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TA8252H Datasheet(PDF) 6 Page - Toshiba Semiconductor

Part No. TA8252H
Description  Max Power 37W BTL × 4ch Audio Power IC
Download  14 Pages
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Maker  TOSHIBA [Toshiba Semiconductor]
Homepage  http://www.semicon.toshiba.co.jp/eng
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TA8252H Datasheet(HTML) 6 Page - Toshiba Semiconductor

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TA8252H
2002-10-30
6
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 Fig.9.
In case that the output waveform is clipping, the clip detection circuit is operated and NPN tr. 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 Fig.9.
In case of being unused this function, use this IC as open connection on pin(25).
(Application)
AC
(A)
(B)
(C)
t
t
t
DC
DC
5V
GND
(C) Clip DET. terminal
(pin
)
25
(B) Clip detector circuit
(internal)
(A) Output (AC wave form)
25
5V
25
Pin
: Open collector output (active low)
(Fig.9)
Clip detector
output
L.P.F.
Smoothing
circuit
Volume control circuit
Tone control circuit
Diagnosis
output


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