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LM4766T-LM4766TF
Overture Audio Power Amplifier Series Dual 40-Watt Audio Power Amplifier with Mute
LM4766 Overture™
Audio Power Amplifier Series Dual 40W Audio Power
Amplifier with Mute
General DescriptionThe LM4766isa stereo audio amplifier capableof delivering
typically 40W per channel withthe non-isolated"T" package
and 30W per channel with the isolated "TF" packageof
continuous average output power intoan8Ω load with less
than 0.1% (THD+N).
The performanceof the LM4766, utilizingits Self PeakIn-
stantaneous Temperature (˚Ke) (SPiKe™) Protection Cir-
cuitry, placesitina class above discrete and hybrid amplifi-
ersby providingan inherently, dynamically protected Safe
Operating Area (SOA).
SPiKe Protection means that these
parts are safeguardedat the output against overvoltage,
undervoltage, overloads, including thermal runaway andin-
stantaneous temperature peaks.
Each amplifier within the LM4766 has an independent
smooth transition fade-in/out mute that minimizes output
pops. The IC’s extremely low noise floorat 2µV andits
extremely low THD+N valueof 0.06%at the rated power
makethe LM4766 optimumfor high-end stereo TVsor mini-
component systems.
Key Specifications THD+Nat 1kHzat2x 30W continuous average output
power into 8Ω: 0.1% (max) THD+Nat 1kHzat continuous average output powerofx 30W into 8Ω: 0.009% (typ)
Features SPiKe Protection Minimal amountof external components necessary Quiet fade-in/out mute mode Non-Isolated 15-lead TO-220 package Wide Supply Range 20V- 78V
Applications High-end stereo TVs Component stereo Compact stereo
Connection Diagram
Plastic PackageTop View
Non-Isolated TO-220 Package
Order Number LM4766T
SeeNS Package Number TA15A
Isolated TO-220 Package
Order Number LM4766TF
See NS Package Number TF15B
July 2003
LM4766
Overture
Audio
Power
Amplifier
Series
Dual
40W
Audio
Power
Amplifier
with
Mute
