DFR0119

DFR0119 Datasheet

3W mini audio stereo amplifier SKU:DFR0119

Part	Datasheet
DFR0119	DFR0119 (pdf)

PDF Datasheet Preview
3W mini audio stereo amplifier SKU:DFR0119 Contents • 1 Introduction • 2 Specifications • 3 Connection Diagram Introduction This is a mini stereo amplifier. It is a fully functional, two-channel audio amplifier, comes with electric switcher. Specifications • Power Supply DC 3.6-5.5V DO NOT apply over 5.5V, it damage the chip presently • Output power 3w+3w 4 ohms • Efficiency >90% • Size 15.5*24mm • Weight 7g Connection Diagram Sleep Mode When the "SW" PIN is low 0V , it will turn off the amplifier's bias circuitry. and enter the sleeping mode. When the "SW" value is high 5V , it will enter the working mode. By default without anything connected to this PIN it will be HIGH / powered on and in normal operation. If you don't need to turn it off manually, you can leave this pin disconnected like in the wiring diagram picture. This feature is optional and will allow you by software to turn it off, to avoid noise or save power. Note, the picture has a battery for power input, but you can use other power supply at 5V. Powered By DFRobot 2008-2017

PDF Datasheet Preview

3W mini audio stereo amplifier SKU:DFR0119

Contents
• 1 Introduction
• 2 Specifications
• 3 Connection Diagram

Introduction

This is a mini stereo amplifier. It is a fully functional, two-channel audio amplifier, comes with electric switcher.

Specifications
• Power Supply DC 3.6-5.5V DO NOT apply over 5.5V, it damage the chip presently
• Output power 3w+3w 4 ohms
• Efficiency >90%
• Size 15.5*24mm
• Weight 7g

Connection Diagram

Sleep Mode When the "SW" PIN is low 0V , it will turn off the amplifier's bias circuitry. and enter the sleeping mode. When the "SW" value is high 5V , it will enter the working mode. By default without anything connected to this PIN it will be HIGH / powered on and in normal operation. If you don't need to turn it off manually, you can leave this pin disconnected like in the wiring diagram picture. This feature is optional and will allow you by software to turn it off, to avoid noise or save power. Note, the picture has a battery for power input, but you can use other power supply at 5V.

Powered By DFRobot 2008-2017

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Datasheet ID: DFR0119 508646