Welcome to use this self-made 2 x 8W audio amplifier board which has perfect class-D architecture and integrated TPA3110D2 chip to achieve the 8W per channel power output. This board can be powered by any DC power supply ranging from +8 to 19V, which can be used to drive any 4Ω or 8Ω passive speakers.High quality components, high efficiency chip and self-dissipation make this product perfect for hi-fi applications



Features:

Size: 3” x 2”
External mute control port
Supply voltage: DC 8V to 19V
Over/under voltage protection
Over current protection
Over temperature protection


Applications:

Desktop amplifier
Personal computers
Microphone preamplifier
Home DIY
Vending machines, Lifts,
Interactive kiosks


Specification:

Following table lists all typical data of the Amp board. For full specification, please refer to the

data sheet of TI’s TPA3110 chip.

TA = 20℃, fIN = 1 kHz sine wave, RL = 4Ω. (Unless otherwise stated)

Parameter


Condition


Min


Typ


Max

Supply Voltage (V)


-


8


12


19

Quiescent Current (mA)


SD = 2V, No load, Vcc = 12V


-


20


35

Input Sensitivity (V)


Gain = 26dB


-


0.283


-

Input Impedance (Kohm)


-


-


30


-

Gain (dB)


-





26




Output Power (W rms)


THD+N = 10%, Vcc = 12V


-


8


-

Efficiency (%)


Vcc = 12V, RL = 8Ω, PO = 5W


-


86


-

Minimum Load (ohm)


-


3.2


4


-

Frequency Response (Hz)


±3dB


20


-


22k

Operating Temperature (℃)


-


-40


20


65

Applications:

It is the ideal solution for any sound reinforcement installation or application needing an affordable compact PA system.
Background Music Systems
Vending machines
Lifts
Interactive kiosks
Home DIY
Car audio