TA8252HQ TOSHIBA Semiconductor CORPORATION, TA8252HQ Datasheet - Page 6

• Manufacturer Part Number: TA8252HQ
• Description: Max Power 37w Btl ? 4ch Audio Power Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

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)
(A) Output (AC wave form)
(C) Clip DET. terminal
(B) Clip detector circuit
(internal)
(pin
25
)
Clip detector
Diagnosis
output
output
GND
Pin
5V
AC
DC
DC
25
: Open collector output (active low)
(C)
(A)
(B)
25
(Fig.9)
Smoothing
L.P.F.
circuit
5V
6
Volume control circuit
Tone control circuit
t
t
t
TA8252HQ
2006-04-28