or 5V
- Outputs: Bridge Tied
- Output waveform: ~300KHz square wave PWM
- Default gain: 9dB
- Mono output: (L+R)/2 stereo mix
- Channel output can be changed to left or right
How to Use MAX98357 I2S Audio Amplifier Module
- Connect VCC and GND.
- Connect LRC, BCLK, and DIN to the I2S source.
- Use GAIN to select the desired gain level.
- Use SD for shutdown or channel selection.
- Connect the outputs directly to a speaker.
More Info
- Works with Raspberry Pi, Arduino Zero, and other I2S audio systems.
- The output should drive speakers directly.
- Outputs have no connection to ground.
| Interface Type | Digital |
|---|---|
| Operating Voltage (V) | 2.5V - 5.5V |
| Operating Temp (°C) | -40 to 85 |
| Audio Function | Amplifier |
| Output Power | 3.2W at 4Ω, 1.8W at 8Ω |
| Speaker Impedance (Ω) | 4Ω, 8Ω |
| Sampling Rate (Hz) | 8kHz - 96kHz |
| Audio Formats | I2S, Left-Justified, TDM |
| Input Types | I2S |
| Bluetooth Ver. | No |
| Output Type | PWM |
| Channels | 1-channel |
| Chipset | MAX98357 |
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