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封装管脚图产品描述The SGM4871 is a mono bridged audio power amplifier that is designed for portable communication device applications and demanding applications in mobile phones. SGM4871YPS8 is capable of delivering 2.4W of continuous average power to a 4Ω load with less than 10% distortion (THD) from a 5V battery voltage. It operates from 2.5V to 5.5V power supply. The SGM 4871’ s micro-power shutdown mode (I SD = 0.07μA TYP) is activated when V+ is applied to the SHDN pin. Since the SGM4871 does not require output coupling capacitors, bootstrap capacitors, or snubber networks, it is ideally suited for low-power portable systems that require minimum volume and weight. The SGM4871 is unity-gain stable and can be configured by external gain-setting resistors. Additionally, the SGM4871 features an internal thermal shutdown protection mechanism. The SGM4871 is available in Green SOIC-8 and SOIC-8 (Exposed Pad) packages. It operates over an ambient temperature range of -40 °С to + 85 °С .产品特性P O at 10% THD+N, 1kHzSGM4871YPS8: 2.4W (TYP) to 4 Ω LoadAll other SGM4871 Packages: 1.5W (TYP) to 8 Ω LoadUnity Gain Stable2.5V to 5.5V OperationShutdown Current: 0.07μA (TYP)Thermal Overload Protection CircuitryNo Output Coupling Capacitors, Bootstrap Capacitors or Snubber Networks RequiredExternal Gain Configuration Capability-40°C to + 85°C Operating Temperature RangeSmall SOIC-8 and SOIC-8 (Exposed Pad) Packages