The TS4990 is a 1.2W audio power amplifier with active-low standby mode.
The TS4990 is an ultra-low consumption audio power amplifier designed for demanding applications such as mobile phones, laptops, PDAs, and portable audio devices. It delivers 1.2 W of continuous RMS output power into an 8 Ω load at 5 V with a total harmonic distortion plus noise (THD+N) of less than 0.2%.
| Output power (5V, 8Ω) | 1.2 W |
|---|---|
| Supply voltage range | 2.2 V to 5.5 V |
| Standby current (5V) | < 10 nA |
| Gain bandwidth product | 1.5 MHz |
The typical wake-up time with a 1 µF bypass capacitor is between 90 ms and 150 ms depending on the supply voltage.
The device is available in 9-bump flip-chip, miniSO-8, and DFN8 packages.
Yes, it includes an internal thermal shutdown protection active at 150 °C.