TDA8551T/N1,112 NXP

INTEGRATED CIRCUITS DATA SHEET TDA8551 1 W BTL audio amplifier with digital volume control Product specification 1998 Feb 23 Supersedes data of 1997 May 07NXP Semiconductors Product specification 1 W BTL audio amplifier with digital volume TDA8551 control FEATURES GENERAL DESCRIPTION One pin digital volume control The TDA8551 TDA8551T is a one channel 1 W Bridge-Tied Load (BTL) audio power amplifier capable of Volume setting with UP/DOWN pulses delivering 1 W output power to an 8 load at THD = 10% Flexibility in use using a 5 V power supply. The circuit contains a BTL Few external components power amplifier, a digital volume control and standby/mute logic. The TDA8551T comes in an 8 pin SO package and Low saturation voltage of output stage the TDA8551 in a 8 pin DIP package. Standby mode controlled by CMOS compatible levels Low standby current APPLICATIONS No switch-on/switch-off plops Portable consumer products High supply voltage ripple rejection Personal computers Protected against electrostatic discharge Telephony. Outputs short circuit safe to ground, V and across the P load Thermally protected. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT V supply voltage 2.7 5 5.5 V P I quiescent current V =5V 610 mA q P I standby current 10 A stb P output power THD = 10% R =8 V =5 V 1 1.4 W o L P G voltage gain 60 +20 dB v n number of volume steps 64 vol THD total harmonic distortion P =0.5W 0.15 % o SVRR supply voltage ripple rejection 48 dB ORDERING INFORMATION PACKAGE TYPE NUMBER NAME DESCRIPTION VERSION TDA8551T SO8 plastic small outline package 8 leads body width 3.9 mm SOT96-1 TDA8551 DIP8 plastic dual in-line package 8 leads (300 mil) SOT97-1 1998 Feb 23 2