tb2959hq TOSHIBA Semiconductor CORPORATION, tb2959hq Datasheet - Page 9

• Manufacturer Part Number: tb2959hq
• Description: Maximum Power 47w Btl  4-ch Audio Power Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

10. AUX-Input
Therefore, the -COM can directly drive the AUX amplifier. BEEP sound or voice synthesizer signal can be
input to pin 25 directly.
The pin 25 is for input terminal of AUX amplifier. The total gain is 0dB by using of AUX amplifier.
When AUX function is not used, this pin must be connected to PRE-GND (pin 13) via a capacitor.
microcomputer
AUX-IN
IN
25
AUX AMP
Figure6 AUX-Input
-20dB
9
20dB
－20dB
OUT ()
OUT ()
TB2959HQ
2011-11-08