Parameter Information:
- Model: MAX98357
- Amplifier Type: Class D amplifier - Output Power:
- Maximum: 3.2W RMS (at 4Ω Load, 5V, 10% THD+N)
- Typical: 2.1W RMS (at 4Ω Load, 5V, 1% THD+N)
- Signal To Noise Ratio (SNR): 95db (Typical Value)
- THD+N: 0.03% (Typical Value, at 1W Output, 4Ω)
- Efficiency: 90% (Typical Value, D Class Amplification Advantage)
- Audio Input Interface: Digital IPS Interface
- Input Signal: Digital Pulse Code Modulation (PCM) Data
- Audio Output Interface: Mono, Differential BTL Bridge Output
- Supply Voltage Range: 2.7V~5.5V
- Static Current: 2.4 mA (Typical Value, without Signal)
- Turn Off Current:- Gain Setting: 3db, 6db, 9db, 12db, 15db
- VIN: Power Supply Input
- GND: Ground
- SD: Shutdown and Channel Select. Pull SD_MODE low to place the device in shutdown. In I2S or LJ mode, SD_MODE selects the data channel. In TDM mode, SD_MODE and GAIN_SLOT are both used for channel selection.
- DIN: Digital Input Signal
- GAIN: Gain and Channel Selection. In I2S and LJ mode determines amplifier output gain.
- In TDM mode, used for channel selection with SD_MODE.
- In TDM mode, gain is fixed at 12dB.
- BCLK: Bit Clock Input
- LRC: Frame Clock. Left/right clock for I2S and LJ mode. Sync clock for TDM mode.
- OUT-P: Positive Speaker Amplifier Output
- OUT-N: Negative Speaker Amplifier Output
Place of Application:
- This module provides amplified audio output for a wide range of applications, including smart speakers, IoT devices, multimedia projects, educational electronics, and portable audio equipment.
Package Include:
5 x Max98357 Amplifier Module
5 x 2-Pin Screw Terminal
5 x 6-Pin Male Header