Electrical specifications

TDA7388A

6/13

DocID14257 Rev 5

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 2), 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

s)

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

Tamb

Operative temperature range

– 40 to 105

°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

RL =

100

190

350

mA

VOS

Output offset voltage

Play mode

-

-

±100

mV

dVOS

During mute ON/OFF output

offset voltage

ITU R-ARM weighted

see Figure 11

-10

-

+10

mV

During St-By ON/OFF output

offset voltage

-50

-

+50

mV

Gv

Voltage gain

-

25

26

27

dB

Gv

Channel gain unbalance

-

-

-

±1

dB

Po

Output power

THD = 10 %; VS = 14.4 V

25

27

-

W