TDA7561

Electrical specifications

Doc ID 8326 Rev 6

7/27

3

Electrical specifications

3.1

Absolute maximum ratings

3.2

Thermal data

3.3

Electrical characteristics

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

Table 2.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

Vop

Operating supply voltage

18

V

VS

DC supply voltage

28

V

Vpeak

Peak supply voltage (for t = 50 ms)

50

V

VCK

CK pin voltage

6

V

VDATA

Data pin voltage

6

V

IO

Output peak current (not repetitive t = 100 ms)

8

A

IO

Output peak current (repetitive f > 10 Hz)

6

A

Ptot

Power dissipation Tcase = 70 °C

85

W

Tstg, Tj

Storage and junction 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

Power amplifier

VS

Supply voltage range

-

8

-

18

V

Id

Total quiescent drain current

-

-

150

300

mA

PO

Output power

EIAJ (VS = 13.7 V)

32

35

-

W

THD = 10%

22

25

-

W

THD = 1%

-

20

-

W

RL = 2 ; EIAJ (VS = 13.7 V)

50

55

-

W

RL = 2 ; THD 10%

32

38

-

W

RL = 2 ; THD 1%

-

30

-

W

RL = 2 ; Max. power

-

60

-

W