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Noisy Cricket Stereo Amplifier - 1.5W Hookup Guide
Introduction
The Noisy Cricket Stereo Amplifier, uses the LM4853 which can be configured to output up to 1.5W of power in
mono operation (4Ω load) or 300mW per channel in stereo operation (8Ω load). The amplifier comes with a dual-
ganged pot with a built in switch to control power and adjust both left and right channel gain. In this tutorial, we'll
show how to wire it up and crank up your tunes!
SparkFun Noisy Cricket Stereo Amplifier - 1.5W
DEV-14475
Product Showcase: Noisy Cricket & Soundie Audio Boards
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Summary of Contents for sparkfun DEV-14475
- Page 1 In this tutorial, we’ll show how to wire it up and crank up your tunes! SparkFun Noisy Cricket Stereo Amplifier - 1.5W DEV-14475...
- Page 2 Suggested Materials Here are some related products that will help you get started with the Noisy Cricket: Surface Transducer - Large SparkFun TRRS 3.5mm Jack Breakout COM-10975 BOB-11570 Speaker - 0.5W (8 Ohm) Audio Cable TRRS - 18" (pigtail) ...
- Page 3 Audio Jack - 3.5mm (Panel Mount) Black Chicken Head Knob - 14x20mm COM-11154 COM-10000 Tools You will need a soldering iron, solder, and general soldering accessories. Solder Lead Free - 100-gram Spool Weller WLC100 Soldering Station TOL-09325 ...
- Page 4 Switch Basics Introduction to Operational Amplifiers with LTSpice A tutorial on electronics' most overlooked and Picking up where we left off in "Getting Started with underappreciated component: the switch! Here we LTSpice," we delve a little deeper into LTSpice through explain the difference between momentary and an introduction of Operational Amplifiers.
- Page 5 Out of the box, the resistors are configured to take a headphone output signal from your computer or phone. When cranked to 11, the output will be distorted, but that was done deliberately to make sure you’re able to get the full power from the amplifier.
- Page 6 Stereo Amplifier Wiring To get the full output power from the amplifier you’ll need to configure the Noisy Cricket as a mono amplifier. When configured as a mono amplifier, the left and right input channels are combined to drive a single speaker. To enable mono operation, use solder to short the two pads labeled “ENABLE MONO OUTPUT”...
- Page 7 In the first graph we see the effect that the load (speaker) has on the output power available. As we can see, there is an inverse relationship between the load resistance and the output power. To get the most out of the Noisy Cricket, it’s recommended to use a 4Ω...
- Page 8 Eagle Files (ZIP) LM4853 Datasheet (PDF) GitHub Repo SparkFun Product Showcase: Noisy Cricket & Soundie Audio Boards Need some inspiration for your next project? Check out some of these related tutorials: RN-52 Bluetooth Hookup Guide Si4703 FM Radio Receiver Hookup Guide...
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