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TDA7391

Electrical specifications

12

2

Electrical specifications

2.1

Absolute maximum ratings

2.2

Thermal data

2.3

Electrical characteristics

Refer to the test circuit, VS = 14.4 V; RL = 4 , f = 1 kHz, Tamb = 25 °C; unless otherwise

specified.

Table 3. Absolute maximum ratings

Symbol

Parameter

Value

Unit

VS

DC supply voltage

28

V

VOP

Operating supply voltage

18

V

VPEAK

Peak supply voltage (t = 50 ms)

50

V

IO

Output peak current repetitive (f > 10 Hz)

4.5

A

Output peak current non repetitive

6

A

Ptot

Power dissipation (Tcase = 85 °C)

43

W

Tstg, Tj

Storage and junction temperature(1)

1. A suitable heatsink/dissipation system should be used to keep Tj inside specified limits.

-40 to 150

C

Tamb

Operative ambient temperature range

-40 to 105

°C

Table 4. Thermal data

Symbol

Parameter

Value

Unit

Rth j-case Thermal resistance junction to case

Max

1.8

°C/W

Table 5. Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VS

Supply voltage range

-

8

-

18

V

Iq

Total quiescent current

-

-

60

150

mA

VOS

Output offset voltage

-

-

120

mV

ISB

Standby current

VST-BY = 1.5 V

-

-

100

A

ISBin

Standby input bias current

VST-BY = 5 V

-

-

10

A

VSBon

Standby On threshold voltage

-

-

-

1.5

V

VSBoff

Standby Off threshold voltage

-

3.5

-

-

V

ATTST-BY

Standby attenuation

-

--

90

-

dB

IM_in

Mute input bias current

VMUTE = 5 V

-

-

10

A