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具有低待机模式的1.2 W音频功率放大器TS4990
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Description The TS4990 is designed for demanding audio applications such as mobile phones to reduce the number of external components. This audio power amplifier is capable of delivering 1.2 W of continuous RMS output power into an 8 Ω load at 5 V. An externally controlled standby mode reduces the supply current to less than 10 nA. It also includes an internal thermal shutdown protection. The unity-gain stable amplifier can be configured by external gain setting resistors.
Features ■ Operating range from VCC = 2.2 V to 5.5 V ■ 1.2 W output power at VCC = 5 V， THD = 1%， F = 1 kHz， with 8 Ω load ■ Ultra-low consumption in standby mode （10 nA） ■ 62 dB PSRR at 217 Hz in grounded mode ■ Near-zero pop and click ■ Ultra-low distortion （0.1%） ■ Unity gain stable ■ Available in 9-bump flip-chip， miniSO-8 and DFN8 packages
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