STA540 datasheet(6/23 Pages) STMICROELECTRONICS

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Electrical specifications

STA540

6/23

Electrical specifications

2.1

Absolute maximum ratings

2.2

Thermal data

2.3

Electrical characteristics

The test conditions are VS = 14.4 V, RL = 4 Ω, f = 1 kHz, Tamb = 25° C unless otherwise

specified.

Table 3.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

Supply voltage idle mode (no signal)

Supply voltage operating

Supply voltage AC-DC short safe

Ptot

Total power dissipation (Tcase = 85 °C)

Tstg, Tj Storage and junction temperature

-40 to150

°C

Top

Operating temperature

0 to 70

°C

Table 4.

Thermal data

Symbol

Parameter

Value

Unit

Rth j-case Thermal resistance junction to case (max)

1.8

°C/W

Rth j-amb Thermal resistance junction to ambient (max)

°C/W

Table 5.

Electrical characteristics

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

Supply voltage range

Total quiescent drain

current

150

Vos

Output offset voltage

-150

150

Output power, SE

THD=10%, RL=4 Ω

THD=10%, RL=2 Ω

THD=10%, RL=4 Ω, VS=22 V

6.5

11.5

Output power, BTL

THD=10%, RL=4 Ω

THD=10%, RL=8 Ω, VS=17 V

THD=10%, RL=8 Ω, VS=22 V

THD

Total harmonic distortion

RL = 4 Ω, Po = 0.1 to 4 W

0.02

ISC

Short-circuit output current

4.0

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