Mini digital amplifier board, amplifier board, USB-powered, high power 3W dual channel

Mini digital amplifier board, amplifier board, USB-powered, high power 3W dual channel

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ARD00160
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2,87 €

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Mini digital amplifier board, amplifier board, USB-powered, high power 3W dual channel 

The module consists of a low frequency amplifier with USB power supply. Its predominant use is to create a listening system for PC or Arduino modules.The amplifier can provide a power output of 3W per channel (two 3 + 3W chips).The outputs are in differential configuration to get the desired output power levels.The amplifier has a MUTE command, used to reset the output volume.The power supply voltage is 5V.

Super mini digital amplifier board, 10-year new high-efficiency digital amplifier, the input voltage of 5V [3 x 2] 6W of power, ultra-thin board, can very conveniently placed in small plastic boxes or other equipment gap, such as to create MP3 /4 or laptop External speakers, as you imagine, the power supply is recommended to take the USB 5V or single-cell lithium-powered.
   "Advantages": 10 new efficient digital amplifier chip, internal special output processing circuit, eliminating the conventional LC network than LC's lower EMI value! To obtain the maximum power output at lower voltages, the super-power, built-in standby electronic switch, built-in high-gain buffer amplifier, built-in short circuit protection. Power: 3.6 to 5.5V, single-cell lithium battery or USB-powered appropriate, also be used four 1.2V battery-powered, plus a 5V regulator circuit with a transformer power supply must be more than 5.5V chip will burn out.

"Parameters":

Power supply: DC (DC): 3.6v-5.5V
Output power: 3W +3 W (4 in Europe)
Signal-to-noise ratio: 90dB
Efficiency:> 90%
Size: 24 * 15.5 * mm positioning holes size: Spacing 20mm aperture: 2mm
Note:
1: power positive and negative can not be reversed, the supply voltage can not exceed 5.5V, these two violations would have led IC damage.
2: On-chip high-gain buffer can not be altered to to board any component parameters, does not meet the parameters will result in IC damage.
3: input line try to use shielded line, you can play an anti-jamming effect, eliminate clutter current sound.
4: Output for cmos tube BTL driver, the negative terminal of the left and right speakers can not be together, that the four lines connecting to the speaker is completely independent, and does not allow total access!  
 

 

 

 




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Mini digital amplifier board, amplifier board, USB-powered, high power 3W dual channel

Mini digital amplifier board, amplifier board, USB-powered, high power 3W dual channel

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