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Обновленно: 22.01.2010
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The LME49830 is a high fidelity audio power amplifier input
stage designed for demanding consumer and pro-audio applications.
Amplifier output power may be scaled by changing
the supply voltage and number of output devices. The
LME49830 is capable of driving an output stage in excess of
300 W single-ended into an 8 Om. load in the presence of 10%
high line headroom and 20% supply regulation.
The LME49830 includes internal thermal shut down circuitry
that activates when the LME49830 die temperature exceeds
150°C. The LME49830 has a mute function that mutes the
input drive signal and forces the amplifier output to a quiescent
state.
The LME49830 has high drive current, 56mA typical, and high
output voltage swing for maximum flexibility in output stage
choice. With a bias voltage range up to 16V the LME49830 can be used to drive MOSFET output stages using a wide selection of MOSFETs.
The LME49830 has a wide operating supply range of ±20V
to ±100V, which allows lower cost, unregulated power supplies to be used.
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