TDA7381 datasheet(4/13 Pages) STMICROELECTRONICS

4 / 13 page

Electrical specifications

TDA7381

4/13

Electrical specifications

2.1

Absolute maximum ratings

2.2

Thermal data

2.3

Electrical characteristcs

Table 2.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

VCC

Operating supply voltage

VCC (DC)

DC supply voltage

VCC (pk)

Peak supply voltage (t = 50 ms)

Output peak current:

Repetitive (duty cycle 10 % at f = 10 Hz)

Non repetitive (t = 100

μs)

Ptot

Power dissipation, (Tcase = 70 °C)

Junction temperature

150

°C

Tstg

Storage temperature

-40 to 150

°C

Table 3.

Thermal data

Symbol

Parameter

Value

Unit

Rth j-case Thermal resistance junction to case

max.

°C/W

Table 4.

Electrical characteristcs

(VS = 14.4 V; f = 1 kHz; Rg = 600 Ω; RL = 4 Ω; Tamb = 25 °C; Refer to the test and application

circuit (Figure 3), unless otherwise specified).

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Iq1

Quiescent current

180

300

VOS

Output offset voltage

100

Voltage gain

Output power

THD = 10 %

16.5

THD = 1 %

THD = 10 %; VS = 13.2 V

13.5

THD = 1 %; VS = 13.2 V

Po EIAJ

EIAJ output power (1)

EIAJ (VS = 13.7 V)

Po max

Max. output power (1)

VS = 13.7 V

THD

Distortion

Po = 4 W

0.04

0.3

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