STA541SA datasheet(8/26 Pages) STMICROELECTRONICS

Teilenummer	STA541SA

Bauteilbeschribung	2 x 20 W dual bridge amplifier

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

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Electrical specifications

STA541SA

8/26

Doc ID 16988 Rev 2

2

Electrical specifications

2.1

Absolute maximum ratings

Warning:

Stresses beyond those listed in Table 3 above may cause

permanent damage to the device. These are stress ratings

only, and functional operation of the device at these or any

other conditions beyond those indicated under

“Recommended operating conditions” are not implied.

Exposure to absolute-maximum-rated conditions for

extended periods may affect device reliability. In the real

application, power supplies with nominal values rated within

the recommended operating conditions, may rise beyond the

maximum operating conditions for a short time when no or

very low current is sunk (amplifier in mute state). In this case

the reliability of the device is guaranteed, provided that the

absolute maximum ratings are not exceeded.

2.2

Thermal data

Table 3.

Absolute maximum ratings

Symbol

Parameter

Min

Typ

Max

Unit

VS

Supply voltage idle mode (no signal)

-

24

V

Supply voltage operating

-

22

V

Supply voltage AC-DC short safe

-

20

V

Ptot

Total power dissipation (Tcase = 85 °C)

-

32

W

Tj

Junction temperature

-40

-

150

°C

Tstg

Storage temperature

-40

-

150

°C

Tamb

Ambient temperature

0

-

70

°C

Table 4.

Thermal data

Symbol

Parameter

Min

Typ

Max

Unit

Rth j-case

Thermal resistance junction-case

-

2.5

°C/W

Rth j-amb

Thermal resistance junction-ambient

-

45

°C/W

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