The Microphone AMP Board enables you to add a power amplifier with microphone to your applications. There is an on-board Audio Power Amplifier LM4864 and microphone that can be connected to your prototype device via an on-board screw terminal.
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The Microphone AMP Board features a microphone connected to a power amplifier LM4864 designed for use in low-voltage consumer applications. The gain is internally set to 20 in order to keep external part count low, but the addition of a potentiometer and capacitor between pins 1 and 8 will increase the gain up to 200.
|Applications||Board is a great choice for general purpose audio applications, cellular phones, personal computers and other|
|On-board modules||Power amplifier LM4864, potentiometer|
|Key Features||Thermal Shutdown Protection Circuitry, External Gain Configuration Capability|