TDA8920J Просмотр технического описания (PDF) - Philips Electronics

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TDA8920J

2×50 W class-D power amplifier

Philips Electronics 

Philips Semiconductors

2 × 50 W class-D power amplifier

Preliminary specification

TDA8920

LIMITING VALUES

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

SYMBOL

VDD

Vms

Vsc

IOSM

IORM

Ptot

Tstg

Tamb

Tvj

PARAMETER

supply voltage

mode select switch voltage

short-circuit voltage of output pins

non-repetitive peak output current

repetitive peak output current

total power dissipation

storage temperature

operating ambient temperature

virtual junction temperature

CONDITIONS

MIN.

−

with respect to SGND −

−

−

−

−

−55

−40

−

MAX.

±30

5.5

±30

10

7.5

60

+150

+85

150

UNIT

V

V

V

A

A

W

°C

°C

°C

THERMAL CHARACTERISTICS

SYMBOL

Rth(j-a)

Rth(j-c)

PARAMETER

thermal resistance from junction to ambient

thermal resistance from junction to case

CONDITIONS

in free air

VALUE

40

10

UNIT

K/W

K/W

QUALITY SPECIFICATION

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

SWITCHING CHARACTERISTICS

VDD = ±25 V; Tamb = 25 °C; measured in Fig.5; unless otherwise specified.

SYMBOL

PARAMETER

MIN.

fosc

oscillator frequency

400

VOSC(p-p)

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

−

TYP.

500

1.75

MAX.

600

−

UNIT

kHz

V

1998 Dec 01

6

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