LM4991MA/NOPB
Audio Amp Speaker 1-CH Mono 1.5W Class-AB 8-Pin SOIC Tube

From NATIONAL SEMICONDUCTOR

Audio Amplifier FunctionSpeaker
Audio Amplifier Output Configuration1-Channel Mono
Dual Supply Voltage (Max)Not Required(V)
Dual Supply Voltage (Min)Not Required(V)
Dual Supply Voltage (Typ)Not Required(V)
Input Signal TypeSINGLE
Maximum Load Resistance8
MountingSurface Mount
Operating Temp Range-40C to 85C
Operating Temperature ClassificationIndustrial
Operational ClassClass-AB
Output Power (Typ)1.5x1(W)
Output Signal TypeDIFFERENTIAL
Package TypeSOIC
PackagingRail/Tube
Pin Count8
Power Supply Rejection Ratio64(dB)
Power Supply RequirementSingle
Rad HardenedNo
Rail/Rail I/O TypeNo
Single Supply Voltage (Max)5.5(V)
Single Supply Voltage (Min)2.2(V)
Single Supply Voltage (Typ)3/5(V)
Total Harmonic Distortion0.2%@8OHM@0.5W

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