Description
This is a 2x50W audio amplifier which integrates TI’s TPA3116 as the driver. It has perfect class-D architecture, and each channel has 50W power output. This board can be powered by any DC12V-24V power supply. It can be used to drive any 4Ω or 8Ω passive speakers. There are a ON/OFF switch and a volume knob on the front panel. It’s very easy to use.
Specification:
TA = 20℃, fIN = 1 kHz sine wave, RL = 4Ω. (Unless otherwise stated)
|
Parameter |
Condition |
Min |
Typ |
Max |
|
Supply Voltage (VDC) |
– |
12 |
21 | 24 |
| Idle Power | SD Floating |
– |
1.3W | 2.5W |
| Standby Power | SD Connected to GND |
– |
0.1W | 0.3W |
| Maximum Current | 100W @ 4Ohm |
– |
5.29A |
– |
| Efficiency | 50W @ 4Ohm | 87% | – | 92% |
| Minimum Load Impedance | 3.2Ω | |||
| Switching Frequency | SD Floating | – | 394KHZ | – |
| Gain | 24dB | 25dB | 26dB | |
| Input Sensitivity(RMS) | @4Ω, 50W, 1KHz | – | 808mV | – |
| Input Impedance | – | – | 22KΩ | – |
| Output Power | @4Ω THD+N 1% | – | 36W | – |
| @4Ω THD+N 10% | – | 50W | – | |
| Bandwidth @ ±3dB | @4Ω | 20Hz | – | 20KHz |
| THD | @4Ω, 1W, 1KHz | – | 0.0299% | – |
| @4Ω, 10W, 1KHz | – | 0.073% | – |
Features:
- Dimension: 16cm x 7.5cm x 4.8cm
- Weight: 420g
- Working voltage: DC12V-24V
- Over temperature protection
- Over current protection
Applications:
- Personal computer
- Desktop amplifier
- MP3, Video CD output Amplification
- Home Theater
- Powered DVD Systems
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