Electrical specifications

TDA7381

6/15

Doc ID 4947 Rev 8

2

Electrical specifications

2.1

Absolute maximum ratings

2.2

Thermal data

2.3

Electrical characteristcs

VS = 14.4 V; f = 1 kHz; Rg = 600 ; RL = 4 ; Tamb = 25 °C;

Refer to the test and application circuit (Figure 3), unless otherwise specified.

Table 2.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

VCC

Operating supply voltage

18

V

VCC (DC)

DC supply voltage

28

V

VCC (pk)

Peak supply voltage (t = 50 ms)

50

V

IO

Output peak current:

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

Non repetitive (t = 100

s)

3

4

A

A

Ptot

Power dissipation, (Tcase = 70 °C)

80

W

Tj

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.

1

°C/W

Table 4.

Electrical characteristcs

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Iq1

Quiescent current

-

-

180

300

mA

VOS

Output offset voltage

-

-

-

100

mV

Gv

Voltage gain

-

25

26

27

dB

Po

Output power

THD = 10 %

16.5

18

-

W

THD = 1 %

13

14

-

W

THD = 10 %; VS = 13.2 V

13.5

15

-

W

THD = 1 %; VS = 13.2 V

11

12

-

W

Po EIAJ

EIAJ output power (1)

EIAJ (VS = 13.7 V)

23

25

-

W

Po max

Max. output power (1)

VS = 13.7 V

28

30

-

W