Electrical specifications

TDA7381

4/13

2

Electrical specifications

2.1

Absolute maximum ratings

2.2

Thermal data

2.3

Electrical characteristcs

Table 2.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

Operating supply voltage

18

V

DC supply voltage

28

V

Peak supply voltage (t = 50 ms)

50

V

Output peak current:

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

Non repetitive (t = 100

μs)

3

4

A

A

80

W

Junction temperature

150

°C

Storage temperature

-40 to 150

°C

Table 3.

Thermal data

Symbol

Parameter

Value

Unit

max.

1

°C/W

Table 4.

Electrical characteristcs

circuit (Figure 3), unless otherwise specified).

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Quiescent current

180

300

mA

Output offset voltage

100

mV

Voltage gain

25

26

27

dB

Output power

THD = 10 %

16.5

18

W

THD = 1 %

13

14

W

13.5

15

W

11

12

W

23

25

W

Max. output power (1)

28

30

W

THD

Distortion

0.04

0.3

%