| Fangtek Introduces ft4288 2.1W Stereo Class AB Audio Power Amplifier。 |
| The ft4288 is a 2.1W bridge-connected dual audio amplifier. When supplied with 5V voltage, the ft4288 can deliver 2.1W to a 4Ω load or 2.4W to 3Ω load with the THD+N rate lower than 1.0%. |
| The dual audio power amplifier design of ft4288 provides high quality dual-channel output while requiring few external components and consuming very little PCB space. |
| The ft4288’s power-saving feature is another plus tailored for handheld device. Other features such as thermal shutdown protection and “click and pops” reduction during power-up ensure the safety and reliability in applications. |
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| Features： |
| ·PSRR: 85dB at 217Hz (typical) |
| ·THD+N: 0.01% (32Ω load, 75mW, Single-ended mode) |
| ·Output Power: 2.1W (4Ω); 1.3W (8Ω) |
| ·Shutdown Current: 0.04μA (typical) |
| ·Supply Voltage: 2.7~5.5V |
| ·Package: QFN-24 (4mm x 4mm) |
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