Parameter introduction:
- PCB size: length 16 × width 10.5 × thickness 2.6mm (including protruding part)
- Installation method: inline, SMT patch
- Output power: mono 3W
- Supply voltage: 2V-5V (3.7V lithium battery can be used)
- Output impedance: 4 ohms – 8 ohms
- Frequency response: 150HZ-20KHZ
- Efficiency: 90%
- Silent control: yes
- Volume adjustment: none
- Wiring instructions
- This board should be grounded, and the 3 pin is the negative pole of the power supply and the ground. 1 pin is a silent output, it should be connected with 3 feet, when the voltage is 0
Features
- Improved PSRR at 217 Hz & 1 KHz 60 dB
- Power output at 5.0V, 10% THD+N, 4 Ohm 2.0 W (typ.)
- Power output at 5.0V, 1% THD+N, 8Ohm 1.5 W (typ.)
- 2.2V – 5.5V operation
- Improved circuitry eliminates pop-click noise during turn-on and turn-off transitions
- No output coupling capacitors, snubber networks or bootstrap capacitors required
- Unity-gain stable
- External gain configuration capability
Applications
- Portable computers
- Desktop computers
- Low voltage audio systems
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