(PDF) TDA1521A Datasheet - 2 x 6 W hi-fi audio power amplifier

Número de pieza	TDA1521A
Descripción	2 x 6 W hi-fi audio power amplifier
Fabricantes	NXP Semiconductors
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No Preview Available ! INTEGRATED CIRCUITS DATA SHEET TDA1521A 2 x 6 W hi-fi audio power amplifier Product speciﬁcation File under Integrated Circuits, IC01 July 1994 1 page Philips Semiconductors 2 x 6 W hi-ﬁ audio power ampliﬁer Product speciﬁcation TDA1521A Fig.2 Power derating curve. THERMAL RESISTANCE From junction to case Rth j-c = 6 K/W HEATSINK DESIGN EXAMPLE With derating of 6 K/W, the value of heatsink thermal resistance is calculated as follows: given RL = 8 Ω and VP = ± 12 V, the measured maximum dissipation is 7,8 W; then, for a maximum ambient temperature of 60 °C, the required thermal resistance of the heatsink is Rth h-a = 1----5---70---,--–-8----6---0-- – 6 = 5,5 K/W Note: The metal tab (heatsink) has the same potential as pin 5 ( − VP). July 1994 5 5 Page Philips Semiconductors 2 x 6 W hi-ﬁ audio power ampliﬁer Product speciﬁcation TDA1521A Fig.8 Output power as a function of supply voltage; asymmetrical supply; RL = 8 Ω; f = 1 kHz. Fig.9 Distortion as a function of frequency; asymmetrical supply; VS = 24 V; RL = 8 Ω; Po = 3 W. July 1994 11 11 Page

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