2W Stereo Audio Amplifier CXAR41277 2W continuous RMS power into 4Ω load per channel in Bridge-Tied Load (BTL) mode at 5V supply voltage simplify the audio system design in the notebook application an

   产品概述 返回TOPfnQ嘉泰姆

   CXAR41277 is a stereo audio power amplifier in 20pin TSSOP thermal pad package or 20-pin TQFN 4X4. It can drive 2W continuous RMS power into 4Ω load per channel in Bridge-Tied Load (BTL) mode at 5V supply voltage. Its THD is smaller than 1% under the above operation condition. To simplify the audio system design in the notebook application and to enlarge the driving power, CXAR41277 supports the Bridge-Tied Load (BTL) mode for driving the speakers. For the low current consumption applications, the SHDN mode is supported to disable CXAR41277 when it is idle. The current consumption can be reduced to 150μA (typically). Amplifier gain is internally configured and controlled by two terminals (GAIN0, GAIN1). BTL gain settings of 6dB, 10dB, 15.6dB, 21.6dB are provided.

   产品特点 返回TOPfnQ嘉泰姆

„ Internal Gain Control, Which Eliminates External Gain-Setting Resistors „ Depop Circuitry Integrated fnQ嘉泰姆

„ Output Power at 1% THD+N, VDD=5V fnQ嘉泰姆

--2.0W/CH (typical) into a 4Ω Load fnQ嘉泰姆

--1.2W/CH (typical) into a 8Ω Load fnQ嘉泰姆

„ Bridge-Tied Load (BTL) Supported fnQ嘉泰姆

„ Fully differential Input fnQ嘉泰姆

„ Shutdown Control Available fnQ嘉泰姆

„ Surface-Mount Power Package fnQ嘉泰姆

„ Over-Temperature Protection Embedded 20-Pin TSSOP-P & 20-Pin TQFN 4X4fnQ嘉泰姆

   应用范围 返回TOPfnQ嘉泰姆

„ Stereo Power Amplifiers for Notebooks or Desktop Computers fnQ嘉泰姆

„ Multimedia Monitors fnQ嘉泰姆

„ Stereo Power Amplifiers for Portable Audio SystemsfnQ嘉泰姆

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