LA4550 amplifier equivalent, 2-channel af power amplifier.
* Low quiescent current.
* On-chip 2 channels permitting use in stereo and bridge
amplifier applications.
* High output.
* Minimum number of external part.
* High output.
* Minimum number of external parts required.
(9 pcs. munimum)
* Good ripple rejection (at st.
of External Parts
C1 (C2) : Feedback capacitor. The low cutoff frequency is determined by the following formula.
fL=
1 2πC1Rf
Rf : Feedback resistor fL : Low cutoff frequency
Since this capacitor as well as decoupling capacitor affects the start.
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