Dual 145mW Headphone Amplifier with Active Low Shutdown Mode CXAR41188 The portable application requires audio power amplifierhas minimum of external components and can operate from a single 2.5V to

   产品概述 返回TOPfeO嘉泰姆

The CXAR41188 is a dual audio power amplifier capable of delivering 145mW per channel of continuous average power with less than 0.1% distortion（</span>THD）</span>when it drives a 16Ω speaker from a 5.0V power supply. It is designed to maximize audio performance in portable applications such as mobile phone. The portable application requires audio power amplifierhas minimum of external components and can operate from a single 2.5V to 5.5V power supply.feO嘉泰姆

CXAR41188 features an externally controlled, active-low, micropower consumption shutdown mode, as well as an internal thermal shutdown protection mechanism.feO嘉泰姆

CXAR41188 does not require bootstrap capacitors or snubber networks. It is optimally suited for low-power portable systems.feO嘉泰姆

For maximum flexibility, the CXAR41188 provides an externally controlled gain (with resistors), as well as an externally controlled turn-on time (with the bypass capacitor).feO嘉泰姆

The CXAR41188 is available in Green TDFN-2×2-8L package. It operates over an ambient temperature range of -40℃</span> to +85℃</span>.feO嘉泰姆

   产品特点 返回TOPfeO嘉泰姆

   • Active-Low Shutdown Mode
• 145mW into 16Ω Load from 5V Power Supply at
    THD+N = 0.1% Typical (per Channel)
• 85mW into 32Ω Load from 5V Power Supply at
    THD+N = 0.1% Typical (per Channel)
• Unity Gain Stable
• Shutdown Current: 0.02μA (TYP)
• 2.5V to 5.5V Operation
• Shutdown Pin is Compatible with 1.8V Logic
• Click and Pop Reduction Circuitry
• -40℃</span> to +85℃</span> Operating Temperature Range
• Green TDFN-2×2-8L PackagefeO嘉泰姆

   应用范围 返回TOPfeO嘉泰姆

Portable Systems
Headphone Amplifier
Microphone Preamplifier
Notebook Computers
Mobile Phone
PDAs
GPSfeO嘉泰姆

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