1998 Dec 01

6

Philips Semiconductors

Preliminary specification

2

× 50 W class-D power amplifier

TDA8920

LIMITING VALUES

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

THERMAL CHARACTERISTICS

QUALITY SPECIFICATION

Quality according to

“SNW-FQ-611-part E”, if this type is used as an audio amplifier.

SWITCHING CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

supply voltage

−±30

V

mode select switch voltage

with respect to SGND

−

5.5

V

short-circuit voltage of output pins

−±30

V

non-repetitive peak output current

−

10

A

repetitive peak output current

−

7.5

A

total power dissipation

−

60

W

storage temperature

−55

+150

°C

operating ambient temperature

−40

+85

°C

virtual junction temperature

−

150

°C

SYMBOL

PARAMETER

CONDITIONS

VALUE

UNIT

thermal resistance from junction to ambient

in free air

40

K/W

thermal resistance from junction to case

10

K/W

SYMBOL

PARAMETER

MIN.

TYP.

MAX.

UNIT

oscillator frequency

400

500

600

kHz

voltage at tracking point (peak-to-peak value)

−

1.75

−

V