TDA1561Q

INTEGRATED CIRCUITS DATA SHEET TDA1561Q 2 × 23 W high efficiency car radio power amplifier Preliminary specification Supersedes data of 1997 Jun 11 File under Integrated Circuits, IC01 1997 Aug 14 Philips Semiconductors Preliminary specification 2 × 23 W high efficiency car radio power amplifier FEATURES Low dissipation due to switching from Single-Ended (SE) to Bridge-Tied Load (BTL) mode High Common Mode Rejection Ratio (CMRR) Mute/standby/operating/SE-only (mode select pin) Zero crossing mute and standby circuit Load dump protection circuit Short-circuit safe to ground, to supply voltage and across load Loudspeaker protection circuit Device switches to single-ended operation at excessive junction temperatures. QUICK REFERENCE DATA SYMBOL VP PARAMETER supply voltage CONDITIONS DC biased non operating load dump IORM Iq(tot) Istb Zi Po Gv CMRR SVRR ∆VO αcs ∆Gv repetitive peak output current total quiescent current standby current input impedance output power voltage gain common mode rejection ratio supply voltage ripple rejection DC output offset voltage channel separation channel unbalance Rs = 0 kΩ f = 1 kHz; Rs = 0 Ω f = 1 kHz; Rs = 0 Ω RL = 4 Ω; EIAJ THD 10% RL = ∞ MIN. 6.0 − − − − − − − 21 31 − 45 − 40 − GENERAL DESCRIPTION TDA1561Q The TDA1561Q is a monolithic power amplifier in a 13 lead single-in-line (SIL) plastic power package. It contains two identical 23 W amplifiers. The dissipation is minimized by switching from SE to BTL mode, only when...