1.1 Watt Audio Power Amplifier, BL6281 Replace LM4990.
FEATURES

• Improved PSRR at 217 Hz & 1 KHz 60 dB 

• Power output at 5.0V, 1% THD+N, 8Ω 1.1 W (typ.) 

• Ultra low shutdown current 0.1μA (typ.) 

• 2.2V – 5.5V operation 

• Improved circuitry eliminates pop-click noise

  during turn-on and turn-off transitions

• No output coupling capacitors, snubber 

   networks or bootstrap capacitors required

• Unity-gain stable 

• External gain configuration capability 

• Packages: MSOP8、SOP8 

PIN CONFIGUTION
CROSS
LM4990 LM4990.pdf

No.12085

FEATURES

• Available in Space-Saving Packages: WSON, Exposed-DAP

   MSOP-PowerPAD, VSSOP, and DSBGA

• Ultra Low Current Shutdown Mode

• Improved Click and Pop Circuitry Eliminates 

   Noise During Turn-On and Turn-Off Transitions

• 2.2 - 5.5V Operation

• No Output Coupling Capacitors, Snubber Networks 

   or Bootstrap Capacitors Required

• Unity-Gain Stable

• External Gain Configuration Capability

• User Selectable Shutdown High or Low Logic Level

PIN CONFIGUTION
Site Map