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Specification
Brand : Hyuduo
BulletPoint1 : [Dc Coupled Design] Features a dc-biased output for stable voltage delivery when in quiet conditions, suitable for various audio equipment.
BulletPoint2 : [High-performance Amplification] Utilizing the op amp for exceptional amplification with minimal noise interference.
BulletPoint3 : [Rail-to-rail Output] Delivers clear audio output up to 5vpp, ensuring distortion- sound reproduction.
BulletPoint4 : [Adjustable Gain Settings] The gain can be set from 25x to 125x, ideal for precise readings from microcontroller adcs.
BulletPoint5 : [Wide Compatibility] Perfectly suited for stm, , and other development boards, enhancing sound detection capabilities.
Color : red
ExternallyAssignedProductIdentifier : 4711702706010
ItemName : Microphone Amplifier Module Sound Sensor 2.4V to 5.5V Microphone Preamplifier, Excellent Power Supply Noise Rejection, Adjustable Gain, Rail to Rail Output, For
ItemPackageDimensions_Height : 1 centimeters
ItemPackageDimensions_Length : 8 centimeters
ItemPackageDimensions_Width : 5 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : microphone-preamps
Manufacturer : Hyuduo
ModelName : Hyuduo9syo5f7adz
ModelNumber : Hyuduo9syo5f7adz
NumberOfItems : 3
PartNumber : Hyuduo9syo5f7adz
ProductDescription : 1. For amplification, we use the MAX4466, an op amp designed to accomplish this delicate task.
2. With 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.
3. You can set the gain from 25x to 125x, for reading from a microcontroller ADC. The output is rail‑to‑rail so if the sounds gets loudly, the output can go up to 5Vpp.
4. For the best performance, use the quietest supply available. 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 volts (it is DC coupled). If the audio equipment you're using requires AC coupled audio, place a 100uF capacitor between the output pin and the input of your devices. If you are connecting to an audio amplifier that has differential inputs or includes decoupling capacitors, the 100uF cap is not required.
5. Using it is simple: connect GND to ground, VCC to 2.4-5VDC.
6. The output pin is not designed to drive speakers or anything but the smallest headphones, you'll need an audio amplifier (such as our 3.7W stereo amp) if you want to connect the amp directly to speakers.

Spec:
Item Type: Microphone Amplifier Module
Power Supply Voltage: + 2.4V to + 5.5V (can be directly connected for STM /for and other development board)
Power Supply Rejection Ratio: 112dB
Common Mode Rejection Ratio: 126dB
AVOL: 125dB (RL = 100kΩ) Rail-To-Rail Output
Static Supply Current: Gain Bandwidth: 600kHz
Size: Approx. 20.8 x 13.8 x 7.5mm / 0.8 x 0.5 x 0.3in

PackageList:
1 x Module
1 x Pin Header
ProductSiteLaunchDate : 2024-11-13T17:36:09.442Z
UnspscCode : 52161547