Pin Configuration:
- LRC (Frame Clock): Left/Right clock for I2S and LJ modes; sync clock for TDM mode.
- BCLK (Bit Clock): Bit clock input for audio data transfer.
- DIN (Digital Input): Digital audio input signal.
- GAIN: Allows for gain and channel selection.
- SD (Shutdown Mode): Pull SD_MODE low to place the device in shutdown mode.
- GND: Power ground connection.
- VCC: DC input voltage range of 2.5V - 5.5V.
Package:
- 1 x Audio Amplifier Module
- 1 x Pin Header
- 1 x 2-Pin Plug
Description:
The MAX98357 I2S 3W Class D Amplifier Breakout (Purple PCB) is a powerful audio amplifier module designed to work seamlessly with microcontrollers and development boards that have I2S audio output, such as Raspberry Pi, Arduino, and ESP32. This module converts digital I2S audio signals to amplified analog signals for driving speakers directly. It offers a maximum output of 3.2W at 4Ω with 10% THD, providing high-quality sound output for a variety of applications. The module is easy to use with its plug and play functionality, supporting 35 different clocks and 128 digital audio formats.
FAQ:
1. What is the output power of this amplifier?
The amplifier provides 3.2W at 4Ω with 10% THD, and 1.8W at 8Ω with 10% THD.
2. What is the I2S sampling rate supported by the module?
The module supports an I2S sampling rate range of 8kHz - 96kHz.
3. How can I adjust the gain?
The gain can be set to one of the following options: 3dB, 6dB, 9dB, 12dB, or 15dB.
4. Does this module require a master clock?
No, the module does not require a master clock (MCLK).
5. Which devices are compatible with this amplifier module?
It is compatible with microcontrollers and development boards with I2S audio output, such as Raspberry Pi, Arduino, and ESP32.
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