TA8261AH 데이터 시트보기 (PDF) - Toshiba
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TA8261AH Datasheet PDF : 16 Pages
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TA8261AH
6. Output clip detection function (pin 25)
The output clip detection terminal of pin 25 has the open collector output structure on chip as shown in
Figure 11. In case that the output waveform is clipping, the clip detection circuit is operated and NPN Tr.
(Q2) is turned on.
It is possible to improve the audio quality with controlling the volume, tone control circuit through L.P.F.
smoothing circuit as shown in Figure 11.
In case of being unused this function, use this IC as open connection on pin 25.
(Application)
pin 25: Open collector output (active low)
Figure 11
(A) Output (AC wave form)
(B) Clip detector circuit (internal)
(C) Clip DET. terminal (pin 25)
*: Actually, the waveform is solid line because the output offset voltage detection, which is a kind of the self
diagnosis, has priority.
Figure 12 Clip detection
8
2001-08-16
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