DESCRIPTION 

This Wireling uses the NCP2820 to amplify audio. With more than 90% efficiency, this low-power amplifier will save the lifetime of your battery. The 16x9 speaker is also included with this board and can be connected to the speaker port.

New to Wirelings? Check out the Wireling Overview!

Note* 5-Pin Wireling cables not included and sold separately.

TECH SPECS

NCP2820 Specs

• Optimized PWM output stage: filterless capability
• Ultra-fast start-up time 1ms
• External gain configuration capability
• "Pop and click" noise protection circuitry
• Internally generated 250 kHz Switching frequency

TinyDuino Power Requirements

• Voltage: 3.0V - 5.5V 
• Current: 2.5 mA (Typical Quiescent Current Mode). 

Pins Used

• A0 - A3 - Audio Input (Analog) to the amplifier.  The pin is dependent on which Wireling port this board is plugged into.  

Dimensions

• 9mm x 16mm (.35 inches x .63 inches)
• Max Height (from the lower bottom of Wireling to upper top Wireling Connector): 3.70mm (0.15 inches)
• Weight: 1 gram (.04 ounces)

NOTES

• You can also use this shield without the TinyDuino – modifying the connecting cable by removing the opposite connector and stripping/tinning the wires, you can solder the connector cable to any other microcontroller board of your choice!   

DOWNLOADS

• NCP2820 Datasheet
• Eagle Files
• Schematic
• CAD 3D and 2D Files