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PDF TDA1521 Data sheet ( Hoja de datos )

Número de pieza TDA1521
Descripción 2 x 12 W hi-fi audio power amplifier
Fabricantes NXP Semiconductors 
Logotipo NXP Semiconductors Logotipo



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No Preview Available ! TDA1521 Hoja de datos, Descripción, Manual

INTEGRATED CIRCUITS
DATA SHEET
TDA1521
TDA1521Q
2 x 12 W hi-fi audio power amplifier
Product specification
File under Integrated Circuits, IC01
July 1994

1 page




TDA1521 pdf
Philips Semiconductors
2 x 12 W hi-fi audio power amplifier
Product specification
TDA1521
TDA1521Q
Fig.2 Power derating curve.
THERMAL RESISTANCE
From junction to case
Rth j-c = 2,5 K/W
HEATSINK DESIGN EXAMPLE
With derating of 2,5 K/W, the value of heatsink thermal resistance is calculated as follows:
given RL = 8 and VP = ±16 V, the measured maximum dissipation is 14,6 W; then, for a maximum ambient temperature
of 65 °C, the required thermal resistance of the heatsink is
Rth h a = 1----5-1--0--4---,---6--6---5-- 2,5= 3,3 K W
Note: The internal metal block (heatsink) has the same potential as pin 5 (VP).
July 1994
5

5 Page





TDA1521 arduino
Philips Semiconductors
2 x 12 W hi-fi audio power amplifier
Product specification
TDA1521
TDA1521Q
(1) To be connected as close as possible to the IC
Fig.12 Test and application circuit; symmetrical power supply.
(1) To be connected as close as possible to the IC
Fig.13 Test and application circuit; asymmetrical power supply.
July 1994
11

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