I2S Amplifier BFF Add-On - audio amplifier module for QT Py and Xiao
ID: 1185646
zł27.83
Tax included
zł22.63 tax excl.
Module with class D mono audio amplifier designed for QT Py and Xiao boards. It is based on the MAX98357 system and can work with a loudspeaker from 4 to 8 Ω with a power of up to 3 W. It communicates via the I2S interface. Adafruit 5770
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Description
Module with class D mono audio amplifier based on the MAX98357 chip, designed for QT Py and Xiao boards. It can work with a speaker from 4 to 8 Ω with a power of up to 3 W and communicates via I2S. It allows users to set different modes (off, left channel, right channel and mixed) by changing the resistance on the SD pin (default is set to mixed mode). Thanks to its small size, it will be used when building a small audio player. Pin layout will work with ESP32, nRF52840 and RP2040 series boards (will not work with ATSAMD21 due to lack of I2S pins) It is powered by 5V supplied via USB to QT Py and Xiao modules. Full documentation and sample programs are available on the product page.
Features
- Class D mono amplifier
- Power: 1.8W into 8Ω, 3W into 4Ω
- Speaker: 4 to 8 ohms
- I2S interface
- Sampling frequency: 8 to 96 kHz
- Adjustable gain 3dB, 6dB, 9dB, 12dB, 15dB
- Support for PCM encoding
- THD: 0.02% (f = 1kHz, POUT = 1W, TA = +25NC, ZSPK = 4I + 33FH, TQFN), 0.013% (f = 1kHz, POUT = 0.5W, TA = +25NC, ZSPK = 8I + 68FH)
- Dynamic range: 105 dB
- Output noise: 25 FVRMS
- Efficiency: 92% (ZSPK = 8I + 68FH, THD+N = 10%, f = 1kHz, Gain = 12dB)
- DAC Gain Error: 1%
- Frequency response: ±0.2dB
- Switching frequency: 330kHz
- Spread Spectrum Bandwidth: ±12.5 kHz
- PicoBlade connector for speaker
- SMT edge pads
- Supply voltage: 5V
- Dimensions: 20.9 x 17.9 x 7.2mm
Kit contains
- NeoPixel Driver BFF Add-On Module
- 2 x straight male connector 1x7
1185646
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