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TDA1562ST Datasheet(PDF) 2 Page - NXP Semiconductors |
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TDA1562ST Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 24 page 2003 Feb 12 2 Philips Semiconductors Preliminary specification 70 W high efficiency power amplifier with diagnostic facility TDA1562Q; TDA1562ST; TDA1562SD FEATURES • Very high output power, operating from a single low supply voltage • Low power dissipation, when used for music signals • Switches to low output power at too high case temperatures • Few external components • Fixed gain • Differential inputs with high common mode rejection • Mode select pin (on, mute and standby) • Status I/O pin (class-H, class-B and fast mute) • All switching levels with hysteresis • Diagnostic pin with information about: – Dynamic Distortion Detector (DDD) – Any short-circuit at outputs – Open load detector – Temperature protection. • No switch-on or switch-off plops • Fast mute on supply voltage drops • Quick start option (e.g. car-telephony/navigation) • Low (delta) offset voltage at the outputs • Load dump protection • Short-circuit safe to ground, supply voltage and across the load • Low power dissipation in any short-circuit condition • Protected against electrostatic discharge • Thermally protected • Flexible leads. GENERAL DESCRIPTION The TDA1562 is a monolithic integrated 70 W/4 Ω Bridge-Tied Load (BTL) class-H high efficiency power amplifier in a 17 lead DIL-bent-SIL plastic power package. The device can be used for car audio systems (e.g. car radios and boosters) as well as mains fed applications (e.g. midi/mini audio combinations and TV sound). QUICK REFERENCE DATA VP = 14.4 V; RL =4 Ω; Rs =0 Ω; f = 1 kHz; Tamb =25 °C; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VP supply voltage operating; note 1 8 14.4 18 V non-operating −− 30 V load dump −− 45 V Iq quiescent current on and mute; RL = open circuit − 110 150 mA Istb standby current standby − 350 µA V OO output offset voltage on and mute −− 100 mV ∆VOO delta output offset voltage on ↔ mute −− 30 mV Gv voltage gain 25 26 27 dB Z i(dif) differential input impedance 90 150 − k Ω Po output power THD = 0.5% 45 55 − W THD = 10% 60 70 − W THD total harmonic distortion Po =1W − 0.03 − % Po =20W − 0.06 − % DDD active − 2.1 − % |
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