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TS4998IQT Datasheet(PDF) 1 Page - STMicroelectronics |
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TS4998IQT Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 33 page  December 2007 Rev 1 1/33 33 TS4998 2 x 1W differential input stereo audio amplifier Features ■ Operating range from VCC= 2.7V to 5.5V ■ 1W output power per channel @ VCC=5V, THD+N=1%, RL=8Ω ■ Ultra low standby consumption: 10nA typ. ■ 80dB PSRR @ 217Hz with grounded inputs ■ High SNR: 106dB(A) typ. ■ Fast startup time: 45ms typ. ■ Pop&click-free circuit ■ Dedicated standby pin per channel ■ Lead-free QFN16 4x4mm package Applications ■ Cellular mobile phones ■ Notebook and PDA computers ■ LCD monitors and TVs ■ Portable audio devices Description The TS4998 is designed for top-class stereo audio applications. Thanks to its compact and power-dissipation efficient QFN16 package with exposed pad, it suits a variety of applications. With a BTL configuration, this audio power amplifier is capable of delivering 1W per channel of continuous RMS output power into an 8 Ω load @ 5V. Each output channel (left and right), also has its own external controlled standby mode pin to reduce the supply current to less than 10nA per channel. The device also features an internal thermal shutdown protection. The gain of each channel can be configured by external gain setting resistors. QFN16 4x4mm Pin connections (top view) www.st.com |
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