February 1995

6

Philips Semiconductors

Preliminary specification

2

× 24 W BTL or 4 × 12 W single-ended car

radio power amplifier

TDA8564Q

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

supply voltage

operating

−

18

V

non-operating

−

30

V

load dump protection

45

V

AC and DC short-circuit safe voltage

−

18

V

reverse polarity

−

6

V

non-repetitive peak output current

−

6

A

repetitive peak output current

−

4

A

total power dissipation

−

60

W

storage temperature

−55

+150

°C

operating ambient temperature

−40

+85

°C

virtual junction temperature

−

150

°C

THERMAL CHARACTERISTICS

SYMBOL

PARAMETER

VALUE

UNIT

thermal resistance from junction to ambient in free air

40

K/W

thermal resistance from junction to case (see Figs 7 and 8)

1.3

K/W

Fig.7

Equivalent thermal resistance network;

BTL application.

handbook, halfpage

2.2 K/W

0.2 K/W

2.2 K/W

virtual junction

output 1

output 2

case

MEA861 - 1

Fig.8

Equivalent thermal resistance network;

single-ended application.

handbook, halfpage

3.0 K/W

0.7 K/W

3.0 K/W

virtual junction

output 1

output 2

case

3.0 K/W

0.7 K/W

3.0 K/W

output 3

output 4

MEA860 - 2

0.2 K/W