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PAM8403 Module Super Mini Digital Amplifier Board 2 3W Class D 2.5V to 5V USB Power Supply
- Operating voltage: 2.5V-5.5V
- Speaker With:4-8ohms recommended:4 ohms
- Speaker Power:2-8W
- PAM8403 mini digital amplifier board
- Note: The left and right channel output of the “negative” can not, and then together, otherwise it will burn the IC and energized speaker (load) connected before
Product Description
PAM8403 5V Two-channel Stereo is a 3W+3W, class-D audio amplifier. Allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. With the same numbers of external components, the efficiency of the PAM8403 is much better than that of Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications.
Features :
- Dual-channel stereo, high output power (3 w + 3 w power @ 5V and 4 ohms load).
- Good sound quality.
- Double panel wiring solves crosstalk.
- Supermini design allows it to be easily placed in a variety of digital products.
- 3W Output at 10% THD with a 4ΩLoad and 5V Power Supply.
- Filterless, Low Quiescent Current, and Low EMI.
- Superior Low Noise.
- Short Circuit Protection.
- Thermal Shutdown
| Operating Voltage (VDC) | 2.5 ~ 5.5 |
| Max Gain | 24 dB. |
| Current Handling Capacity (A) | 0.08 |
| Efficiency | 87 %. |
| Amplifier IC | PAM 8403. |
| Load | Can direct drive 4 or 8 ohm small speakers. |
| Dimensions in mm (LxWxH) | 21 x 18 x 3 |
| Weight (gm) | 5 |
| S/N Ratio (dB) | 80 |
| Power supply Rejection ratio | -58 dB. |
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