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TDA1565TH Arkusz danych(PDF) 2 Page - NXP Semiconductors |
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2 / 27 page 2004 Jan 27 2 Philips Semiconductors Product specification High efficiency 2 × 40 W / 2 Ω stereo car radio power amplifier TDA1565TH FEATURES • Low dissipation due to switching from Single-Ended (SE) to Bridge-Tied Load (BTL) mode • Differential inputs with high Common Mode Rejection Ratio (CMRR) • Mute, standby or operating mode selectable by pin • Load dump protection circuit • Short-circuit safe to ground; to supply voltage and across load • Loudspeaker protection circuit • Thermal protection at high junction temperature • Device switches to single-ended operation at high junction temperature • Clip detection at 2.5 % THD • Diagnostic signal indicating clipping, short-circuit protection and pre-warning of thermal protection. GENERAL DESCRIPTION The TDA1565TH is a monolithic power amplifier in a 20-lead heatsink small outline plastic package. It contains two identical 40 W amplifiers. Power dissipation is minimized by switching from SE to BTL mode only when a higher output voltage swing is needed. The device is developed primarily for car radio applications. QUICK REFERENCE DATA ORDERING INFORMATION SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VP supply voltage DC-biased 6.0 14.4 18 V non-operating −− 30 V load dump −− 45 V IORM repetitive peak output current −− 8A Iq(tot) total quiescent current RL = ∞− 95 150 mA Istb standby current − 150 µA Zi differential input impedance 90 120 150 k Ω Po output power RL =2 Ω; THD 0.5 % 25 31 − W RL =2 Ω; THD 10 % 37 40 − W RL =2 Ω; EIAJ − 60 − W Gv voltage gain 25 26 27 dB CMRR common mode rejection ratio f = 1 kHz; Rs =0 Ω− 80 − dB SVRR supply voltage ripple rejection f = 1 kHz; Rs =0 Ω 50 65 − dB ∆VO DC output offset voltage −− 100 mV αcs channel separation Rs =0 Ω; Po = 25 W 50 70 − dB ∆Gv channel unbalance −− 1dB TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION TDA1565TH HSOP20 plastic, heatsink small outline package; 20 leads; low stand-off height SOT418-3 |
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