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2.4W Audio Power Amplifier with Shutdown Mode,SGM4871 Replace LM4991.
FEATURES

? Output Power at THD+N = 10%, 

  1kHzSGM4871YPS8: 2.4W (TYP) into 4? 

  LoadSGM4871YS8: 1.5W (TYP) into 8? Load

? Unity Gain Stable

? 2.5V to 5.5V Operation

? Shutdown Current: 0.07μA (TYP)

? Thermal Overload Protection Circuitry

No Output Coupling Capacitors, 

  BootstrapCapacitors or Snubber

  Networks Required

? External Gain Configuration Capability

? -40℃ to +85℃ Operating 

  Temperature Range

? Available in Green SOIC-8

  (Exposed Pad) andSOIC-8 Packages

PIN CONFIGUTION
優勢替代
LM4991 LM4991.pdf

No.12289

FEATURES

Available in Space-Saving WSON and SOIC Packages

Ultra Low Current Shutdown Mode

Can Drive Capacitive Loads up to 500pF

Improved Click and Pop Circuitry Reduces

   Noises During Turn-On and Turn-Off Transitions

2.2 - 5.5V Operation

No Output Coupling Capacitors, Snubber

  Networks, Bootstrap Capacitors or 

  Gain-Setting Resistors Required

Unity-Gain Stable






PIN CONFIGUTION
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