DFRobot MAX98357 I2S Amplifier Module

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Approx Restocking Date: 25 to 30 Days
SKU: 1551184
  1. Single-Supply Operation (2.5V to 5.5V)
  2. 3.2W Output Power into 4I at 5V
  3. 2.4mA Quiescent Current
  4. 92% Efficiency (RL = 8I, POUT = 1W)
  5. 25µVRMS Output Noise (AV = 15dB)

 502.00

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Brand: DF Robot
Category: Audio Amplifier Module
Tags: Amplifier Module, MAX98357 Amplifier Module

This I2S digital amplifier based on the MAX98357 I2S Class D amplifier module works great with microcontrollers with I2S audio outputs like ESP32 and can be applied to projects like IoT nodes, smart home devices, Bluetooth audio players, and so on. The module supports a 3.3V-5V power supply. And it can output over 2.5W of power when driven by 5V and a 4Ω speaker. Besides, it allows users to set different modes (off, left channel, right channel, and mixed) by changing the resistance on the SD port. The product defaults to mixed mode. Featuring a small size, this I2S amplifier comes with stamp holes that enable it to be directly plugged into or mounted on a PCB and breadboard. Also, it is designed with PH2.0 and stamp holes for connecting speakers, flexible and convenient to use.

Applications:
  1. Bluetooth Audio Player
  2. IoT Node Audio Player
  3. Smart Home Voice Interaction
  4. Robotic Device Audio Player

Features:

  1. MAX98357 I2S digital Class D amplifier, power >2.5W
  2. 3.3V~5V voltage power supply
  3. Switchable sound channel
  4. Adjustable gain
  5. Stamp holes design, support SMT and DIP
  6. Two ways to connect a speaker: PH2.0 and stamp holes

Package Includes:

1 x DFRobot MAX98357 I2S Amplifier Module

MCU

MAX98357A

Operating Voltage

DC 3.3V~5V

Output Power

8Ω 1.8W / 4Ω 2.5W (at 12db)

Output Channel

single channel

Communication Interface

I2S interface

Operating Temperature

-40℃ – +80℃

Storage Temperature

-40℃ – +80℃

Dimension (Without Packaging)

18mm × 18mm/ 0.059 × 0.059

Sample Rate

8kHz~96kHz

Dynamic Range

105DB (A-weighted, VRMS = 2.54V, 24- or 32-bit data)

Output Noise

25FVRMS (A-weighted, 24- or 32-bit data (Note 4))

Efficiency

92% (ZSPK = 8I + 68FH, THD+N = 10%, f = 1kHz, gain = 12dB)

DAC Gain Error

1%

Frequency Response

±0.2dB

Class D Switching Frequency

330kHz

Spread Spectrum Bandwidth

±12.5kHz

Shipping Weight 0.007 kg
Shipping Dimensions 6 × 6 × 3 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.


What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China