"2*3W二路输入,带电子音量控制和耳机,立体声音功率放大器
"The MC6019 is a stereo audio power amplifier
t
that drives 3 W/channel of continuous RMS power
into a 3-W load. Advanced dc volume control
minimizes external components and allows BTL
(speaker) volume control and SE (headphone)
volume control. Notebook and pocket PCs benefit
from the integrated feature set that minimizes
e x t e r n a l components w i t h o u t s a c r i f i c i n g
functionality.
To simplify design, the speaker volume level is
adjusted by applying a dc voltage to the VOLUME
Terminal, Likewise, the delta between speaker
volume and headphone volume can be adjusted
by applying a dc voltage to the SEDIFF terminal.
To avoid an unexpected high volume level through
the headphones, a third terminal, SEMAX, limits
he headphone volume level when a dc voltage is
applied. Finally, to ensure a smooth transition
between active and shutdown modes, a fade
mode ramps the volume up and down."
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