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SGM4866

SGM4866
所属分类
音频放大器
目标应用
手机,掌上电脑,MP4,PMP便携式和台式计算机.桌面音频系统多媒体显示器

The SGM4866 is a stereo audio power amplifier that is designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1.28W ofcontinuous average power per channel into an 8Ω Bridge Tied Load (BTL) with less than 1% distortion (THD+N) from a 5V power supply.
The SGM4866 features an externally controlled, low-power consumption shutdown mode and thermal shutdown protection. It also utilizes circuitry to reduce "clicks and pops" during device turn-on.
 The SGM4866 is unity-gain stable and can be configured by external gain-setting resistors.
 The SGM4866 is available in Green TQFN-3×3-16L package. It operates over an ambient temperature range of -40°C to +85°C.

1.28W to 8Ω BTL Load from 5V Supply at THD+N = 1% Typical (per Channel)
Excellent PSRR: Direct Connection to the Battery
Unity Gain Stable
2.6V to 5.5V Operation
Shutdown Current: 0.01μA (TYP)
Improved Pop & Click Circuitry
No Output Coupling Capacitors
External Gain Configuration Capability
Thermal Shutdown Protection Circuitry
-40°С to +85°С Operating Temperature Range
Available in Green TQFN-3×3-16L Package

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