Electrical specifications

TDA7385

6/17

Doc ID 8160 Rev 6

2

Electrical specifications

2.1

Absolute maximum ratings

2.2

Thermal data

2.3

Electrical characteristics

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

diagram (Figure 3), unless otherwise specified.

Table 2.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

VS

Operating supply voltage

18

V

VS (DC)

DC supply voltage

28

V

VS (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 µs)

4.5

5.5

A

A

Ptot

Power dissipation, (Tcase = 70 °C)

80

W

Tj

Junction temperature

150

C

Tstg

Storage temperature

– 55 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 characteristics

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%

THD = 1%

THD = 10%; VS = 13.2 V

THD = 1%;

VS = 13.2 V

21

16.5

17

14

23

19

20

16

-W

Po max.

Max. output power (1)

VS = 14.4 V

33

35

-

W

VS = 15.2 V

-

42

-

W

THD

Distortion

Po = 4 W

-

0.04

0.3

%