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PRELIMINARY INFORMATION
design goals and limited characterization. They may change without notice. Contact Fairchild Semiconductor for current information.
describes products that are not in full production at the time of printing. Specifications are based on
P
www.fairchildsemi.com
Features
Up to 4W/channel
Drives 8
NO-POP during power-up/power-down and mute
Internal thermal limiting circuitry
Total Harmonic Distortion < 0.1%
W
and 4
W
non-powered speakers
Applications
Multimedia PC motherboards and add-in sound cards
Companion chip to sigma-delta sound codecs
Sound Channel back-end in set-top boxes
Description
The RC5501 is a stereo power amplifier used for directly
powering speaker and headphone sets.
Block Diagram
65-5501-01
Soft Start
Thermal
Logic
SPKOUTR
SPKOUTL
SFTSTART
SPKMUTE
SPKAMPINR
SPKAMPINL
-4
-4
RC5501
RC5501
4 Watt S tereo S ound Driver
Rev. 0.9.1