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TDA8551T Datasheet(PDF) 2 Page - NXP Semiconductors |
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TDA8551T Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 20 page 1998 Feb 23 2 Philips Semiconductors Product specification 1 W BTL audio amplifier with digital volume control TDA8551 FEATURES • One pin digital volume control • Volume setting with UP/DOWN pulses • Flexibility in use • Few external components • Low saturation voltage of output stage • standby mode controlled by CMOS compatible levels • Low standby current • No switch-on/switch-off plops • High supply voltage ripple rejection • Protected against electrostatic discharge • Outputs short circuit safe to ground, VP and across the load • Thermally protected. GENERAL DESCRIPTION The TDA8551; TDA8551T is a one channel 1 W Bridge-Tied Load (BTL) audio power amplifier capable of delivering 1 W output power to an 8 Ω load at THD = 10% using a 5 V power supply. The circuit contains a BTL power amplifier, a digital volume control and standby/mute logic. The TDA8551T comes in an 8 pin SO package and the TDA8551 in a 8 pin DIP package. APPLICATIONS • Portable consumer products • Personal computers • Telephony. QUICK REFERENCE DATA ORDERING INFORMATION SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VP supply voltage 2.7 5 5.5 V Iq quiescent current VP =5V − 610 mA Istb standby current −− 10 µA Po output power THD = 10%; RL =8 Ω; VP = 5 V 1 1.4 − W Gv voltage gain −60 − +20 dB nvol number of volume steps − 64 − THD total harmonic distortion Po = 0.5 W − 0.15 − % SVRR supply voltage ripple rejection 48 −− dB TYPE NUMBER PACKAGE 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 |
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