General description
VMA2016 is a small size, low profile and high efficiency (up to 88%) stereo audio amplifier module. Output power is up to 10W per channel on 8Ohm load (THD = 10%). If the load is 16Ohm the maximum power can be up to 15W x 2. There’s no heat sink needed even at the maximum output power.
Applications
- Portable audio
- Car audiol
- Entertainmentl
- Desktop audiol
- PC Audio
- Other high efficiency sound systems
Pinout
Pin Description
Pin No. | Name | Function Description |
1 | INL- | Negative input of left channel |
2 | INL+ | Positive input of left channel |
3 | EN | Enable, tide to VCC to enable the module |
4 | G0 | Gain set bit 0 |
5 | G1 | Gain set bit 1 |
6 | REG | Regulated voltage output for G0 and G1 |
7 | INR- | Negative input of right channel |
8 | INR+ | Positive input of right channel |
9 | GND | Power ground |
11 | OR- | Negative output of right channel |
12 | OR+ | Positive output of right channel |
14 | OL- | Negative output of left channel |
15 | OL+ | Positive output of left channel |
18 | VCC | 10V-22V power input |
10,13,16,17 | NC | No Connection |
Electrical Characteristics
Parameters | Value |
Supply Voltage | 10V-22V |
Channels | 2 |
Max power (THD+N = 10%) | 5W x 2 for 4Ω load |
Efficiency | 88% max |
Gain set | G1:G0=00 30dB |
THD+N | 0.07%(4Wx2, 8Ω load) |
SNR | >90dB |
Vreg | 6V |
Input Impedance Rin | >10kΩ |
Quiescent Current | 24ma |
Shutdown current | 1uA |
esting Circuit
Footprint and dimensions
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| Part No. | VMA2016 |
|---|---|
| Type | Class D |
| IC used | VMA2016 |
| No. of channles | 2 |
| Power Supply | 9V - 20V single |
| Output Power | 10W x 2 |
| Gain Bandwidth | 20Hz-20kHz |
| THD | 0.07% |
| Gain | 16 - 30 dB |
| Load Resistance | 8-16Ω |
| Input Resistance | 10k |
| Dimension (L x W x H) | 26mm x 18mm x 4mm |
| Effeciency | 88% |
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