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TDA1514A bảng dữ liệu(PDF) 2 Page - NXP Semiconductors |
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2 / 10 page May 1992 2 Philips Semiconductors Product specification 50 W high performance hi-fi amplifier TDA1514A GENERAL DESCRIPTION The TDA1514A integrated circuit is a hi-fi power amplifier for use as a building block in radio, tv and other audio applications. The high performance of the IC meets the requirements of digital sources (e.g. Compact Disc equipment). The circuit is totally protected, the two output transistors both having thermal and SOAR protection (see Fig.3). The circuit also has a mute function that can be arranged for a period after power-on with a delay time fixed by external components. The device is intended for symmetrical power supplies but an asymmetrical supply may also be used. Features • High output power • Low harmonic distortion • Low intermodulation distortion • Low offset voltage • Good ripple rejection • Mute/stand-by facilities • Thermal protection • Protected against electrostatic discharge • No switch-on or switch-off clicks • Very low thermal resistance • Safe Operating Area (SOAR) protection. QUICK REFERENCE DATA PACKAGE OUTLINE 9-lead SIL, plastic power (SOT131R); SOT131-2; 1996 July 19. PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT Supply voltage range (pin 6 to pin 4) VP ± 10 −± 30 V Total quiescent current VP = ± 27.5 V Itot − 56 − mA Output power THD = −60 dB; VP = ± 27.5 V; RL = 8 Ω Po − 40 − W VP = ± 23 V; RL = 4 Ω Po − 48 − W Closed loop voltage gain determined externally Gc − 30 − dB Input resistance determined externally Ri − 20 − k Ω Signal plus noise-to-noise ratio Po = 50 mW (S +N)/N − 83 − dB Supply voltage ripple rejection f = 100 Hz SVRR − 64 − dB |
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