Description:
The MAX98357 Audio Decoder Module is suitable for Raspberry Pi. Accepts digital audio through the I2S interface, converts it to an analog output signal, and amplifies it to allow direct speaker connection. MAX98357 Audio Decoder Module combines an I2S D / A converter with an audio amplifier on one board. The small stereo amplifier MAX98357 Audio Decoder Module is surprisingly powerful and delivers up to 3.2W on 4Ω impedance speakers. The class D MAX98357 Audio Decoder Module can be operated with a voltage of 2.7 V – 5.5 V. Due to the high efficiency of the amplifier, the MAX98357 Audio Decoder Module is particularly suitable for mobile and battery-powered projects.
The I2S audio input supports 3.3V and 5V levels. The gain can be set to the following values using the gain input: 3dB, 6dB, 9dB, 12dB and 15dB By default, the stereo signals (L + R) are mixed to form an output signal. The behavior can be changed using a resistor so that only L or R is output. The MAX98357 Audio Decoder Module is delivered fully assembled and tested. The delivery includes a pin header and a 2-pin terminal, which you can solder on demand.
Specifications:
- Operating Voltage: 2.7~5.5V
- Selectable Gains: 3 dB, 6 dB, 9 dB, 12 dB, 15 dB
- 77 dB PSRR at 1 kHz
- 3.2 W output at 10% THD, 4 Ω impedance of the speaker, and 5 V power supply
Features:
- Sophisticated Edge Rate Control Enables
- Filterless Class D Outputs
- Low RF Susceptibility Rejects TDMA
- Noise from GSM Radios
- Extensive Click-and-Pop Reduction Circuitry
- Robust Short-Circuit and Thermal Protection
- No MCLK Required
Package Included:
1 x MAX98357 I2S 3W Class D Amplifier Interface Audio Decoder Module Filterless Board For Raspberry Pi ESP32