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MAX4466 Electret Microphone Amplifier with Adjustable Gain Module

MAX4466 Electret Microphone Amplifier with Adjustable Gain Module

₹99.00 (inc. GST)

Model:MAX4466
Input Voltage (Volt):2.4 – 5.5
Input Current (µA):24
Gain Bandwidth Product (KHz):600
Phase Margin (Degrees):70
Gain Margin (dB):20

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SKU: RY1455 Categories: Modules, Audio Module, ESP Boards and Accessories, Miscellaneous Module

Description

MAX4466 Electret Microphone Amplifier with Adjustable Gain Module is fully assembled; tested board comes with a 20-20KHz electret microphone soldered on. For the amplification, we use the Maxim MAX4466, an op-amp specifically designed for this delicate task; The amplifier has excellent power supply noise rejection, so this amplifier sounds really good and isn’t nearly as noisy or scratchy as other mic amp breakouts we’ve tried!

This MAX4466 Electret Microphone Amplifier with Adjustable Gain Module is best used for projects such as voice changes; audio recording/sampling, and audio-reactive projects that use FFT. On the back, we include a small trimmer pot to adjust the gain. You can set the gain from 25x to 125x.

That’s down to be about 200mVpp (for normal speaking volume about 6″ away) which is good for attaching to something that expects ‘line level’ input without clipping, or up to about 1Vpp, ideal for reading from a microcontroller ADC. The output is rail-to-rail so if the sounds get loud, the output can go up to 5Vpp.

Features :

+2.4V to +5.5V Supply Voltage Operation.
Versions with 5nA Complete Shutdown Available (MAX4467/MAX4468).
Excellent Power-Supply Rejection Ratio: 112dB.
Excellent Common-Mode Rejection Ratio: 126dB.
High AVOL: 125dB (RL = 100kΩ).
Rail-to-Rail Outputs.
Low 24µA Quiescent Supply Current.
Gain Bandwidth Product:
200kHz (MAX4465/MAX4467/MAX4469)
600kHz AV ≥ 5 (MAX4466/MAX4468)
Available in Space-Saving Packages
5-Pin SC70 (MAX4465/MAX4466)
8-Pin SOT23 (MAX4467/MAX4468/MAX4469)

Specifications:

Model: MAX4466
Input Voltage (Volt): 2.4 – 5.5
Input Current (µA): 24
Gain Bandwidth Product (KHz): 600
Phase Margin (Degrees): 70
Gain Margin (dB): 20
Dimensions ( mm): 20 x 14 x 8
Weight (gm): 2

How to Use :

Connect GND to ground, VCC to 2.4-5VDC.
The audio waveform will come out of the OUT pin. The output will have a DC bias of VCC/2 so when its perfectly quiet; the voltage will be a steady VCC/2 volt (DC couple).
If the audio equipment you’re using requires AC coupled audio; place a 100uF capacitor between the output pin and the input of your device.
If you’re connecting to an audio amplifier that has differential inputs or includes decoupling capacitors; the 100uF cap is don’t require.
The output pin is not designed to drive speakers or anything but the smallest in-ear headphones- you’ll need an audio amplifier (such as 3.7W stereo amp)
If you want to connect the amp directly to speakers. If you’re connecting to a microcontroller pin, you don’t need an amplifier or decoupling capacitor; connect the OUT pin directly to the microcontroller ADC pin.
For audio-reactive projects; we suggest using an FFT driver library which can take the audio input and ‘translate’ it into frequencies.

Package Includes :

1 x MAX4466 Electret Microphone Amplifier with Adjustable Gain Module.
1 x Header Set (Without Soldered).

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Refund and Returns Policy

Our refund and returns policy lasts 10 days from the date of delivery. If 10 days have passed since your purchase, we can’t offer you a full refund or exchange.

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We only replace items if they are defective or damaged(during shipping) please take the photo if package is tempered or damage at the time of receiving goods . If you need to exchange it for the same item, send us an email at [email protected] and send your item to: M/S Rytronics Enterprises, Plot GH-05B Greater noida west Sector, 201306 (UP).

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To return your product, you should mail your product to: M/S Rytronics Enterprises, Plot GH-05B, Greater noida west Sector, 201306 (UP).

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

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If you are returning more items value more then Rs 2000, you may consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.