Description:
The MAX9812 is a single / dual input, 20dB fixed gain microphone amplifier. They feature built-in low-noise microphone biasing for portable audio devices such as laptops, cell phones, and handheld computers. These amplifiers have a gain-bandwidth product of 500kHz and deliver output swing-to-rail with industry-leading 100dB power-supply rejection and extremely low THD + N (0.015%). Also has a series of power-saving features: only 230μA supply current, the overall shutdown mode can supply current and bias current total to 100nA.
Package included:
10 x Electret Microphone Amplifier Development Board Sensor Module
![](https://img.staticbg.com/images/oaupload/banggood/images/0B/B3/f136ff96-1c2d-7e2c-6f2e-a3312df403ec.jpg)
![](https://img.staticbg.com/images/oaupload/banggood/images/0B/B3/e758e2bd-7070-c621-9924-b2c96e859e34.jpg)
![](https://img.staticbg.com/images/oaupload/banggood/images/0B/B3/14c51283-569b-eec5-2c2e-bd1c1572070c.jpg)